[INFO] cloning repository https://github.com/omaskery/derpy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omaskery/derpy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomaskery%2Fderpy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomaskery%2Fderpy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01ad0f9357368b4c7ad4e6aa05892f2b48e643f3
[INFO] checking omaskery/derpy against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomaskery%2Fderpy" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/omaskery/derpy on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/omaskery/derpy
[INFO] finished tweaking git repo https://github.com/omaskery/derpy
[INFO] tweaked toml for git repo https://github.com/omaskery/derpy written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/omaskery/derpy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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 strfmt v0.1.6
[INFO] [stderr]   Downloaded backtrace v0.3.6
[INFO] [stderr]   Downloaded serde_json v1.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e0ac10eb278410d40f4db0c49fc44c037e07d07d5735c61d89a716677444bac
[INFO] running `Command { std: "docker" "start" "-a" "9e0ac10eb278410d40f4db0c49fc44c037e07d07d5735c61d89a716677444bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e0ac10eb278410d40f4db0c49fc44c037e07d07d5735c61d89a716677444bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0ac10eb278410d40f4db0c49fc44c037e07d07d5735c61d89a716677444bac", kill_on_drop: false }`
[INFO] [stdout] 9e0ac10eb278410d40f4db0c49fc44c037e07d07d5735c61d89a716677444bac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d367387e01a68d2a74f08b55853e693ea46379e19897d33a9437cef5073174e5
[INFO] running `Command { std: "docker" "start" "-a" "d367387e01a68d2a74f08b55853e693ea46379e19897d33a9437cef5073174e5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking serde v1.0.43
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking subprocess v0.1.12
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling syn v0.13.4
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]     Checking serde_json v1.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking derpy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.92s
[INFO] running `Command { std: "docker" "inspect" "d367387e01a68d2a74f08b55853e693ea46379e19897d33a9437cef5073174e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d367387e01a68d2a74f08b55853e693ea46379e19897d33a9437cef5073174e5", kill_on_drop: false }`
[INFO] [stdout] d367387e01a68d2a74f08b55853e693ea46379e19897d33a9437cef5073174e5