[INFO] fetching crate fallible-iterator 0.3.0...
[INFO] testing fallible-iterator-0.3.0 against try#981ca440e18f6cc4bc9026d4be8ddb1ca8378af7 for pr-145277
[INFO] extracting crate fallible-iterator 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fallible-iterator 0.3.0
[INFO] finished tweaking crates.io crate fallible-iterator 0.3.0
[INFO] tweaked toml for crates.io crate fallible-iterator 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fallible-iterator 0.3.0 on toolchain 981ca440e18f6cc4bc9026d4be8ddb1ca8378af7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "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" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "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" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9b06a2f6cbd67d954ecf24eb6456a575a22ec6042040b781d56a2c8f6346006
[INFO] running `Command { std: "docker" "start" "-a" "f9b06a2f6cbd67d954ecf24eb6456a575a22ec6042040b781d56a2c8f6346006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9b06a2f6cbd67d954ecf24eb6456a575a22ec6042040b781d56a2c8f6346006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b06a2f6cbd67d954ecf24eb6456a575a22ec6042040b781d56a2c8f6346006", kill_on_drop: false }`
[INFO] [stdout] f9b06a2f6cbd67d954ecf24eb6456a575a22ec6042040b781d56a2c8f6346006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 904c096e2509a8439869459d1c71aeb8247ee5c1dd65d13d97a7b1608dc925bd
[INFO] running `Command { std: "docker" "start" "-a" "904c096e2509a8439869459d1c71aeb8247ee5c1dd65d13d97a7b1608dc925bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling fallible-iterator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "904c096e2509a8439869459d1c71aeb8247ee5c1dd65d13d97a7b1608dc925bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904c096e2509a8439869459d1c71aeb8247ee5c1dd65d13d97a7b1608dc925bd", kill_on_drop: false }`
[INFO] [stdout] 904c096e2509a8439869459d1c71aeb8247ee5c1dd65d13d97a7b1608dc925bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e95e28867870fc7de74d6fe42eccaf57be7a92160939b3877bea900dc6859d6b
[INFO] running `Command { std: "docker" "start" "-a" "e95e28867870fc7de74d6fe42eccaf57be7a92160939b3877bea900dc6859d6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fallible-iterator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "e95e28867870fc7de74d6fe42eccaf57be7a92160939b3877bea900dc6859d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95e28867870fc7de74d6fe42eccaf57be7a92160939b3877bea900dc6859d6b", kill_on_drop: false }`
[INFO] [stdout] e95e28867870fc7de74d6fe42eccaf57be7a92160939b3877bea900dc6859d6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26653c40ccfa37d167567e1966bc7c737a76c87b327d0714d8b86eee88bfc4a2
[INFO] running `Command { std: "docker" "start" "-a" "26653c40ccfa37d167567e1966bc7c737a76c87b327d0714d8b86eee88bfc4a2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fallible_iterator-9fc15c70eccca7b9)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test test::all ... ok
[INFO] [stdout] test test::any ... ok
[INFO] [stdout] test test::chain ... ok
[INFO] [stdout] test test::count ... ok
[INFO] [stdout] test test::cycle ... ok
[INFO] [stdout] test test::enumerate ... ok
[INFO] [stdout] test test::filter ... ok
[INFO] [stdout] test test::filter_map ... ok
[INFO] [stdout] test test::find ... ok
[INFO] [stdout] test test::find_map ... ok
[INFO] [stdout] test test::flatten ... ok
[INFO] [stdout] test test::flat_map ... ok
[INFO] [stdout] test test::fold ... ok
[INFO] [stdout] test test::for_each ... ok
[INFO] [stdout] test test::inspect ... ok
[INFO] [stdout] test test::iterator ... ok
[INFO] [stdout] test test::last ... ok
[INFO] [stdout] test test::map ... ok
[INFO] [stdout] test test::map_err ... ok
[INFO] [stdout] test test::max ... ok
[INFO] [stdout] test test::max_by ... ok
[INFO] [stdout] test test::max_by_key ... ok
[INFO] [stdout] test test::min ... ok
[INFO] [stdout] test test::min_by ... ok
[INFO] [stdout] test test::partition ... ok
[INFO] [stdout] test test::min_by_key ... ok
[INFO] [stdout] test test::peekable ... ok
[INFO] [stdout] test test::nth ... ok
[INFO] [stdout] test test::scan ... ok
[INFO] [stdout] test test::skip_while ... ok
[INFO] [stdout] test test::take ... ok
[INFO] [stdout] test test::unwrap ... ok
[INFO] [stdout] test test::skip ... ok
[INFO] [stdout] test test::take_while ... ok
[INFO] [stdout] test test::unzip ... ok
[INFO] [stdout] test test::wrap_std_iter_into_fallible ... ok
[INFO] [stdout] test test::step_by ... ok
[INFO] [stdout] test test::position ... ok
[INFO] [stdout] test test::unwrap_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fallible_iterator
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ignored
[INFO] [stdout] test src/lib.rs - (line 22) ... ignored
[INFO] [stdout] test src/lib.rs - (line 40) ... ignored
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] test src/lib.rs - from_fn (line 1839) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26653c40ccfa37d167567e1966bc7c737a76c87b327d0714d8b86eee88bfc4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26653c40ccfa37d167567e1966bc7c737a76c87b327d0714d8b86eee88bfc4a2", kill_on_drop: false }`
[INFO] [stdout] 26653c40ccfa37d167567e1966bc7c737a76c87b327d0714d8b86eee88bfc4a2