[INFO] cloning repository https://github.com/archer884/reduce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/reduce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Freduce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Freduce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07e4c1012a109c390a30fe479b1837dc62544ab5
[INFO] testing archer884/reduce against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Freduce" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/reduce on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/archer884/reduce
[INFO] finished tweaking git repo https://github.com/archer884/reduce
[INFO] tweaked toml for git repo https://github.com/archer884/reduce written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/reduce already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b56575c4d602c7858d9bf2f7a06976e9c627395a02b36bf9bce2cc06a2c1e6f
[INFO] running `Command { std: "docker" "start" "-a" "1b56575c4d602c7858d9bf2f7a06976e9c627395a02b36bf9bce2cc06a2c1e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b56575c4d602c7858d9bf2f7a06976e9c627395a02b36bf9bce2cc06a2c1e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b56575c4d602c7858d9bf2f7a06976e9c627395a02b36bf9bce2cc06a2c1e6f", kill_on_drop: false }`
[INFO] [stdout] 1b56575c4d602c7858d9bf2f7a06976e9c627395a02b36bf9bce2cc06a2c1e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cab6221bbeaddeba17fee06b147396de0ce2a951c03379a4ba84a3ead16068e
[INFO] running `Command { std: "docker" "start" "-a" "4cab6221bbeaddeba17fee06b147396de0ce2a951c03379a4ba84a3ead16068e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter-ord v0.1.0 (https://github.com/archer884/iter-ord#2e48d1aa)
[INFO] [stderr]    Compiling grabinput v0.1.1
[INFO] [stderr]    Compiling reduce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fraction.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |     IntParse(Box<Error>),
[INFO] [stdout]    |                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "4cab6221bbeaddeba17fee06b147396de0ce2a951c03379a4ba84a3ead16068e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cab6221bbeaddeba17fee06b147396de0ce2a951c03379a4ba84a3ead16068e", kill_on_drop: false }`
[INFO] [stdout] 4cab6221bbeaddeba17fee06b147396de0ce2a951c03379a4ba84a3ead16068e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80e7e3c4b978309adb2863b3122d4368198e6d66b4a0e4b7ab792e83c2956b03
[INFO] running `Command { std: "docker" "start" "-a" "80e7e3c4b978309adb2863b3122d4368198e6d66b4a0e4b7ab792e83c2956b03", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fraction.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |     IntParse(Box<Error>),
[INFO] [stdout]    |                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "80e7e3c4b978309adb2863b3122d4368198e6d66b4a0e4b7ab792e83c2956b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e7e3c4b978309adb2863b3122d4368198e6d66b4a0e4b7ab792e83c2956b03", kill_on_drop: false }`
[INFO] [stdout] 80e7e3c4b978309adb2863b3122d4368198e6d66b4a0e4b7ab792e83c2956b03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 329eade93e1308b496ab8ff0f051aea1b1e1245037f0443cbdd860f703ad1acc
[INFO] running `Command { std: "docker" "start" "-a" "329eade93e1308b496ab8ff0f051aea1b1e1245037f0443cbdd860f703ad1acc", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fraction.rs:83:18
[INFO] [stderr]    |
[INFO] [stderr] 83 |     IntParse(Box<Error>),
[INFO] [stderr]    |                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reduce-b8045e0750b8a3af)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test divisors::tests::divisors_of_4096 ... ok
[INFO] [stdout] test fraction::tests::reducible_fractions_are_reduced ... ok
[INFO] [stdout] test fraction::tests::irreducible_fractions_are_unchanged ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "329eade93e1308b496ab8ff0f051aea1b1e1245037f0443cbdd860f703ad1acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "329eade93e1308b496ab8ff0f051aea1b1e1245037f0443cbdd860f703ad1acc", kill_on_drop: false }`
[INFO] [stdout] 329eade93e1308b496ab8ff0f051aea1b1e1245037f0443cbdd860f703ad1acc