[INFO] cloning repository https://github.com/phreaknik/isprime-flt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phreaknik/isprime-flt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fisprime-flt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fisprime-flt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8eba0df6dbe194dedd1183929756e0e8ef6f2e4
[INFO] checking phreaknik/isprime-flt against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fisprime-flt" "/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/phreaknik/isprime-flt on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phreaknik/isprime-flt
[INFO] finished tweaking git repo https://github.com/phreaknik/isprime-flt
[INFO] tweaked toml for git repo https://github.com/phreaknik/isprime-flt written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/phreaknik/isprime-flt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mod_exp v1.0.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5fdcd51ab5c6d11b612ea84313cb243c1b1d119d14960a3a1423787f3c413fd
[INFO] running `Command { std: "docker" "start" "-a" "a5fdcd51ab5c6d11b612ea84313cb243c1b1d119d14960a3a1423787f3c413fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5fdcd51ab5c6d11b612ea84313cb243c1b1d119d14960a3a1423787f3c413fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5fdcd51ab5c6d11b612ea84313cb243c1b1d119d14960a3a1423787f3c413fd", kill_on_drop: false }`
[INFO] [stdout] a5fdcd51ab5c6d11b612ea84313cb243c1b1d119d14960a3a1423787f3c413fd
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02e19cd21ef7a00e4dc85cc7a5e3c035e48067433ad9c021eaf09dcf64953e8a
[INFO] running `Command { std: "docker" "start" "-a" "02e19cd21ef7a00e4dc85cc7a5e3c035e48067433ad9c021eaf09dcf64953e8a", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking mod_exp v1.0.0
[INFO] [stderr]     Checking isprime-flt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "02e19cd21ef7a00e4dc85cc7a5e3c035e48067433ad9c021eaf09dcf64953e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e19cd21ef7a00e4dc85cc7a5e3c035e48067433ad9c021eaf09dcf64953e8a", kill_on_drop: false }`
[INFO] [stdout] 02e19cd21ef7a00e4dc85cc7a5e3c035e48067433ad9c021eaf09dcf64953e8a