[INFO] fetching crate zc 0.4.0...
[INFO] checking zc-0.4.0 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate zc 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate zc 0.4.0 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 zc 0.4.0
[INFO] finished tweaking crates.io crate zc 0.4.0
[INFO] tweaked toml for crates.io crate zc 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate zc 0.4.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.38
[INFO] [stderr]   Downloaded zc-derive v0.4.0
[INFO] [stderr]   Downloaded dangerous v0.8.0
[INFO] [stderr]   Downloaded aliasable v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b6efd7703afac1faef79d9319ab78b8dd23af8f76e607b302be611d92e3e010b
[INFO] running `Command { std: "docker" "start" "-a" "b6efd7703afac1faef79d9319ab78b8dd23af8f76e607b302be611d92e3e010b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6efd7703afac1faef79d9319ab78b8dd23af8f76e607b302be611d92e3e010b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6efd7703afac1faef79d9319ab78b8dd23af8f76e607b302be611d92e3e010b", kill_on_drop: false }`
[INFO] [stdout] b6efd7703afac1faef79d9319ab78b8dd23af8f76e607b302be611d92e3e010b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9b50265e73de48a3ad9853720032eb9efbdc69496404c7470b6ce992342f5442
[INFO] running `Command { std: "docker" "start" "-a" "9b50265e73de48a3ad9853720032eb9efbdc69496404c7470b6ce992342f5442", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking dangerous v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling zc-derive v0.4.0
[INFO] [stderr]     Checking zc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.120
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.19s
[INFO] running `Command { std: "docker" "inspect" "9b50265e73de48a3ad9853720032eb9efbdc69496404c7470b6ce992342f5442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b50265e73de48a3ad9853720032eb9efbdc69496404c7470b6ce992342f5442", kill_on_drop: false }`
[INFO] [stdout] 9b50265e73de48a3ad9853720032eb9efbdc69496404c7470b6ce992342f5442