[INFO] fetching crate fmt-iter 0.2.1...
[INFO] testing fmt-iter-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fmt-iter 0.2.1 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate fmt-iter 0.2.1 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] started tweaking crates.io crate fmt-iter 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fmt-iter 0.2.1
[INFO] tweaked toml for crates.io crate fmt-iter 0.2.1 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pipe-trait v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] f8d41b3576d58ba7782be8b560d59ae6e61b7b0b810b448894ca57a152e0ba48
[INFO] running `Command { std: "docker" "start" "-a" "f8d41b3576d58ba7782be8b560d59ae6e61b7b0b810b448894ca57a152e0ba48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8d41b3576d58ba7782be8b560d59ae6e61b7b0b810b448894ca57a152e0ba48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d41b3576d58ba7782be8b560d59ae6e61b7b0b810b448894ca57a152e0ba48", kill_on_drop: false }`
[INFO] [stdout] f8d41b3576d58ba7782be8b560d59ae6e61b7b0b810b448894ca57a152e0ba48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] eb7501dbd936e90d2e4cd033fcc0940c2231451cffdaa1006403a8c94d505a6d
[INFO] running `Command { std: "docker" "start" "-a" "eb7501dbd936e90d2e4cd033fcc0940c2231451cffdaa1006403a8c94d505a6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.1
[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 9.85s
[INFO] running `Command { std: "docker" "inspect" "eb7501dbd936e90d2e4cd033fcc0940c2231451cffdaa1006403a8c94d505a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7501dbd936e90d2e4cd033fcc0940c2231451cffdaa1006403a8c94d505a6d", kill_on_drop: false }`
[INFO] [stdout] eb7501dbd936e90d2e4cd033fcc0940c2231451cffdaa1006403a8c94d505a6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] aa3b0895de4eaeb447a1c46297bf3f7924b64dd72274a5ffcd694dd06fd528d8
[INFO] running `Command { std: "docker" "start" "-a" "aa3b0895de4eaeb447a1c46297bf3f7924b64dd72274a5ffcd694dd06fd528d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pipe-trait v0.3.2
[INFO] [stderr]    Compiling fmt-iter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "aa3b0895de4eaeb447a1c46297bf3f7924b64dd72274a5ffcd694dd06fd528d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3b0895de4eaeb447a1c46297bf3f7924b64dd72274a5ffcd694dd06fd528d8", kill_on_drop: false }`
[INFO] [stdout] aa3b0895de4eaeb447a1c46297bf3f7924b64dd72274a5ffcd694dd06fd528d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 22ea85fe8be5b9a207ccb55a164cbd6be0204e893950a976300910d8563398fb
[INFO] running `Command { std: "docker" "start" "-a" "22ea85fe8be5b9a207ccb55a164cbd6be0204e893950a976300910d8563398fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fmt_iter-91270297345cdd37)
[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 test.rs (/opt/rustwide/target/debug/deps/test-4acc3aae46fe5afb)
[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 display_slice_string ... ok
[INFO] [stdout] test exact_size_iter ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test repeat_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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 - FmtIter (line 47) ... ok
[INFO] [stdout] test lib.rs - FmtIter (line 38) ... ok
[INFO] [stdout] test lib.rs - repeat (line 127) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22ea85fe8be5b9a207ccb55a164cbd6be0204e893950a976300910d8563398fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ea85fe8be5b9a207ccb55a164cbd6be0204e893950a976300910d8563398fb", kill_on_drop: false }`
[INFO] [stdout] 22ea85fe8be5b9a207ccb55a164cbd6be0204e893950a976300910d8563398fb