[INFO] fetching crate yambler 0.2.0...
[INFO] checking yambler-0.2.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate yambler 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate yambler 0.2.0 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 yambler 0.2.0
[INFO] finished tweaking crates.io crate yambler 0.2.0
[INFO] tweaked toml for crates.io crate yambler 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate yambler 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded miniz_oxide v0.4.2
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded backtrace v0.3.50
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4898a7d7b595811f2d1c8fdc12e58d89b4f380b2fcca12ca2da9fbfa69f8407
[INFO] running `Command { std: "docker" "start" "-a" "a4898a7d7b595811f2d1c8fdc12e58d89b4f380b2fcca12ca2da9fbfa69f8407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4898a7d7b595811f2d1c8fdc12e58d89b4f380b2fcca12ca2da9fbfa69f8407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4898a7d7b595811f2d1c8fdc12e58d89b4f380b2fcca12ca2da9fbfa69f8407", kill_on_drop: false }`
[INFO] [stdout] a4898a7d7b595811f2d1c8fdc12e58d89b4f380b2fcca12ca2da9fbfa69f8407
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 340d3e51c19ae7d888ada99dd832231260662191031c47fb49cbf58e42977f98
[INFO] running `Command { std: "docker" "start" "-a" "340d3e51c19ae7d888ada99dd832231260662191031c47fb49cbf58e42977f98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking yambler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.64s
[INFO] running `Command { std: "docker" "inspect" "340d3e51c19ae7d888ada99dd832231260662191031c47fb49cbf58e42977f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340d3e51c19ae7d888ada99dd832231260662191031c47fb49cbf58e42977f98", kill_on_drop: false }`
[INFO] [stdout] 340d3e51c19ae7d888ada99dd832231260662191031c47fb49cbf58e42977f98