[INFO] fetching crate rustc-rayon-core 0.3.1...
[INFO] testing rustc-rayon-core-0.3.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate rustc-rayon-core 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustc-rayon-core 0.3.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a3c47ee6794abecdf0283dcc270129d2b031964f7221c8856b425b148c6fff4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a3c47ee6794abecdf0283dcc270129d2b031964f7221c8856b425b148c6fff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a3c47ee6794abecdf0283dcc270129d2b031964f7221c8856b425b148c6fff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3c47ee6794abecdf0283dcc270129d2b031964f7221c8856b425b148c6fff4", kill_on_drop: false }`
[INFO] [stdout] 6a3c47ee6794abecdf0283dcc270129d2b031964f7221c8856b425b148c6fff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 98b361462dc594dc66a8c57dca3b385a66a635bc43204dc6a68aed66277bf97b
[INFO] running `Command { std: "docker" "start" "-a" "98b361462dc594dc66a8c57dca3b385a66a635bc43204dc6a68aed66277bf97b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "98b361462dc594dc66a8c57dca3b385a66a635bc43204dc6a68aed66277bf97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b361462dc594dc66a8c57dca3b385a66a635bc43204dc6a68aed66277bf97b", kill_on_drop: false }`
[INFO] [stdout] 98b361462dc594dc66a8c57dca3b385a66a635bc43204dc6a68aed66277bf97b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 375110e4c0da9be42c45e15365724546422e6e176ae6a99e4e7f390d9bef983b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "375110e4c0da9be42c45e15365724546422e6e176ae6a99e4e7f390d9bef983b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[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]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1 (/opt/rustwide/workdir)
[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[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-rayon-core` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[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[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] [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: 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[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] 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] [stdout] error: aborting due to previous error; 1 warning emitted
[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] [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] 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" "375110e4c0da9be42c45e15365724546422e6e176ae6a99e4e7f390d9bef983b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375110e4c0da9be42c45e15365724546422e6e176ae6a99e4e7f390d9bef983b", kill_on_drop: false }`
[INFO] [stdout] 375110e4c0da9be42c45e15365724546422e6e176ae6a99e4e7f390d9bef983b