[INFO] fetching crate rustc-rayon-core 0.3.1...
[INFO] checking rustc-rayon-core-0.3.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate rustc-rayon-core 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustc-rayon-core 0.3.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-rayon-core 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rustc-rayon-core 0.3.1
[INFO] tweaked toml for crates.io crate rustc-rayon-core 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e146f88bb675be92713010df15f427e6a6a5acc5a125c94703aa79b98cd5cc6
[INFO] running `Command { std: "docker" "start" "-a" "8e146f88bb675be92713010df15f427e6a6a5acc5a125c94703aa79b98cd5cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e146f88bb675be92713010df15f427e6a6a5acc5a125c94703aa79b98cd5cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e146f88bb675be92713010df15f427e6a6a5acc5a125c94703aa79b98cd5cc6", kill_on_drop: false }`
[INFO] [stdout] 8e146f88bb675be92713010df15f427e6a6a5acc5a125c94703aa79b98cd5cc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bed153d22c73c9c101f997c319c4063e49ef25b650f446354005a5792d65530a
[INFO] running `Command { std: "docker" "start" "-a" "bed153d22c73c9c101f997c319c4063e49ef25b650f446354005a5792d65530a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:722:44
[INFO] [stdout]     |
[INFO] [stdout] 722 |             ErrorKind::IOError(ref e) => e.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:731:23
[INFO] [stdout]     |
[INFO] [stdout] 731 |             _ => self.description().fmt(f),
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error[E0432]: unresolved import `rayon_core`
[INFO] [stdout]  --> tests/simple_panic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon_core::join;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `rayon_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rayon_core`
[INFO] [stdout]  --> tests/init_zero_threads.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon_core::ThreadPoolBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `rayon_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rayon_core`
[INFO] [stdout]  --> tests/double_init_fail.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon_core::ThreadPoolBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `rayon_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rayon_core`
[INFO] [stdout]  --> tests/scope_join.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rayon_core::scope(|s| {
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `rayon_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-rayon-core`
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> tests/double_init_fail.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0432]: unresolved import `rayon_core`
[INFO] [stdout]  --> tests/scoped_threadpool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon_core::ThreadPoolBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `rayon_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rayon_core`
[INFO] [stdout]  --> tests/stack_overflow_crash.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon_core::ThreadPoolBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `rayon_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:722:44
[INFO] [stdout]     |
[INFO] [stdout] 722 |             ErrorKind::IOError(ref e) => e.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:731:23
[INFO] [stdout]     |
[INFO] [stdout] 731 |             _ => self.description().fmt(f),
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bed153d22c73c9c101f997c319c4063e49ef25b650f446354005a5792d65530a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed153d22c73c9c101f997c319c4063e49ef25b650f446354005a5792d65530a", kill_on_drop: false }`
[INFO] [stdout] bed153d22c73c9c101f997c319c4063e49ef25b650f446354005a5792d65530a