[INFO] updating cached repository https://github.com/dckc/snakes-ladders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fea15b696ffd3eabcea308a679d6f857a29588f7
[INFO] testing dckc/snakes-ladders against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdckc%2Fsnakes-ladders" "/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/dckc/snakes-ladders on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dckc/snakes-ladders
[INFO] finished tweaking git repo https://github.com/dckc/snakes-ladders
[INFO] tweaked toml for git repo https://github.com/dckc/snakes-ladders written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dckc/snakes-ladders already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa41eb34089f158754d8714739337587834d8214323b0b4ecee3fbcdb26e1465
[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" "fa41eb34089f158754d8714739337587834d8214323b0b4ecee3fbcdb26e1465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa41eb34089f158754d8714739337587834d8214323b0b4ecee3fbcdb26e1465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa41eb34089f158754d8714739337587834d8214323b0b4ecee3fbcdb26e1465", kill_on_drop: false }`
[INFO] [stdout] fa41eb34089f158754d8714739337587834d8214323b0b4ecee3fbcdb26e1465
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 7064127d45bb940ba82f0f5f5414ef6ee3abc04ea10b2e16ea59d337e7d087e1
[INFO] running `Command { std: "docker" "start" "-a" "7064127d45bb940ba82f0f5f5414ef6ee3abc04ea10b2e16ea59d337e7d087e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling assign4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "7064127d45bb940ba82f0f5f5414ef6ee3abc04ea10b2e16ea59d337e7d087e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7064127d45bb940ba82f0f5f5414ef6ee3abc04ea10b2e16ea59d337e7d087e1", kill_on_drop: false }`
[INFO] [stdout] 7064127d45bb940ba82f0f5f5414ef6ee3abc04ea10b2e16ea59d337e7d087e1
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b083c63f42e8a3ed695e28ad519e2f042a9110a1253ed48652edf5792a04f40f
[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" "b083c63f42e8a3ed695e28ad519e2f042a9110a1253ed48652edf5792a04f40f", kill_on_drop: false }`
[INFO] [stderr]    Compiling assign4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "b083c63f42e8a3ed695e28ad519e2f042a9110a1253ed48652edf5792a04f40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b083c63f42e8a3ed695e28ad519e2f042a9110a1253ed48652edf5792a04f40f", kill_on_drop: false }`
[INFO] [stdout] b083c63f42e8a3ed695e28ad519e2f042a9110a1253ed48652edf5792a04f40f
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] f2b026e33c9611da25b75c79cc69265ee112a581d27d20f0fe2d811d9886163b
[INFO] running `Command { std: "docker" "start" "-a" "f2b026e33c9611da25b75c79cc69265ee112a581d27d20f0fe2d811d9886163b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assign4-fdce51c0eb55c046
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::command_parse1 ... ok
[INFO] [stdout] test test::make_sample_output ... ok
[INFO] [stdout] test test::parse_sample_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2b026e33c9611da25b75c79cc69265ee112a581d27d20f0fe2d811d9886163b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b026e33c9611da25b75c79cc69265ee112a581d27d20f0fe2d811d9886163b", kill_on_drop: false }`
[INFO] [stdout] f2b026e33c9611da25b75c79cc69265ee112a581d27d20f0fe2d811d9886163b