[INFO] fetching crate bts 0.3.0...
[INFO] checking bts-0.3.0 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate bts 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bts 0.3.0 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bts 0.3.0
[INFO] finished tweaking crates.io crate bts 0.3.0
[INFO] tweaked toml for crates.io crate bts 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate bts 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.8
[INFO] [stderr]   Downloaded proc-macro-error v0.4.8
[INFO] [stderr]   Downloaded test-case v1.0.0
[INFO] [stderr]   Downloaded dir-assert v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4837a9c1e58059771d8d43b7bc349b32a18d3e15b09ac1a69e36f90012a2450
[INFO] running `Command { std: "docker" "start" "-a" "e4837a9c1e58059771d8d43b7bc349b32a18d3e15b09ac1a69e36f90012a2450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4837a9c1e58059771d8d43b7bc349b32a18d3e15b09ac1a69e36f90012a2450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4837a9c1e58059771d8d43b7bc349b32a18d3e15b09ac1a69e36f90012a2450", kill_on_drop: false }`
[INFO] [stdout] e4837a9c1e58059771d8d43b7bc349b32a18d3e15b09ac1a69e36f90012a2450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecb8ab4908196f0d6f83f7b0a9d8d2437f11fd280598e28c5846f8d65fcffc4d
[INFO] running `Command { std: "docker" "start" "-a" "ecb8ab4908196f0d6f83f7b0a9d8d2437f11fd280598e28c5846f8d65fcffc4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking dir-assert v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking bts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.08s
[INFO] running `Command { std: "docker" "inspect" "ecb8ab4908196f0d6f83f7b0a9d8d2437f11fd280598e28c5846f8d65fcffc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb8ab4908196f0d6f83f7b0a9d8d2437f11fd280598e28c5846f8d65fcffc4d", kill_on_drop: false }`
[INFO] [stdout] ecb8ab4908196f0d6f83f7b0a9d8d2437f11fd280598e28c5846f8d65fcffc4d