[INFO] fetching crate linfa-linear 0.6.0...
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] crate linfa-linear 0.6.0 is already in cache
[INFO] checking linfa-linear-0.6.0 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] extracting crate linfa-linear 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate linfa-linear 0.6.0 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] started tweaking crates.io crate linfa-linear 0.6.0
[INFO] finished tweaking crates.io crate linfa-linear 0.6.0
[INFO] tweaked toml for crates.io crate linfa-linear 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate linfa-linear 0.6.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded lax v0.2.0
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded linfa-linalg v0.1.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.14.1
[INFO] [stderr]   Downloaded ndarray-csv v0.5.1
[INFO] [stderr]   Downloaded linfa-datasets v0.6.0
[INFO] [stderr]   Downloaded anyhow v1.0.48
[INFO] [stderr]   Downloaded slog-json v2.6.1
[INFO] [stderr]   Downloaded slog-async v2.7.0
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded slog-term v2.9.0
[INFO] [stderr]   Downloaded argmin v0.4.7
[INFO] [stderr]   Downloaded linfa v0.6.0
[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] d495995bd58d8a0898bf2a5563876c5fc46010401272db5bc7a5442031ce615e
[INFO] running `Command { std: "docker" "start" "-a" "d495995bd58d8a0898bf2a5563876c5fc46010401272db5bc7a5442031ce615e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d495995bd58d8a0898bf2a5563876c5fc46010401272db5bc7a5442031ce615e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d495995bd58d8a0898bf2a5563876c5fc46010401272db5bc7a5442031ce615e", kill_on_drop: false }`
[INFO] [stdout] d495995bd58d8a0898bf2a5563876c5fc46010401272db5bc7a5442031ce615e
[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] e7a83850868c0db71e04388c9fdfedc9efde8e2db3941089f86f2ce0b64fefb2
[INFO] running `Command { std: "docker" "start" "-a" "e7a83850868c0db71e04388c9fdfedc9efde8e2db3941089f86f2ce0b64fefb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling linfa v0.6.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking miniz_oxide v0.5.3
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[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking getrandom v0.2.7
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking approx v0.4.0
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[INFO] [stderr]     Checking slog-term v2.9.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking slog-json v2.6.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking ndarray-csv v0.5.1
[INFO] [stderr]     Checking linfa-linalg v0.1.0
[INFO] [stderr]     Checking argmin v0.4.7
[INFO] [stderr]     Checking linfa-datasets v0.6.0
[INFO] [stderr]     Checking linfa-linear v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.71s
[INFO] running `Command { std: "docker" "inspect" "e7a83850868c0db71e04388c9fdfedc9efde8e2db3941089f86f2ce0b64fefb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a83850868c0db71e04388c9fdfedc9efde8e2db3941089f86f2ce0b64fefb2", kill_on_drop: false }`
[INFO] [stdout] e7a83850868c0db71e04388c9fdfedc9efde8e2db3941089f86f2ce0b64fefb2