[INFO] fetching crate rustrc 0.14.0...
[INFO] building rustrc-0.14.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rustrc 0.14.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rustrc 0.14.0
[INFO] finished tweaking crates.io crate rustrc 0.14.0
[INFO] tweaked toml for crates.io crate rustrc 0.14.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustrc 0.14.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustrc 0.14.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdd51e6950d82ad76ba6098ddf143d683aa321c2582cb93aa376b83fce16cb46
[INFO] running `Command { std: "docker" "start" "-a" "bdd51e6950d82ad76ba6098ddf143d683aa321c2582cb93aa376b83fce16cb46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdd51e6950d82ad76ba6098ddf143d683aa321c2582cb93aa376b83fce16cb46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd51e6950d82ad76ba6098ddf143d683aa321c2582cb93aa376b83fce16cb46", kill_on_drop: false }`
[INFO] [stdout] bdd51e6950d82ad76ba6098ddf143d683aa321c2582cb93aa376b83fce16cb46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] becd7d18f058132c16f4d35faa82c36fa3a66f1cfe2317cb96637b8dbc4b8c7e
[INFO] running `Command { std: "docker" "start" "-a" "becd7d18f058132c16f4d35faa82c36fa3a66f1cfe2317cb96637b8dbc4b8c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling buffertk v0.13.0
[INFO] [stderr]    Compiling zerror v0.8.0
[INFO] [stderr]    Compiling sig_fig_histogram v0.6.0
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling utf8path v0.9.0
[INFO] [stderr]    Compiling shvar v0.8.0
[INFO] [stderr]    Compiling minimal_signals v0.5.0
[INFO] [stderr]    Compiling biometrics v0.12.0
[INFO] [stderr]    Compiling unix_sock v0.9.0
[INFO] [stderr]    Compiling getopts v0.2.23
[INFO] [stderr]    Compiling derive_util v0.5.0
[INFO] [stderr]    Compiling prototk_derive v0.13.0
[INFO] [stderr]    Compiling arrrg_derive v0.8.0
[INFO] [stderr]    Compiling arrrg v0.8.0
[INFO] [stderr]    Compiling rc_conf v0.13.0
[INFO] [stderr]    Compiling prototk v0.13.0
[INFO] [stderr]    Compiling one_two_eight v0.10.0
[INFO] [stderr]    Compiling tatl v0.13.0
[INFO] [stderr]    Compiling indicio v0.12.0
[INFO] [stderr]    Compiling rustrc v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "becd7d18f058132c16f4d35faa82c36fa3a66f1cfe2317cb96637b8dbc4b8c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becd7d18f058132c16f4d35faa82c36fa3a66f1cfe2317cb96637b8dbc4b8c7e", kill_on_drop: false }`
[INFO] [stdout] becd7d18f058132c16f4d35faa82c36fa3a66f1cfe2317cb96637b8dbc4b8c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86881abdfd586a5d629836d4d414dd3b1e4877ddf61bcb3bf24d8ec589255635
[INFO] running `Command { std: "docker" "start" "-a" "86881abdfd586a5d629836d4d414dd3b1e4877ddf61bcb3bf24d8ec589255635", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustrc v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "86881abdfd586a5d629836d4d414dd3b1e4877ddf61bcb3bf24d8ec589255635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86881abdfd586a5d629836d4d414dd3b1e4877ddf61bcb3bf24d8ec589255635", kill_on_drop: false }`
[INFO] [stdout] 86881abdfd586a5d629836d4d414dd3b1e4877ddf61bcb3bf24d8ec589255635