[INFO] fetching crate xdrgen 0.4.4...
[INFO] checking xdrgen-0.4.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate xdrgen 0.4.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate xdrgen 0.4.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xdrgen 0.4.4
[INFO] finished tweaking crates.io crate xdrgen 0.4.4
[INFO] tweaked toml for crates.io crate xdrgen 0.4.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages
[INFO] [stderr]       Adding aho-corasick v0.6.10 (latest: v1.1.3)
[INFO] [stderr]       Adding bitflags v0.9.1 (latest: v2.5.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding env_logger v0.4.3 (latest: v0.11.3)
[INFO] [stderr]       Adding error-chain v0.10.0 (latest: v0.12.4)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.4.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding memchr v1.0.2 (latest: v2.7.2)
[INFO] [stderr]       Adding nom v3.2.1 (latest: v7.1.3)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.35)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex v0.2.11 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xdr-codec v0.4.4
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 020f1347b6236d245096f7f635ea18b59256971fe894b1995c5055f753d4dcea
[INFO] running `Command { std: "docker" "start" "-a" "020f1347b6236d245096f7f635ea18b59256971fe894b1995c5055f753d4dcea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020f1347b6236d245096f7f635ea18b59256971fe894b1995c5055f753d4dcea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020f1347b6236d245096f7f635ea18b59256971fe894b1995c5055f753d4dcea", kill_on_drop: false }`
[INFO] [stdout] 020f1347b6236d245096f7f635ea18b59256971fe894b1995c5055f753d4dcea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44d9f5a3c6e9520e507ab4f7d110f47c2d955a32d1a975e374bcb317f166cc00
[INFO] running `Command { std: "docker" "start" "-a" "44d9f5a3c6e9520e507ab4f7d110f47c2d955a32d1a975e374bcb317f166cc00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking xdr-codec v0.4.4
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking xdrgen v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `quote` is imported redundantly
[INFO] [stdout]   --> src/spec/mod.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 7  | use quote::{self, ToTokens, Tokens};
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate quote;
[INFO] [stdout]    | ------------------- the item `quote` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `quote` is imported redundantly
[INFO] [stdout]   --> src/spec/mod.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 7  | use quote::{self, ToTokens, Tokens};
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate quote;
[INFO] [stdout]    | ------------------- the item `quote` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:24
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:36
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |         '0'...'7' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:191:16
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a'...'z' | 'A'...'Z' | '_' => continue,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:191:28
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a'...'z' | 'A'...'Z' | '_' => continue,
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:192:16
[INFO] [stdout]     |
[INFO] [stdout] 192 |             '0'...'9' if idx > 0 => continue,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:24
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:36
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |         '0'...'7' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:191:16
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a'...'z' | 'A'...'Z' | '_' => continue,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:191:28
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a'...'z' | 'A'...'Z' | '_' => continue,
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:192:16
[INFO] [stdout]     |
[INFO] [stdout] 192 |             '0'...'9' if idx > 0 => continue,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/spec/mod.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | / lazy_static! {
[INFO] [stdout] 61 | |     static ref KEYWORDS: HashSet<&'static str> = {
[INFO] [stdout] 62 | |         let kws = [
[INFO] [stdout] 63 | |             "abstract",    "alignof", "as", "become", "box",
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |     };
[INFO] [stdout] 78 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/spec/mod.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | / lazy_static! {
[INFO] [stdout] 61 | |     static ref KEYWORDS: HashSet<&'static str> = {
[INFO] [stdout] 62 | |         let kws = [
[INFO] [stdout] 63 | |             "abstract",    "alignof", "as", "become", "box",
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |     };
[INFO] [stdout] 78 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spec/mod.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let mut memo = match memo {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spec/mod.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let mut memo = match memo {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/spec/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         kws.into_iter().map(|x| *x).collect()
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 76 |         kws.iter().map(|x| *x).collect()
[INFO] [stdout]    |             ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 76 |         IntoIterator::into_iter(kws).map(|x| *x).collect()
[INFO] [stdout]    |         ++++++++++++++++++++++++   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/spec/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         kws.into_iter().map(|x| *x).collect()
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 76 |         kws.iter().map(|x| *x).collect()
[INFO] [stdout]    |             ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 76 |         IntoIterator::into_iter(kws).map(|x| *x).collect()
[INFO] [stdout]    |         ++++++++++++++++++++++++   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "44d9f5a3c6e9520e507ab4f7d110f47c2d955a32d1a975e374bcb317f166cc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d9f5a3c6e9520e507ab4f7d110f47c2d955a32d1a975e374bcb317f166cc00", kill_on_drop: false }`
