[INFO] cloning repository https://github.com/mfhorita/Rustlearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfhorita/Rustlearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfhorita%2FRustlearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfhorita%2FRustlearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b5b572af833dc6bebbedb4cda45d7a135fe2ea5
[INFO] testing mfhorita/Rustlearn against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfhorita%2FRustlearn" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfhorita/Rustlearn on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mfhorita/Rustlearn
[INFO] finished tweaking git repo https://github.com/mfhorita/Rustlearn
[INFO] tweaked toml for git repo https://github.com/mfhorita/Rustlearn written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/mfhorita/Rustlearn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dbce55d37b38621596d4f20593447f63518dcea7a30f900ab497b20889b505e
[INFO] running `Command { std: "docker" "start" "-a" "6dbce55d37b38621596d4f20593447f63518dcea7a30f900ab497b20889b505e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dbce55d37b38621596d4f20593447f63518dcea7a30f900ab497b20889b505e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbce55d37b38621596d4f20593447f63518dcea7a30f900ab497b20889b505e", kill_on_drop: false }`
[INFO] [stdout] 6dbce55d37b38621596d4f20593447f63518dcea7a30f900ab497b20889b505e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ce8171408d409f342de7cc5449809c5cc5a54c2c71b154137b6961d40246d64
[INFO] running `Command { std: "docker" "start" "-a" "7ce8171408d409f342de7cc5449809c5cc5a54c2c71b154137b6961d40246d64", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rustlearn v0.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.3.7
[INFO] [stderr]    Compiling rusty-machine v0.5.4
[INFO] [stderr]    Compiling mlearning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "7ce8171408d409f342de7cc5449809c5cc5a54c2c71b154137b6961d40246d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce8171408d409f342de7cc5449809c5cc5a54c2c71b154137b6961d40246d64", kill_on_drop: false }`
[INFO] [stdout] 7ce8171408d409f342de7cc5449809c5cc5a54c2c71b154137b6961d40246d64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b07cb3523beb7dc6cb12e7fd6b7a714dc0e009863c5e158ad393226100a3a4
[INFO] running `Command { std: "docker" "start" "-a" "66b07cb3523beb7dc6cb12e7fd6b7a714dc0e009863c5e158ad393226100a3a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mlearning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "66b07cb3523beb7dc6cb12e7fd6b7a714dc0e009863c5e158ad393226100a3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b07cb3523beb7dc6cb12e7fd6b7a714dc0e009863c5e158ad393226100a3a4", kill_on_drop: false }`
[INFO] [stdout] 66b07cb3523beb7dc6cb12e7fd6b7a714dc0e009863c5e158ad393226100a3a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e4b51a482f71c06a57c216593036b60faa7ee29c6d96b2f8a03d1c0a08c1b3b
[INFO] running `Command { std: "docker" "start" "-a" "3e4b51a482f71c06a57c216593036b60faa7ee29c6d96b2f8a03d1c0a08c1b3b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mlearning-81bcfa2479424e1d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e4b51a482f71c06a57c216593036b60faa7ee29c6d96b2f8a03d1c0a08c1b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4b51a482f71c06a57c216593036b60faa7ee29c6d96b2f8a03d1c0a08c1b3b", kill_on_drop: false }`
[INFO] [stdout] 3e4b51a482f71c06a57c216593036b60faa7ee29c6d96b2f8a03d1c0a08c1b3b