[INFO] fetching crate datetime 0.5.2...
[INFO] checking datetime-0.5.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate datetime 0.5.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate datetime 0.5.2 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 datetime 0.5.2
[INFO] finished tweaking crates.io crate datetime 0.5.2
[INFO] tweaked toml for crates.io crate datetime 0.5.2 written to /workspace/builds/worker-2-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 14 packages
[INFO] [stderr]       Adding iso8601 v0.3.0 (latest: v0.6.1)
[INFO] [stderr]       Adding nom v4.2.3 (latest: v7.1.3)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.4)
[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 iso8601 v0.3.0
[INFO] [stderr]   Downloaded locale v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8b078435543f8d4d4754ab72be359736ffde90708e76fb5db073770e86f755e3
[INFO] running `Command { std: "docker" "start" "-a" "8b078435543f8d4d4754ab72be359736ffde90708e76fb5db073770e86f755e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b078435543f8d4d4754ab72be359736ffde90708e76fb5db073770e86f755e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b078435543f8d4d4754ab72be359736ffde90708e76fb5db073770e86f755e3", kill_on_drop: false }`
[INFO] [stdout] 8b078435543f8d4d4754ab72be359736ffde90708e76fb5db073770e86f755e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f03cf690e8e60f1a5db15aed8bb039dbde24a371ab28ef749e8c4669f8c043dd
[INFO] running `Command { std: "docker" "start" "-a" "f03cf690e8e60f1a5db15aed8bb039dbde24a371ab28ef749e8c4669f8c043dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking locale v0.2.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking iso8601 v0.3.0
[INFO] [stderr]     Checking datetime v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `locale` is imported redundantly
[INFO] [stdout]   --> src/cal/fmt/custom.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use locale;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:26
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[cfg(feature="format")] extern crate locale;
[INFO] [stdout]    |                          -------------------- the item `locale` is already imported here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | #![warn(unused)]
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `iso8601` is imported redundantly
[INFO] [stdout]   --> src/cal/parse.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use iso8601;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(feature="parse")]  extern crate iso8601;
[INFO] [stdout]    |                          --------------------- the item `iso8601` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `locale` is imported redundantly
[INFO] [stdout]   --> src/cal/fmt/custom.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use locale;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:26
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[cfg(feature="format")] extern crate locale;
[INFO] [stdout]    |                          -------------------- the item `locale` is already imported here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | #![warn(unused)]
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `iso8601` is imported redundantly
[INFO] [stdout]   --> src/cal/parse.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use iso8601;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(feature="parse")]  extern crate iso8601;
[INFO] [stdout]    |                          --------------------- the item `iso8601` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Surroundings` is imported redundantly
[INFO] [stdout]    --> src/cal/zone.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 398 |     use super::*;
[INFO] [stdout]     |         -------- the item `Surroundings` is already imported here
[INFO] [stdout] 399 |     use super::Surroundings;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]    --> src/cal/zone.rs:400:9
[INFO] [stdout]     |
[INFO] [stdout] 398 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cow` is already imported here
[INFO] [stdout] 399 |     use super::Surroundings;
[INFO] [stdout] 400 |     use std::borrow::Cow;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trivial numeric cast: `i64` as `i64`
[INFO] [stdout]   --> src/system.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |     (tv.tv_sec as i64, (tv.tv_nsec / 1000) as i16)
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: cast can be replaced by coercion; this might require a temporary variable
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![warn(trivial_numeric_casts)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `time_zone` is never read
[INFO] [stdout]    --> src/cal/zone.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 324 | pub struct ZonedDateTime<'a> {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 327 |     time_zone: TimeZoneSource<'a>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ZonedDateTime` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trivial numeric cast: `i64` as `i64`
[INFO] [stdout]   --> src/system.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |     (tv.tv_sec as i64, (tv.tv_nsec / 1000) as i16)
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: cast can be replaced by coercion; this might require a temporary variable
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![warn(trivial_numeric_casts)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/system.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub unsafe fn sys_time() -> (i64, i16) {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | #![warn(unreachable_pub)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `time_zone` is never read
[INFO] [stdout]    --> src/cal/zone.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 324 | pub struct ZonedDateTime<'a> {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 327 |     time_zone: TimeZoneSource<'a>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ZonedDateTime` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/system.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub unsafe fn sys_time() -> (i64, i16) {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | #![warn(unreachable_pub)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: iso8601 v0.3.0, nom v4.2.3
[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" "f03cf690e8e60f1a5db15aed8bb039dbde24a371ab28ef749e8c4669f8c043dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03cf690e8e60f1a5db15aed8bb039dbde24a371ab28ef749e8c4669f8c043dd", kill_on_drop: false }`
[INFO] [stdout] f03cf690e8e60f1a5db15aed8bb039dbde24a371ab28ef749e8c4669f8c043dd