[INFO] cloning repository https://github.com/cbhuber17/rust-quadratic-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbhuber17/rust-quadratic-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbhuber17%2Frust-quadratic-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbhuber17%2Frust-quadratic-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc8ee68299ba249552966e65174270d5062beecd
[INFO] checking cbhuber17/rust-quadratic-solver/bc8ee68299ba249552966e65174270d5062beecd against master#d6c8169c186ab16a3404cd0d0866674018e8a19e for pr-129935
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbhuber17%2Frust-quadratic-solver" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbhuber17/rust-quadratic-solver on toolchain d6c8169c186ab16a3404cd0d0866674018e8a19e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cbhuber17/rust-quadratic-solver
[INFO] finished tweaking git repo https://github.com/cbhuber17/rust-quadratic-solver
[INFO] tweaked toml for git repo https://github.com/cbhuber17/rust-quadratic-solver written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cbhuber17/rust-quadratic-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f65aaaac5e073a65407c88beaaa14ac98b9e46b05511601f363854f390775732
[INFO] running `Command { std: "docker" "start" "-a" "f65aaaac5e073a65407c88beaaa14ac98b9e46b05511601f363854f390775732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f65aaaac5e073a65407c88beaaa14ac98b9e46b05511601f363854f390775732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65aaaac5e073a65407c88beaaa14ac98b9e46b05511601f363854f390775732", kill_on_drop: false }`
[INFO] [stdout] f65aaaac5e073a65407c88beaaa14ac98b9e46b05511601f363854f390775732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f49776cdcc1f73894dd3c89a51f094f7175d34a2d07973694a655bb9d7959c9
[INFO] running `Command { std: "docker" "start" "-a" "3f49776cdcc1f73894dd3c89a51f094f7175d34a2d07973694a655bb9d7959c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking rust-quadratic-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `Command { std: "docker" "inspect" "3f49776cdcc1f73894dd3c89a51f094f7175d34a2d07973694a655bb9d7959c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f49776cdcc1f73894dd3c89a51f094f7175d34a2d07973694a655bb9d7959c9", kill_on_drop: false }`
[INFO] [stdout] 3f49776cdcc1f73894dd3c89a51f094f7175d34a2d07973694a655bb9d7959c9