[INFO] fetching crate tree_magic 0.2.3...
[INFO] checking tree_magic-0.2.3 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate tree_magic 0.2.3 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate tree_magic 0.2.3 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree_magic 0.2.3
[INFO] finished tweaking crates.io crate tree_magic 0.2.3
[INFO] tweaked toml for crates.io crate tree_magic 0.2.3 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate crates.io crate tree_magic 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lock_api v0.3.3
[INFO] [stderr]   Downloaded parking_lot_core v0.7.0
[INFO] [stderr]   Downloaded parking_lot v0.10.0
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0c5ff646bfe1cb6fc4b74a4d878beb163fcbecea0ddcc3ae90a09c21ff9d4d
[INFO] running `Command { std: "docker" "start" "-a" "ac0c5ff646bfe1cb6fc4b74a4d878beb163fcbecea0ddcc3ae90a09c21ff9d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0c5ff646bfe1cb6fc4b74a4d878beb163fcbecea0ddcc3ae90a09c21ff9d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0c5ff646bfe1cb6fc4b74a4d878beb163fcbecea0ddcc3ae90a09c21ff9d4d", kill_on_drop: false }`
[INFO] [stdout] ac0c5ff646bfe1cb6fc4b74a4d878beb163fcbecea0ddcc3ae90a09c21ff9d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81d13d84012742452a413490fa9ab5567ac78aa28c11d1e46629dc43b06fc0f2
[INFO] running `Command { std: "docker" "start" "-a" "81d13d84012742452a413490fa9ab5567ac78aa28c11d1e46629dc43b06fc0f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking tree_magic v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `Command { std: "docker" "inspect" "81d13d84012742452a413490fa9ab5567ac78aa28c11d1e46629dc43b06fc0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d13d84012742452a413490fa9ab5567ac78aa28c11d1e46629dc43b06fc0f2", kill_on_drop: false }`
[INFO] [stdout] 81d13d84012742452a413490fa9ab5567ac78aa28c11d1e46629dc43b06fc0f2