[INFO] cloning repository https://github.com/nagashi/The-Traveling-Politician-Problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nagashi/The-Traveling-Politician-Problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagashi%2FThe-Traveling-Politician-Problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagashi%2FThe-Traveling-Politician-Problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5c59ba49ec44693bd9424d274ec7e9fd9fdf56b
[INFO] checking nagashi/The-Traveling-Politician-Problem against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagashi%2FThe-Traveling-Politician-Problem" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nagashi/The-Traveling-Politician-Problem on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nagashi/The-Traveling-Politician-Problem
[INFO] finished tweaking git repo https://github.com/nagashi/The-Traveling-Politician-Problem
[INFO] tweaked toml for git repo https://github.com/nagashi/The-Traveling-Politician-Problem written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nagashi/The-Traveling-Politician-Problem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded serde-value v0.6.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.36
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded log4rs v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d57a62922f88136776ca2d7c492819b08ff2b0697e86dd0a64c113a365a9e38
[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" "8d57a62922f88136776ca2d7c492819b08ff2b0697e86dd0a64c113a365a9e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d57a62922f88136776ca2d7c492819b08ff2b0697e86dd0a64c113a365a9e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d57a62922f88136776ca2d7c492819b08ff2b0697e86dd0a64c113a365a9e38", kill_on_drop: false }`
[INFO] [stdout] 8d57a62922f88136776ca2d7c492819b08ff2b0697e86dd0a64c113a365a9e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] d66a2339dc0219f56c445d52cc49e8f98baf30c4ed8f3f0db6c1dff93fcb5295
[INFO] running `Command { std: "docker" "start" "-a" "d66a2339dc0219f56c445d52cc49e8f98baf30c4ed8f3f0db6c1dff93fcb5295", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking log4rs v0.13.0
[INFO] [stderr]     Checking read_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.79s
[INFO] running `Command { std: "docker" "inspect" "d66a2339dc0219f56c445d52cc49e8f98baf30c4ed8f3f0db6c1dff93fcb5295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66a2339dc0219f56c445d52cc49e8f98baf30c4ed8f3f0db6c1dff93fcb5295", kill_on_drop: false }`
[INFO] [stdout] d66a2339dc0219f56c445d52cc49e8f98baf30c4ed8f3f0db6c1dff93fcb5295