[INFO] cloning repository https://github.com/KSXGitHub/fmt-iter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KSXGitHub/fmt-iter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKSXGitHub%2Ffmt-iter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKSXGitHub%2Ffmt-iter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26ccff440f63e1d4ea845b2e86e4d65d156ebd24
[INFO] testing KSXGitHub/fmt-iter against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKSXGitHub%2Ffmt-iter" "/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/KSXGitHub/fmt-iter on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/KSXGitHub/fmt-iter
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/KSXGitHub/fmt-iter
[INFO] tweaked toml for git repo https://github.com/KSXGitHub/fmt-iter written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/KSXGitHub/fmt-iter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3067e52733e0be1ad5009678d19ec216ee0299698f4480db65e639010edcfae7
[INFO] running `Command { std: "docker" "start" "-a" "3067e52733e0be1ad5009678d19ec216ee0299698f4480db65e639010edcfae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3067e52733e0be1ad5009678d19ec216ee0299698f4480db65e639010edcfae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3067e52733e0be1ad5009678d19ec216ee0299698f4480db65e639010edcfae7", kill_on_drop: false }`
[INFO] [stdout] 3067e52733e0be1ad5009678d19ec216ee0299698f4480db65e639010edcfae7
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b505e3f3eed26f908e6e0a4d9a874c1cbeaeea615f9bf07e4367fd91b1702881
[INFO] running `Command { std: "docker" "start" "-a" "b505e3f3eed26f908e6e0a4d9a874c1cbeaeea615f9bf07e4367fd91b1702881", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling fmt-iter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.32s
[INFO] running `Command { std: "docker" "inspect" "b505e3f3eed26f908e6e0a4d9a874c1cbeaeea615f9bf07e4367fd91b1702881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b505e3f3eed26f908e6e0a4d9a874c1cbeaeea615f9bf07e4367fd91b1702881", kill_on_drop: false }`
[INFO] [stdout] b505e3f3eed26f908e6e0a4d9a874c1cbeaeea615f9bf07e4367fd91b1702881
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4caa380ab81f8611681acadfb38f7e1c7ab63c31a42c125f29b00b23c934f366
[INFO] running `Command { std: "docker" "start" "-a" "4caa380ab81f8611681acadfb38f7e1c7ab63c31a42c125f29b00b23c934f366", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt-iter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "4caa380ab81f8611681acadfb38f7e1c7ab63c31a42c125f29b00b23c934f366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4caa380ab81f8611681acadfb38f7e1c7ab63c31a42c125f29b00b23c934f366", kill_on_drop: false }`
[INFO] [stdout] 4caa380ab81f8611681acadfb38f7e1c7ab63c31a42c125f29b00b23c934f366
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 166fd3bc3f11116138acbee2f9c8a1c7c8951527d9111711544945bba625666f
[INFO] running `Command { std: "docker" "start" "-a" "166fd3bc3f11116138acbee2f9c8a1c7c8951527d9111711544945bba625666f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fmt_iter-65fb9e58ddc74b44)
[INFO] [stdout] 
[INFO] [stderr]      Running test.rs (/opt/rustwide/target/debug/deps/test-53ef16e3d9867f41)
[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 7 tests
[INFO] [stdout] test display_repeat_char ... ok
[INFO] [stdout] test display_repeat_string ... ok
[INFO] [stdout] test display_slice_char ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test exact_size_iter ... ok
[INFO] [stdout] test repeat_len ... ok
[INFO] [stdout] test display_slice_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fmt_iter
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lib.rs - (line 18) - compile ... ok
[INFO] [stdout] test lib.rs - (line 5) - compile ... ok
[INFO] [stdout] test lib.rs - FmtIter (line 55) ... ok
[INFO] [stdout] test lib.rs - repeat (line 127) ... ok
[INFO] [stdout] test lib.rs - FmtIter (line 38) ... ok
[INFO] [stdout] test lib.rs - FmtIter (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "166fd3bc3f11116138acbee2f9c8a1c7c8951527d9111711544945bba625666f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166fd3bc3f11116138acbee2f9c8a1c7c8951527d9111711544945bba625666f", kill_on_drop: false }`
[INFO] [stdout] 166fd3bc3f11116138acbee2f9c8a1c7c8951527d9111711544945bba625666f