[INFO] cloning repository https://github.com/yaa110/rubigo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaa110/rubigo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaa110%2Frubigo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaa110%2Frubigo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dd61a0405c1c95209a910ccac8109a7c2721149
[INFO] checking yaa110/rubigo against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaa110%2Frubigo" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaa110/rubigo on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaa110/rubigo
[INFO] finished tweaking git repo https://github.com/yaa110/rubigo
[INFO] tweaked toml for git repo https://github.com/yaa110/rubigo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yaa110/rubigo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 144cc3a27eb2c9f6f737dbde76d10ca1d2369d6696f6a460b900e5d2a22e91d4
[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" "144cc3a27eb2c9f6f737dbde76d10ca1d2369d6696f6a460b900e5d2a22e91d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "144cc3a27eb2c9f6f737dbde76d10ca1d2369d6696f6a460b900e5d2a22e91d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144cc3a27eb2c9f6f737dbde76d10ca1d2369d6696f6a460b900e5d2a22e91d4", kill_on_drop: false }`
[INFO] [stdout] 144cc3a27eb2c9f6f737dbde76d10ca1d2369d6696f6a460b900e5d2a22e91d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 447bfee0524e72bcc21b0946218d94c3a69e81897c4b1f1a54a4e9b7e9a6aeb5
[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" "447bfee0524e72bcc21b0946218d94c3a69e81897c4b1f1a54a4e9b7e9a6aeb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking git2 v0.6.11
[INFO] [stderr]     Checking rubigo v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "447bfee0524e72bcc21b0946218d94c3a69e81897c4b1f1a54a4e9b7e9a6aeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447bfee0524e72bcc21b0946218d94c3a69e81897c4b1f1a54a4e9b7e9a6aeb5", kill_on_drop: false }`
[INFO] [stdout] 447bfee0524e72bcc21b0946218d94c3a69e81897c4b1f1a54a4e9b7e9a6aeb5