[INFO] fetching crate core-allocator 0.2.2...
[INFO] checking core-allocator-0.2.2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate core-allocator 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate core-allocator 0.2.2 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core-allocator 0.2.2
[INFO] finished tweaking crates.io crate core-allocator 0.2.2
[INFO] tweaked toml for crates.io crate core-allocator 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate core-allocator 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.45
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded hwloc2 v2.2.0
[INFO] [stderr]   Downloaded libc v0.2.106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d5708f7e8c3795f0c5878a3bdc84d0a7c591e42e43bce5f3324fdcd1ce2a47
[INFO] running `Command { std: "docker" "start" "-a" "20d5708f7e8c3795f0c5878a3bdc84d0a7c591e42e43bce5f3324fdcd1ce2a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d5708f7e8c3795f0c5878a3bdc84d0a7c591e42e43bce5f3324fdcd1ce2a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d5708f7e8c3795f0c5878a3bdc84d0a7c591e42e43bce5f3324fdcd1ce2a47", kill_on_drop: false }`
[INFO] [stdout] 20d5708f7e8c3795f0c5878a3bdc84d0a7c591e42e43bce5f3324fdcd1ce2a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86cd78b073feaba6c1fdc4735d8cb25ee4bc4fb247bdea477c366cfd888c18a5
[INFO] running `Command { std: "docker" "start" "-a" "86cd78b073feaba6c1fdc4735d8cb25ee4bc4fb247bdea477c366cfd888c18a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling hwloc2 v2.2.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking core-allocator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "86cd78b073feaba6c1fdc4735d8cb25ee4bc4fb247bdea477c366cfd888c18a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cd78b073feaba6c1fdc4735d8cb25ee4bc4fb247bdea477c366cfd888c18a5", kill_on_drop: false }`
[INFO] [stdout] 86cd78b073feaba6c1fdc4735d8cb25ee4bc4fb247bdea477c366cfd888c18a5
[INFO] checking core-allocator-0.2.2 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate core-allocator 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate core-allocator 0.2.2 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core-allocator 0.2.2
[INFO] finished tweaking crates.io crate core-allocator 0.2.2
[INFO] tweaked toml for crates.io crate core-allocator 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate core-allocator 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95f651e4995eed4bc565fce07fac3b76a560b6859104ef96c588b31a0b2c12f7
[INFO] running `Command { std: "docker" "start" "-a" "95f651e4995eed4bc565fce07fac3b76a560b6859104ef96c588b31a0b2c12f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f651e4995eed4bc565fce07fac3b76a560b6859104ef96c588b31a0b2c12f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f651e4995eed4bc565fce07fac3b76a560b6859104ef96c588b31a0b2c12f7", kill_on_drop: false }`
[INFO] [stdout] 95f651e4995eed4bc565fce07fac3b76a560b6859104ef96c588b31a0b2c12f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 379ecb97b61415a9e2d0b801e1ac33272b28099c2ef442f567d3e92238a6392d
[INFO] running `Command { std: "docker" "start" "-a" "379ecb97b61415a9e2d0b801e1ac33272b28099c2ef442f567d3e92238a6392d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling hwloc2 v2.2.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking core-allocator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "379ecb97b61415a9e2d0b801e1ac33272b28099c2ef442f567d3e92238a6392d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379ecb97b61415a9e2d0b801e1ac33272b28099c2ef442f567d3e92238a6392d", kill_on_drop: false }`
[INFO] [stdout] 379ecb97b61415a9e2d0b801e1ac33272b28099c2ef442f567d3e92238a6392d