[INFO] fetching crate mathlab 0.1.1...
[INFO] testing mathlab-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mathlab 0.1.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate mathlab 0.1.1 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 crates.io crate mathlab 0.1.1
[INFO] finished tweaking crates.io crate mathlab 0.1.1
[INFO] tweaked toml for crates.io crate mathlab 0.1.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate crates.io crate mathlab 0.1.1 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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] a33e3e20759f1ed4766cd85ff052af76a5a0897506930962f42d812204a1fb1e
[INFO] running `Command { std: "docker" "start" "-a" "a33e3e20759f1ed4766cd85ff052af76a5a0897506930962f42d812204a1fb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a33e3e20759f1ed4766cd85ff052af76a5a0897506930962f42d812204a1fb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33e3e20759f1ed4766cd85ff052af76a5a0897506930962f42d812204a1fb1e", kill_on_drop: false }`
[INFO] [stdout] a33e3e20759f1ed4766cd85ff052af76a5a0897506930962f42d812204a1fb1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] fecabeb9e21f81c3abbfcb4d521aeccf41214aff38b287b6e63f3be91091de0b
[INFO] running `Command { std: "docker" "start" "-a" "fecabeb9e21f81c3abbfcb4d521aeccf41214aff38b287b6e63f3be91091de0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathlab v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "fecabeb9e21f81c3abbfcb4d521aeccf41214aff38b287b6e63f3be91091de0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecabeb9e21f81c3abbfcb4d521aeccf41214aff38b287b6e63f3be91091de0b", kill_on_drop: false }`
[INFO] [stdout] fecabeb9e21f81c3abbfcb4d521aeccf41214aff38b287b6e63f3be91091de0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 9ad3e34d1aafbdd4d78d6a40a5ba2bbfec118ae5e4ed0aaacdfd9c1e27212aec
[INFO] running `Command { std: "docker" "start" "-a" "9ad3e34d1aafbdd4d78d6a40a5ba2bbfec118ae5e4ed0aaacdfd9c1e27212aec", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathlab v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "9ad3e34d1aafbdd4d78d6a40a5ba2bbfec118ae5e4ed0aaacdfd9c1e27212aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad3e34d1aafbdd4d78d6a40a5ba2bbfec118ae5e4ed0aaacdfd9c1e27212aec", kill_on_drop: false }`
[INFO] [stdout] 9ad3e34d1aafbdd4d78d6a40a5ba2bbfec118ae5e4ed0aaacdfd9c1e27212aec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 7e5d741360bc1ba9338ff7602a55bad3c36557a12520e1afb1fe23ed1ed64256
[INFO] running `Command { std: "docker" "start" "-a" "7e5d741360bc1ba9338ff7602a55bad3c36557a12520e1afb1fe23ed1ed64256", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mathlab-d65b54fc30e30473)
[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" "7e5d741360bc1ba9338ff7602a55bad3c36557a12520e1afb1fe23ed1ed64256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5d741360bc1ba9338ff7602a55bad3c36557a12520e1afb1fe23ed1ed64256", kill_on_drop: false }`
[INFO] [stdout] 7e5d741360bc1ba9338ff7602a55bad3c36557a12520e1afb1fe23ed1ed64256