[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 try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykonomi%2Fsierpinski-triangle" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ykonomi/sierpinski-triangle on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v2.4.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.43
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.43
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.43
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.43
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94051e548a8a746b2deee2ab72302a6c4c2fab3c02ae136ea37c8e07efff311b
[INFO] running `Command { std: "docker" "start" "-a" "94051e548a8a746b2deee2ab72302a6c4c2fab3c02ae136ea37c8e07efff311b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94051e548a8a746b2deee2ab72302a6c4c2fab3c02ae136ea37c8e07efff311b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94051e548a8a746b2deee2ab72302a6c4c2fab3c02ae136ea37c8e07efff311b", kill_on_drop: false }`
[INFO] [stdout] 94051e548a8a746b2deee2ab72302a6c4c2fab3c02ae136ea37c8e07efff311b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 144ec3896291ab97e8b69d7400dde6b7c01a8ea28ad227d098244eff022c10d8
[INFO] running `Command { std: "docker" "start" "-a" "144ec3896291ab97e8b69d7400dde6b7c01a8ea28ad227d098244eff022c10d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 bumpalo v2.4.1
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen v0.2.43
[INFO] [stderr]    Compiling log v0.4.6
[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 rand_os v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.43
[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 38.29s
[INFO] running `Command { std: "docker" "inspect" "144ec3896291ab97e8b69d7400dde6b7c01a8ea28ad227d098244eff022c10d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144ec3896291ab97e8b69d7400dde6b7c01a8ea28ad227d098244eff022c10d8", kill_on_drop: false }`
[INFO] [stdout] 144ec3896291ab97e8b69d7400dde6b7c01a8ea28ad227d098244eff022c10d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31130a5279adc06a8bb5a55e1c5a522b4f17b0b1cb40b4531d3f7e8507e13d48
[INFO] running `Command { std: "docker" "start" "-a" "31130a5279adc06a8bb5a55e1c5a522b4f17b0b1cb40b4531d3f7e8507e13d48", 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 1.79s
[INFO] running `Command { std: "docker" "inspect" "31130a5279adc06a8bb5a55e1c5a522b4f17b0b1cb40b4531d3f7e8507e13d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31130a5279adc06a8bb5a55e1c5a522b4f17b0b1cb40b4531d3f7e8507e13d48", kill_on_drop: false }`
[INFO] [stdout] 31130a5279adc06a8bb5a55e1c5a522b4f17b0b1cb40b4531d3f7e8507e13d48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6538df9588a74355ad2ff2b149e70a22400ade2049747f53a4a68009d0c89944
[INFO] running `Command { std: "docker" "start" "-a" "6538df9588a74355ad2ff2b149e70a22400ade2049747f53a4a68009d0c89944", 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 6.46s
[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" "6538df9588a74355ad2ff2b149e70a22400ade2049747f53a4a68009d0c89944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6538df9588a74355ad2ff2b149e70a22400ade2049747f53a4a68009d0c89944", kill_on_drop: false }`
[INFO] [stdout] 6538df9588a74355ad2ff2b149e70a22400ade2049747f53a4a68009d0c89944