[INFO] fetching crate rustrc 0.3.0...
[INFO] checking rustrc-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate rustrc 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rustrc 0.3.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustrc 0.3.0
[INFO] finished tweaking crates.io crate rustrc 0.3.0
[INFO] tweaked toml for crates.io crate rustrc 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rustrc 0.3.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrrg v0.4.0
[INFO] [stderr]   Downloaded unix_sock v0.5.0
[INFO] [stderr]   Downloaded arrrg_derive v0.4.0
[INFO] [stderr]   Downloaded shvar v0.3.0
[INFO] [stderr]   Downloaded utf8path v0.4.0
[INFO] [stderr]   Downloaded one_two_eight v0.5.0
[INFO] [stderr]   Downloaded tatl v0.7.0
[INFO] [stderr]   Downloaded prototk_derive v0.8.0
[INFO] [stderr]   Downloaded zerror v0.5.0
[INFO] [stderr]   Downloaded buffertk v0.8.0
[INFO] [stderr]   Downloaded indicio v0.5.0
[INFO] [stderr]   Downloaded biometrics v0.8.0
[INFO] [stderr]   Downloaded minimal_signals v0.3.0
[INFO] [stderr]   Downloaded prototk v0.8.0
[INFO] [stderr]   Downloaded derive_util v0.4.0
[INFO] [stderr]   Downloaded rc_conf v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbcb1651ea11c0f92cf7f1f2dcdb7566393d67504f07fc189a5d69940c79867d
[INFO] running `Command { std: "docker" "start" "-a" "bbcb1651ea11c0f92cf7f1f2dcdb7566393d67504f07fc189a5d69940c79867d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbcb1651ea11c0f92cf7f1f2dcdb7566393d67504f07fc189a5d69940c79867d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbcb1651ea11c0f92cf7f1f2dcdb7566393d67504f07fc189a5d69940c79867d", kill_on_drop: false }`
[INFO] [stdout] bbcb1651ea11c0f92cf7f1f2dcdb7566393d67504f07fc189a5d69940c79867d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c57e87f60359319b5083e552ed5e12032402a8bf1ff5507b690c75eaf923e91
[INFO] running `Command { std: "docker" "start" "-a" "1c57e87f60359319b5083e552ed5e12032402a8bf1ff5507b690c75eaf923e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling buffertk v0.8.0
[INFO] [stderr]     Checking zerror v0.5.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking utf8path v0.4.0
[INFO] [stderr]     Checking biometrics v0.8.0
[INFO] [stderr]     Checking shvar v0.3.0
[INFO] [stderr]     Checking minimal_signals v0.3.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking unix_sock v0.5.0
[INFO] [stderr]    Compiling derive_util v0.4.0
[INFO] [stderr]    Compiling prototk_derive v0.8.0
[INFO] [stderr]    Compiling arrrg_derive v0.4.0
[INFO] [stderr]     Checking arrrg v0.4.0
[INFO] [stderr]     Checking rc_conf v0.4.0
[INFO] [stderr]     Checking prototk v0.8.0
[INFO] [stderr]     Checking one_two_eight v0.5.0
[INFO] [stderr]     Checking tatl v0.7.0
[INFO] [stderr]     Checking indicio v0.5.0
[INFO] [stderr]     Checking rustrc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "1c57e87f60359319b5083e552ed5e12032402a8bf1ff5507b690c75eaf923e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c57e87f60359319b5083e552ed5e12032402a8bf1ff5507b690c75eaf923e91", kill_on_drop: false }`
[INFO] [stdout] 1c57e87f60359319b5083e552ed5e12032402a8bf1ff5507b690c75eaf923e91