[INFO] fetching crate build-fs-tree 0.3.0...
[INFO] checking build-fs-tree-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate build-fs-tree 0.3.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate build-fs-tree 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate build-fs-tree 0.3.0
[INFO] finished tweaking crates.io crate build-fs-tree 0.3.0
[INFO] tweaked toml for crates.io crate build-fs-tree 0.3.0 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate build-fs-tree 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 pipe-trait v0.2.1
[INFO] [stderr]   Downloaded structopt-utilities v0.0.8
[INFO] [stderr]   Downloaded pipe-trait v0.3.2
[INFO] [stderr]   Downloaded text-block-macros v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bafbb266e43aec18948477f5e9a0412b72af3f617b566f1475d383adf00cc56
[INFO] running `Command { std: "docker" "start" "-a" "8bafbb266e43aec18948477f5e9a0412b72af3f617b566f1475d383adf00cc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bafbb266e43aec18948477f5e9a0412b72af3f617b566f1475d383adf00cc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bafbb266e43aec18948477f5e9a0412b72af3f617b566f1475d383adf00cc56", kill_on_drop: false }`
[INFO] [stdout] 8bafbb266e43aec18948477f5e9a0412b72af3f617b566f1475d383adf00cc56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2184316461dcc9de191784f502922c819b2fc0681c48f42ab5a69fefe8bd18ee
[INFO] running `Command { std: "docker" "start" "-a" "2184316461dcc9de191784f502922c819b2fc0681c48f42ab5a69fefe8bd18ee", 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]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking text-block-macros v0.1.1
[INFO] [stderr]     Checking pipe-trait v0.3.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking build-fs-tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.82s
[INFO] running `Command { std: "docker" "inspect" "2184316461dcc9de191784f502922c819b2fc0681c48f42ab5a69fefe8bd18ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2184316461dcc9de191784f502922c819b2fc0681c48f42ab5a69fefe8bd18ee", kill_on_drop: false }`
[INFO] [stdout] 2184316461dcc9de191784f502922c819b2fc0681c48f42ab5a69fefe8bd18ee
