[INFO] cloning repository https://github.com/flosse/rust-nixos-sendmail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flosse/rust-nixos-sendmail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflosse%2Frust-nixos-sendmail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflosse%2Frust-nixos-sendmail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c1bd8d6b29cdd43c2643d719b3edba61198cffd
[INFO] checking flosse/rust-nixos-sendmail against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflosse%2Frust-nixos-sendmail" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flosse/rust-nixos-sendmail on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flosse/rust-nixos-sendmail
[INFO] finished tweaking git repo https://github.com/flosse/rust-nixos-sendmail
[INFO] tweaked toml for git repo https://github.com/flosse/rust-nixos-sendmail written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/flosse/rust-nixos-sendmail already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded redox_syscall v0.1.18
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded time v0.1.37
[INFO] [stderr]   Downloaded num v0.1.39
[INFO] [stderr]   Downloaded num-traits v0.1.39
[INFO] [stderr]   Downloaded libc v0.2.24
[INFO] [stderr]   Downloaded chrono v0.3.1
[INFO] [stderr]   Downloaded quoted_printable v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e04c8813ea81e9918ae92dca1cb35dfacf517b5c3fb96a8bd1c5dbbfd0e2574d
[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" "e04c8813ea81e9918ae92dca1cb35dfacf517b5c3fb96a8bd1c5dbbfd0e2574d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e04c8813ea81e9918ae92dca1cb35dfacf517b5c3fb96a8bd1c5dbbfd0e2574d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04c8813ea81e9918ae92dca1cb35dfacf517b5c3fb96a8bd1c5dbbfd0e2574d", kill_on_drop: false }`
[INFO] [stdout] e04c8813ea81e9918ae92dca1cb35dfacf517b5c3fb96a8bd1c5dbbfd0e2574d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7943be6707b54b6d5f20f8190b2212f74822334e636efe2d41d430d403cc3d
[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" "8d7943be6707b54b6d5f20f8190b2212f74822334e636efe2d41d430d403cc3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking quoted_printable v0.3.0
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking chrono v0.3.1
[INFO] [stderr]     Checking rust-nixos-sendmail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "8d7943be6707b54b6d5f20f8190b2212f74822334e636efe2d41d430d403cc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7943be6707b54b6d5f20f8190b2212f74822334e636efe2d41d430d403cc3d", kill_on_drop: false }`
[INFO] [stdout] 8d7943be6707b54b6d5f20f8190b2212f74822334e636efe2d41d430d403cc3d