[INFO] cloning repository https://github.com/robsyme/rustalind
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robsyme/rustalind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobsyme%2Frustalind", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobsyme%2Frustalind'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 264d21ca5f12caf9ce4156f1d721874a4cd24e12
[INFO] checking robsyme/rustalind against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobsyme%2Frustalind" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robsyme/rustalind 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/robsyme/rustalind
[INFO] finished tweaking git repo https://github.com/robsyme/rustalind
[INFO] tweaked toml for git repo https://github.com/robsyme/rustalind written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/robsyme/rustalind 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c1ff522291600a5c3da70014f92c1d7b4109a79b5e1f3442cf7421a086464850
[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" "c1ff522291600a5c3da70014f92c1d7b4109a79b5e1f3442cf7421a086464850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1ff522291600a5c3da70014f92c1d7b4109a79b5e1f3442cf7421a086464850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ff522291600a5c3da70014f92c1d7b4109a79b5e1f3442cf7421a086464850", kill_on_drop: false }`
[INFO] [stdout] c1ff522291600a5c3da70014f92c1d7b4109a79b5e1f3442cf7421a086464850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd5b81da440d33db234d221a14b737aec055dc7525d00556332e5cc138db8c0d
[INFO] running `Command { std: "docker" "start" "-a" "bd5b81da440d33db234d221a14b737aec055dc7525d00556332e5cc138db8c0d", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rustalind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/seq/nuc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "bd5b81da440d33db234d221a14b737aec055dc7525d00556332e5cc138db8c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5b81da440d33db234d221a14b737aec055dc7525d00556332e5cc138db8c0d", kill_on_drop: false }`
[INFO] [stdout] bd5b81da440d33db234d221a14b737aec055dc7525d00556332e5cc138db8c0d