[INFO] cloning repository https://github.com/crmckenzie/rust-error-libraries
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crmckenzie/rust-error-libraries" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrmckenzie%2Frust-error-libraries", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrmckenzie%2Frust-error-libraries'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 103b99038c65b9c2896b50bed24242e8975e155b
[INFO] checking crmckenzie/rust-error-libraries against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrmckenzie%2Frust-error-libraries" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crmckenzie/rust-error-libraries on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crmckenzie/rust-error-libraries
[INFO] finished tweaking git repo https://github.com/crmckenzie/rust-error-libraries
[INFO] tweaked toml for git repo https://github.com/crmckenzie/rust-error-libraries written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/crmckenzie/rust-error-libraries already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59e1069f889eb026e5fb6c1b86c2287d8126da1d7e26f6181e4c5b193976d0f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59e1069f889eb026e5fb6c1b86c2287d8126da1d7e26f6181e4c5b193976d0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e1069f889eb026e5fb6c1b86c2287d8126da1d7e26f6181e4c5b193976d0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e1069f889eb026e5fb6c1b86c2287d8126da1d7e26f6181e4c5b193976d0f6", kill_on_drop: false }`
[INFO] [stdout] 59e1069f889eb026e5fb6c1b86c2287d8126da1d7e26f6181e4c5b193976d0f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97c532a676f1e8ce862e93d9fc21fd4a4c6ecca3e54990cf74475cd975c7c624
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "97c532a676f1e8ce862e93d9fc21fd4a4c6ecca3e54990cf74475cd975c7c624", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling err-derive v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.8
[INFO] [stderr]    Compiling snafu-derive v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.8
[INFO] [stderr]     Checking snafu v0.6.0
[INFO] [stderr]     Checking errors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.06s
[INFO] running `Command { std: "docker" "inspect" "97c532a676f1e8ce862e93d9fc21fd4a4c6ecca3e54990cf74475cd975c7c624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c532a676f1e8ce862e93d9fc21fd4a4c6ecca3e54990cf74475cd975c7c624", kill_on_drop: false }`
[INFO] [stdout] 97c532a676f1e8ce862e93d9fc21fd4a4c6ecca3e54990cf74475cd975c7c624