[INFO] cloning repository https://github.com/ykonomi/sierpinski-triangle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ykonomi/sierpinski-triangle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykonomi%2Fsierpinski-triangle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykonomi%2Fsierpinski-triangle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bc63711b01eb11737c7cf3baa083aecf63f91de
[INFO] testing ykonomi/sierpinski-triangle against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykonomi%2Fsierpinski-triangle" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ykonomi/sierpinski-triangle on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ykonomi/sierpinski-triangle
[INFO] finished tweaking git repo https://github.com/ykonomi/sierpinski-triangle
[INFO] tweaked toml for git repo https://github.com/ykonomi/sierpinski-triangle written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ykonomi/sierpinski-triangle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a3d855bf10d6f0c45e949ed4a04925ad4bf6746a7716d1493505730ac6c0684
[INFO] running `Command { std: "docker" "start" "-a" "6a3d855bf10d6f0c45e949ed4a04925ad4bf6746a7716d1493505730ac6c0684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a3d855bf10d6f0c45e949ed4a04925ad4bf6746a7716d1493505730ac6c0684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3d855bf10d6f0c45e949ed4a04925ad4bf6746a7716d1493505730ac6c0684", kill_on_drop: false }`
[INFO] [stdout] 6a3d855bf10d6f0c45e949ed4a04925ad4bf6746a7716d1493505730ac6c0684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75dfdaac6b0808071eb3fd57e89a9d8f5e1ede109207e426f82e3c88414aba87
[INFO] running `Command { std: "docker" "start" "-a" "75dfdaac6b0808071eb3fd57e89a9d8f5e1ede109207e426f82e3c88414aba87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.43
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling bumpalo v2.4.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.43
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.43
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.43
[INFO] [stderr]    Compiling sierpinski-triangle-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand_os::rand_core::RngCore`
[INFO] [stdout]  --> src/sierpinski_generator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand_os::rand_core::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_os::OsRng`
[INFO] [stdout]  --> src/sierpinski_generator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand_os::OsRng;
[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 34.58s
[INFO] running `Command { std: "docker" "inspect" "75dfdaac6b0808071eb3fd57e89a9d8f5e1ede109207e426f82e3c88414aba87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75dfdaac6b0808071eb3fd57e89a9d8f5e1ede109207e426f82e3c88414aba87", kill_on_drop: false }`
[INFO] [stdout] 75dfdaac6b0808071eb3fd57e89a9d8f5e1ede109207e426f82e3c88414aba87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a4c921d29ab21d561c3ad76504fb4cbcfc2c10597e5879c9cc5910aad11ce53
[INFO] running `Command { std: "docker" "start" "-a" "1a4c921d29ab21d561c3ad76504fb4cbcfc2c10597e5879c9cc5910aad11ce53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sierpinski-triangle-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand_os::rand_core::RngCore`
[INFO] [stdout]  --> src/sierpinski_generator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand_os::rand_core::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_os::OsRng`
[INFO] [stdout]  --> src/sierpinski_generator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand_os::OsRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "1a4c921d29ab21d561c3ad76504fb4cbcfc2c10597e5879c9cc5910aad11ce53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4c921d29ab21d561c3ad76504fb4cbcfc2c10597e5879c9cc5910aad11ce53", kill_on_drop: false }`
[INFO] [stdout] 1a4c921d29ab21d561c3ad76504fb4cbcfc2c10597e5879c9cc5910aad11ce53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97877c4e5cb10c873c0fc436890ced18f13c4c9671a5297e93436ceb9e3045db
[INFO] running `Command { std: "docker" "start" "-a" "97877c4e5cb10c873c0fc436890ced18f13c4c9671a5297e93436ceb9e3045db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `rand_os::rand_core::RngCore`
[INFO] [stderr]  --> src/sierpinski_generator.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand_os::rand_core::RngCore;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_os::OsRng`
[INFO] [stderr]  --> src/sierpinski_generator.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand_os::OsRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sierpinski-triangle-generator` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.85s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sierpinski_triangle_generator-51b2c8fd1112a914)
[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" "97877c4e5cb10c873c0fc436890ced18f13c4c9671a5297e93436ceb9e3045db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97877c4e5cb10c873c0fc436890ced18f13c4c9671a5297e93436ceb9e3045db", kill_on_drop: false }`
[INFO] [stdout] 97877c4e5cb10c873c0fc436890ced18f13c4c9671a5297e93436ceb9e3045db