[INFO] fetching crate mark_last 0.9.2...
[INFO] testing mark_last-0.9.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate mark_last 0.9.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mark_last 0.9.2
[INFO] finished tweaking crates.io crate mark_last 0.9.2
[INFO] tweaked toml for crates.io crate mark_last 0.9.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mark_last 0.9.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a1d0fe4ca9de572ef3da289e7dfceb68c2df60c19b06d8383ca1edb22b0018d
[INFO] running `Command { std: "docker" "start" "-a" "9a1d0fe4ca9de572ef3da289e7dfceb68c2df60c19b06d8383ca1edb22b0018d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a1d0fe4ca9de572ef3da289e7dfceb68c2df60c19b06d8383ca1edb22b0018d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1d0fe4ca9de572ef3da289e7dfceb68c2df60c19b06d8383ca1edb22b0018d", kill_on_drop: false }`
[INFO] [stdout] 9a1d0fe4ca9de572ef3da289e7dfceb68c2df60c19b06d8383ca1edb22b0018d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b36f1d0837ea5839a78803bc010ce25652ede0f63e986bac52ad5a39fb47f26
[INFO] running `Command { std: "docker" "start" "-a" "6b36f1d0837ea5839a78803bc010ce25652ede0f63e986bac52ad5a39fb47f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling mark_last v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "6b36f1d0837ea5839a78803bc010ce25652ede0f63e986bac52ad5a39fb47f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b36f1d0837ea5839a78803bc010ce25652ede0f63e986bac52ad5a39fb47f26", kill_on_drop: false }`
[INFO] [stdout] 6b36f1d0837ea5839a78803bc010ce25652ede0f63e986bac52ad5a39fb47f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a49ca503e8fcc5bc7bbcb4f0dba12c967af4229fe274037b446c4388318031b9
[INFO] running `Command { std: "docker" "start" "-a" "a49ca503e8fcc5bc7bbcb4f0dba12c967af4229fe274037b446c4388318031b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mark_last v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "a49ca503e8fcc5bc7bbcb4f0dba12c967af4229fe274037b446c4388318031b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49ca503e8fcc5bc7bbcb4f0dba12c967af4229fe274037b446c4388318031b9", kill_on_drop: false }`
[INFO] [stdout] a49ca503e8fcc5bc7bbcb4f0dba12c967af4229fe274037b446c4388318031b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b5bd0cad631312f4348f549a958416b165da98fadbb759ef5507cfd36de49fb
[INFO] running `Command { std: "docker" "start" "-a" "1b5bd0cad631312f4348f549a958416b165da98fadbb759ef5507cfd36de49fb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mark_last-626ff97c9bb324ec)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::empty_collection ... ok
[INFO] [stdout] test test::marks_last ... ok
[INFO] [stdout] test test::marks_last_length_one ... ok
[INFO] [stdout] test test::marks_nothing_infinite ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mark_last
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - MarkLastIterator::mark_last (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b5bd0cad631312f4348f549a958416b165da98fadbb759ef5507cfd36de49fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5bd0cad631312f4348f549a958416b165da98fadbb759ef5507cfd36de49fb", kill_on_drop: false }`
[INFO] [stdout] 1b5bd0cad631312f4348f549a958416b165da98fadbb759ef5507cfd36de49fb