[INFO] cloning repository https://github.com/retarders/yuh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/retarders/yuh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretarders%2Fyuh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretarders%2Fyuh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4aef8880ff8e370bd3636e6dff8fbac960be29f
[INFO] checking retarders/yuh against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretarders%2Fyuh" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/retarders/yuh on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/retarders/yuh
[INFO] finished tweaking git repo https://github.com/retarders/yuh
[INFO] tweaked toml for git repo https://github.com/retarders/yuh written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/retarders/yuh already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33fa9aa1b38d78802ee27627b3454969774905757710da703bd3872d60c65f5f
[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" "33fa9aa1b38d78802ee27627b3454969774905757710da703bd3872d60c65f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33fa9aa1b38d78802ee27627b3454969774905757710da703bd3872d60c65f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33fa9aa1b38d78802ee27627b3454969774905757710da703bd3872d60c65f5f", kill_on_drop: false }`
[INFO] [stdout] 33fa9aa1b38d78802ee27627b3454969774905757710da703bd3872d60c65f5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31e64a9174577dee35a845b24ddfc806d1ee74b562246a07b3493ca4beb4f243
[INFO] running `Command { std: "docker" "start" "-a" "31e64a9174577dee35a845b24ddfc806d1ee74b562246a07b3493ca4beb4f243", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking spinner v0.5.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling libssh2-sys v0.2.17
[INFO] [stderr]    Compiling libgit2-sys v0.12.6+1.0.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking spinners v1.2.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking yuh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "31e64a9174577dee35a845b24ddfc806d1ee74b562246a07b3493ca4beb4f243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e64a9174577dee35a845b24ddfc806d1ee74b562246a07b3493ca4beb4f243", kill_on_drop: false }`
[INFO] [stdout] 31e64a9174577dee35a845b24ddfc806d1ee74b562246a07b3493ca4beb4f243