[INFO] cloning repository https://github.com/wiltaylor/bldr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wiltaylor/bldr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiltaylor%2Fbldr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiltaylor%2Fbldr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f95424fb6552eb9fe33486f657e451c6fd2ae41b
[INFO] checking wiltaylor/bldr against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiltaylor%2Fbldr" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wiltaylor/bldr on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/wiltaylor/bldr
[INFO] finished tweaking git repo https://github.com/wiltaylor/bldr
[INFO] tweaked toml for git repo https://github.com/wiltaylor/bldr written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wiltaylor/bldr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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 hermit-abi v0.1.10
[INFO] [stderr]   Downloaded yaml-rust v0.4.3
[INFO] [stderr]   Downloaded linked-hash-map v0.5.2
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded proc-macro2 v1.0.10
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded serde_yaml v0.8.11
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d74531c6428259c511114aef5e507c49d65ec7088bdb94ac0a404f971c41585
[INFO] running `Command { std: "docker" "start" "-a" "8d74531c6428259c511114aef5e507c49d65ec7088bdb94ac0a404f971c41585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d74531c6428259c511114aef5e507c49d65ec7088bdb94ac0a404f971c41585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d74531c6428259c511114aef5e507c49d65ec7088bdb94ac0a404f971c41585", kill_on_drop: false }`
[INFO] [stdout] 8d74531c6428259c511114aef5e507c49d65ec7088bdb94ac0a404f971c41585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1c96ece78a7d3e237a816c3b6d31aad36e144d61a7943cff0e91ad246a65fe4
[INFO] running `Command { std: "docker" "start" "-a" "d1c96ece78a7d3e237a816c3b6d31aad36e144d61a7943cff0e91ad246a65fe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking bldr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.26s
[INFO] running `Command { std: "docker" "inspect" "d1c96ece78a7d3e237a816c3b6d31aad36e144d61a7943cff0e91ad246a65fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c96ece78a7d3e237a816c3b6d31aad36e144d61a7943cff0e91ad246a65fe4", kill_on_drop: false }`
[INFO] [stdout] d1c96ece78a7d3e237a816c3b6d31aad36e144d61a7943cff0e91ad246a65fe4