[INFO] cloning repository https://github.com/juanmait/my-very-naive-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juanmait/my-very-naive-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanmait%2Fmy-very-naive-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanmait%2Fmy-very-naive-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f39249b0f836255a5b739dd5d4d1ed0466c6cca2
[INFO] testing juanmait/my-very-naive-rust against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanmait%2Fmy-very-naive-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juanmait/my-very-naive-rust on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juanmait/my-very-naive-rust
[INFO] finished tweaking git repo https://github.com/juanmait/my-very-naive-rust
[INFO] tweaked toml for git repo https://github.com/juanmait/my-very-naive-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/juanmait/my-very-naive-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b66214942d3b4ef4da15cc94d76b461448563da6d2d65e4fcc5e23e58e72945f
[INFO] running `Command { std: "docker" "start" "-a" "b66214942d3b4ef4da15cc94d76b461448563da6d2d65e4fcc5e23e58e72945f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b66214942d3b4ef4da15cc94d76b461448563da6d2d65e4fcc5e23e58e72945f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66214942d3b4ef4da15cc94d76b461448563da6d2d65e4fcc5e23e58e72945f", kill_on_drop: false }`
[INFO] [stdout] b66214942d3b4ef4da15cc94d76b461448563da6d2d65e4fcc5e23e58e72945f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1582fdcf8d0830ba989a6ab8bfe35ad4939b3c62b5dbc550e735e09fd1c6c3de
[INFO] running `Command { std: "docker" "start" "-a" "1582fdcf8d0830ba989a6ab8bfe35ad4939b3c62b5dbc550e735e09fd1c6c3de", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling _traits v0.1.0 (/opt/rustwide/workdir/_traits)
[INFO] [stderr]    Compiling array-iter v0.1.0 (/opt/rustwide/workdir/array-iter)
[INFO] [stderr]    Compiling rev-range v0.1.0 (/opt/rustwide/workdir/rev-range)
[INFO] [stderr]    Compiling block-test v0.1.0 (/opt/rustwide/workdir/block-test)
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir/guess-game)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "1582fdcf8d0830ba989a6ab8bfe35ad4939b3c62b5dbc550e735e09fd1c6c3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1582fdcf8d0830ba989a6ab8bfe35ad4939b3c62b5dbc550e735e09fd1c6c3de", kill_on_drop: false }`
[INFO] [stdout] 1582fdcf8d0830ba989a6ab8bfe35ad4939b3c62b5dbc550e735e09fd1c6c3de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6923f44b49a9283ecaab2f5382a786ca131a2bd67475cc59ed9f37a97caba0d8
[INFO] running `Command { std: "docker" "start" "-a" "6923f44b49a9283ecaab2f5382a786ca131a2bd67475cc59ed9f37a97caba0d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-iter v0.1.0 (/opt/rustwide/workdir/array-iter)
[INFO] [stderr]    Compiling _traits v0.1.0 (/opt/rustwide/workdir/_traits)
[INFO] [stderr]    Compiling rev-range v0.1.0 (/opt/rustwide/workdir/rev-range)
[INFO] [stderr]    Compiling block-test v0.1.0 (/opt/rustwide/workdir/block-test)
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir/guess-game)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "6923f44b49a9283ecaab2f5382a786ca131a2bd67475cc59ed9f37a97caba0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6923f44b49a9283ecaab2f5382a786ca131a2bd67475cc59ed9f37a97caba0d8", kill_on_drop: false }`
[INFO] [stdout] 6923f44b49a9283ecaab2f5382a786ca131a2bd67475cc59ed9f37a97caba0d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3554d217fd62143c03b38df8543b144f41ef9639a025aec5517a99bd8218473
[INFO] running `Command { std: "docker" "start" "-a" "b3554d217fd62143c03b38df8543b144f41ef9639a025aec5517a99bd8218473", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/_traits-c125d474643df00a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/array_iter-21ef70dccc7abf43)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/block_test-ab329f27f9914105)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_rust-20536f7abfb1aea5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rev_range-2e51da8215a512a0)
[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] [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] [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" "b3554d217fd62143c03b38df8543b144f41ef9639a025aec5517a99bd8218473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3554d217fd62143c03b38df8543b144f41ef9639a025aec5517a99bd8218473", kill_on_drop: false }`
[INFO] [stdout] b3554d217fd62143c03b38df8543b144f41ef9639a025aec5517a99bd8218473