[INFO] cloning repository https://github.com/msk/linealbench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msk/linealbench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsk%2Flinealbench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsk%2Flinealbench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 414b69016bbc6508548f4ecb8c90adfa405154be
[INFO] checking msk/linealbench against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsk%2Flinealbench" "/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/msk/linealbench on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/msk/linealbench
[INFO] finished tweaking git repo https://github.com/msk/linealbench
[INFO] tweaked toml for git repo https://github.com/msk/linealbench written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/msk/linealbench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/msk/lineal`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] [stderr]   Downloaded rblas v0.0.13
[INFO] [stderr]   Downloaded ndarray v0.13.1
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d622e24bce738fdd2018f94e471bbcc59738951e07de123ed3aa94613c6a2c57
[INFO] running `Command { std: "docker" "start" "-a" "d622e24bce738fdd2018f94e471bbcc59738951e07de123ed3aa94613c6a2c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d622e24bce738fdd2018f94e471bbcc59738951e07de123ed3aa94613c6a2c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d622e24bce738fdd2018f94e471bbcc59738951e07de123ed3aa94613c6a2c57", kill_on_drop: false }`
[INFO] [stdout] d622e24bce738fdd2018f94e471bbcc59738951e07de123ed3aa94613c6a2c57
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5962f57fc1f9dc02f4184ae27b70a2264ef71dad9e23f7e85f6fb4d9f7ce193
[INFO] running `Command { std: "docker" "start" "-a" "f5962f57fc1f9dc02f4184ae27b70a2264ef71dad9e23f7e85f6fb4d9f7ce193", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking regex-automata v0.1.10
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[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking lineal v0.1.0 (https://github.com/msk/lineal?rev=4d964fa#4d964fad)
[INFO] [stderr]     Checking linealbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling autocfg v0.1.8
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[INFO] [stderr]    Compiling num-traits v0.2.15
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
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[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] warning: use of deprecated struct `rand::IsaacRng`: import from rand_isaac crate instead, or use the newer Hc128Rng
[INFO] [stdout]   --> benches/vector.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::{IsaacRng, Rng, SeedableRng};
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::IsaacRng`: import from rand_isaac crate instead, or use the newer Hc128Rng
[INFO] [stdout]   --> benches/vector.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut rng: IsaacRng = SeedableRng::from_seed([0u8; 32]);
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.44s
[INFO] running `Command { std: "docker" "inspect" "f5962f57fc1f9dc02f4184ae27b70a2264ef71dad9e23f7e85f6fb4d9f7ce193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5962f57fc1f9dc02f4184ae27b70a2264ef71dad9e23f7e85f6fb4d9f7ce193", kill_on_drop: false }`
[INFO] [stdout] f5962f57fc1f9dc02f4184ae27b70a2264ef71dad9e23f7e85f6fb4d9f7ce193