[INFO] [stdout] 44d9f5a3c6e9520e507ab4f7d110f47c2d955a32d1a975e374bcb317f166cc00
[INFO] checking xdrgen-0.4.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate xdrgen 0.4.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate xdrgen 0.4.4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xdrgen 0.4.4
[INFO] finished tweaking crates.io crate xdrgen 0.4.4
[INFO] tweaked toml for crates.io crate xdrgen 0.4.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35625e2d38cc0daeba8cf2514659c167c1cac22c06206cd0068162733c417891
[INFO] running `Command { std: "docker" "start" "-a" "35625e2d38cc0daeba8cf2514659c167c1cac22c06206cd0068162733c417891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35625e2d38cc0daeba8cf2514659c167c1cac22c06206cd0068162733c417891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35625e2d38cc0daeba8cf2514659c167c1cac22c06206cd0068162733c417891", kill_on_drop: false }`
[INFO] [stdout] 35625e2d38cc0daeba8cf2514659c167c1cac22c06206cd0068162733c417891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bff1b3722ff74326fac0ca053e688a7d9831ff8ecab1d0dc0b4a047d913e4e20
[INFO] running `Command { std: "docker" "start" "-a" "bff1b3722ff74326fac0ca053e688a7d9831ff8ecab1d0dc0b4a047d913e4e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking xdr-codec v0.4.4
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking xdrgen v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `quote` is imported redundantly
[INFO] [stdout]   --> src/spec/mod.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 7  | use quote::{self, ToTokens, Tokens};
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate quote;
[INFO] [stdout]    | ------------------- the item `quote` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `quote` is imported redundantly
[INFO] [stdout]   --> src/spec/mod.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 7  | use quote::{self, ToTokens, Tokens};
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate quote;
[INFO] [stdout]    | ------------------- the item `quote` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:24
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:36
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |         '0'...'7' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:191:16
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a'...'z' | 'A'...'Z' | '_' => continue,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:191:28
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a'...'z' | 'A'...'Z' | '_' => continue,
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:192:16
[INFO] [stdout]     |
[INFO] [stdout] 192 |             '0'...'9' if idx > 0 => continue,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:24
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:90:36
[INFO] [stdout]    |
[INFO] [stdout] 90 |         '0'...'9' | 'A'...'F' | 'a'...'f' => true,
[INFO] [stdout]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/spec/xdr_nom.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |         '0'...'7' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:191:16
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a'...'z' | 'A'...'Z' | '_' => continue,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:191:28
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a'...'z' | 'A'...'Z' | '_' => continue,
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/spec/xdr_nom.rs:192:16
[INFO] [stdout]     |
[INFO] [stdout] 192 |             '0'...'9' if idx > 0 => continue,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/spec/mod.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / bitflags! {
[INFO] [stdout] 20 | |     pub struct Derives: u32 {
[INFO] [stdout] 21 | |         const COPY = 1 << 0;
[INFO] [stdout] 22 | |         const CLONE = 1 << 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/spec/mod.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | / lazy_static! {
[INFO] [stdout] 61 | |     static ref KEYWORDS: HashSet<&'static str> = {
[INFO] [stdout] 62 | |         let kws = [
[INFO] [stdout] 63 | |             "abstract",    "alignof", "as", "become", "box",
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |     };
[INFO] [stdout] 78 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/spec/mod.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | / lazy_static! {
[INFO] [stdout] 61 | |     static ref KEYWORDS: HashSet<&'static str> = {
[INFO] [stdout] 62 | |         let kws = [
[INFO] [stdout] 63 | |             "abstract",    "alignof", "as", "become", "box",
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |     };
[INFO] [stdout] 78 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spec/mod.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let mut memo = match memo {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/spec/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         kws.into_iter().map(|x| *x).collect()
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 76 |         kws.iter().map(|x| *x).collect()
[INFO] [stdout]    |             ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 76 |         IntoIterator::into_iter(kws).map(|x| *x).collect()
[INFO] [stdout]    |         ++++++++++++++++++++++++   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spec/mod.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let mut memo = match memo {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/spec/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         kws.into_iter().map(|x| *x).collect()
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 76 |         kws.iter().map(|x| *x).collect()
[INFO] [stdout]    |             ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 76 |         IntoIterator::into_iter(kws).map(|x| *x).collect()
[INFO] [stdout]    |         ++++++++++++++++++++++++   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "bff1b3722ff74326fac0ca053e688a7d9831ff8ecab1d0dc0b4a047d913e4e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff1b3722ff74326fac0ca053e688a7d9831ff8ecab1d0dc0b4a047d913e4e20", kill_on_drop: false }`
[INFO] [stdout] bff1b3722ff74326fac0ca053e688a7d9831ff8ecab1d0dc0b4a047d913e4e20