[INFO] fetching crate crcxx 0.3.1...
[INFO] checking crcxx-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate crcxx 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate crcxx 0.3.1 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 crcxx 0.3.1
[INFO] finished tweaking crates.io crate crcxx 0.3.1
[INFO] tweaked toml for crates.io crate crcxx 0.3.1 written to /workspace/builds/worker-6-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]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_lex v0.2.4 (latest: v0.7.0)
[INFO] [stderr]       Adding criterion v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded textwrap v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4e6f8cc07e5989d27678159d64287b23780f4e85b670c83489fb050c2dfa7fcd
[INFO] running `Command { std: "docker" "start" "-a" "4e6f8cc07e5989d27678159d64287b23780f4e85b670c83489fb050c2dfa7fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e6f8cc07e5989d27678159d64287b23780f4e85b670c83489fb050c2dfa7fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6f8cc07e5989d27678159d64287b23780f4e85b670c83489fb050c2dfa7fcd", kill_on_drop: false }`
[INFO] [stdout] 4e6f8cc07e5989d27678159d64287b23780f4e85b670c83489fb050c2dfa7fcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 06422b887d69c3af9b564cca4a63b8550a44f520d6e449ffddf4b20177f0297a
[INFO] running `Command { std: "docker" "start" "-a" "06422b887d69c3af9b564cca4a63b8550a44f520d6e449ffddf4b20177f0297a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking crcxx v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc128.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc16.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc32.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc64.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc8.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc128.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc16.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc32.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc64.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imp_crc` is imported redundantly
[INFO] [stdout]   --> src/internals/crc8.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  |   use crate::imp_crc;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internals/macros/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! imp_crc {
[INFO] [stdout] 9  | |     ($ty: ty) => {
[INFO] [stdout] 10 | |         imp_make_lut_32!($ty);
[INFO] [stdout] 11 | |         imp_make_lut_256!($ty);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- the item `imp_crc` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "06422b887d69c3af9b564cca4a63b8550a44f520d6e449ffddf4b20177f0297a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06422b887d69c3af9b564cca4a63b8550a44f520d6e449ffddf4b20177f0297a", kill_on_drop: false }`
[INFO] [stdout] 06422b887d69c3af9b564cca4a63b8550a44f520d6e449ffddf4b20177f0297a