[INFO] fetching crate fmt-iter 0.2.1...
[INFO] testing fmt-iter-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fmt-iter 0.2.1 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate fmt-iter 0.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f853ae6d70546501ac350c9b182cca2d944333ab9c90f39703eb59fd8c454649
[INFO] running `Command { std: "docker" "start" "-a" "f853ae6d70546501ac350c9b182cca2d944333ab9c90f39703eb59fd8c454649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f853ae6d70546501ac350c9b182cca2d944333ab9c90f39703eb59fd8c454649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f853ae6d70546501ac350c9b182cca2d944333ab9c90f39703eb59fd8c454649", kill_on_drop: false }`
[INFO] [stdout] f853ae6d70546501ac350c9b182cca2d944333ab9c90f39703eb59fd8c454649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be5baa8e9ba3088e7c729bd8ea868cd66a1eca8bcdde112d1c6550a7baba6bee
[INFO] running `Command { std: "docker" "start" "-a" "be5baa8e9ba3088e7c729bd8ea868cd66a1eca8bcdde112d1c6550a7baba6bee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling quote v1.0.10
[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 8.39s
[INFO] running `Command { std: "docker" "inspect" "be5baa8e9ba3088e7c729bd8ea868cd66a1eca8bcdde112d1c6550a7baba6bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5baa8e9ba3088e7c729bd8ea868cd66a1eca8bcdde112d1c6550a7baba6bee", kill_on_drop: false }`
[INFO] [stdout] be5baa8e9ba3088e7c729bd8ea868cd66a1eca8bcdde112d1c6550a7baba6bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caae9b0eda4d3fb8af34597aae39683bb62c1bbf0898d9c1d33021503c549f2a
[INFO] running `Command { std: "docker" "start" "-a" "caae9b0eda4d3fb8af34597aae39683bb62c1bbf0898d9c1d33021503c549f2a", 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 1.67s
[INFO] running `Command { std: "docker" "inspect" "caae9b0eda4d3fb8af34597aae39683bb62c1bbf0898d9c1d33021503c549f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caae9b0eda4d3fb8af34597aae39683bb62c1bbf0898d9c1d33021503c549f2a", kill_on_drop: false }`
[INFO] [stdout] caae9b0eda4d3fb8af34597aae39683bb62c1bbf0898d9c1d33021503c549f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c4dfcf30e5a8d9aecfb338dc023748171028879a072c5e1b9a15d2e1b48da1e
[INFO] running `Command { std: "docker" "start" "-a" "1c4dfcf30e5a8d9aecfb338dc023748171028879a072c5e1b9a15d2e1b48da1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fmt_iter-c7ad85c360c56dbb)
[INFO] [stdout] 
[INFO] [stderr]      Running test.rs (/opt/rustwide/target/debug/deps/test-642339143c372ecd)
[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 exact_size_iter ... ok
[INFO] [stdout] test repeat_len ... ok
[INFO] [stdout] test iter ... 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 0.11s
[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 - repeat (line 127) ... ok
[INFO] [stdout] test lib.rs - FmtIter (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c4dfcf30e5a8d9aecfb338dc023748171028879a072c5e1b9a15d2e1b48da1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4dfcf30e5a8d9aecfb338dc023748171028879a072c5e1b9a15d2e1b48da1e", kill_on_drop: false }`
[INFO] [stdout] 1c4dfcf30e5a8d9aecfb338dc023748171028879a072c5e1b9a15d2e1b48da1e