[INFO] fetching crate from_iter 1.1.0...
[INFO] testing from_iter-1.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate from_iter 1.1.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate from_iter 1.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate from_iter 1.1.0
[INFO] finished tweaking crates.io crate from_iter 1.1.0
[INFO] tweaked toml for crates.io crate from_iter 1.1.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 300700857db17df1c68b9229720f886592f1f293b8a91041d7a1250bc7d4e731
[INFO] running `Command { std: "docker" "start" "-a" "300700857db17df1c68b9229720f886592f1f293b8a91041d7a1250bc7d4e731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "300700857db17df1c68b9229720f886592f1f293b8a91041d7a1250bc7d4e731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300700857db17df1c68b9229720f886592f1f293b8a91041d7a1250bc7d4e731", kill_on_drop: false }`
[INFO] [stdout] 300700857db17df1c68b9229720f886592f1f293b8a91041d7a1250bc7d4e731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c8c4e677e3523f0f4f42496680415b5acab727ac8231e4d6df641b7e94bc35c
[INFO] running `Command { std: "docker" "start" "-a" "0c8c4e677e3523f0f4f42496680415b5acab727ac8231e4d6df641b7e94bc35c", kill_on_drop: false }`
[INFO] [stderr]    Compiling from_iter v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "0c8c4e677e3523f0f4f42496680415b5acab727ac8231e4d6df641b7e94bc35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8c4e677e3523f0f4f42496680415b5acab727ac8231e4d6df641b7e94bc35c", kill_on_drop: false }`
[INFO] [stdout] 0c8c4e677e3523f0f4f42496680415b5acab727ac8231e4d6df641b7e94bc35c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a537287b71cb001e98ba59878ef784cf7e961d0310e13e970294c74b782e03
[INFO] running `Command { std: "docker" "start" "-a" "71a537287b71cb001e98ba59878ef784cf7e961d0310e13e970294c74b782e03", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling from_iter v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "71a537287b71cb001e98ba59878ef784cf7e961d0310e13e970294c74b782e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a537287b71cb001e98ba59878ef784cf7e961d0310e13e970294c74b782e03", kill_on_drop: false }`
[INFO] [stdout] 71a537287b71cb001e98ba59878ef784cf7e961d0310e13e970294c74b782e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c98bdd5d01cdb98a0d2257565efae00580c8df29253f1c6474c0ed009241c91f
[INFO] running `Command { std: "docker" "start" "-a" "c98bdd5d01cdb98a0d2257565efae00580c8df29253f1c6474c0ed009241c91f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/from_iter-a3e66755e2e87b6a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::test_from_iter_exact ... ok
[INFO] [stdout] test tests::no_conflict ... ok
[INFO] [stdout] test tests::test_try_from_iter_exact ... ok
[INFO] [stderr]    Doc-tests from_iter
[INFO] [stdout] test tests::try_from_iter_error ... ok
[INFO] [stdout] test tests::try_from_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - FromIterator (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c98bdd5d01cdb98a0d2257565efae00580c8df29253f1c6474c0ed009241c91f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98bdd5d01cdb98a0d2257565efae00580c8df29253f1c6474c0ed009241c91f", kill_on_drop: false }`
[INFO] [stdout] c98bdd5d01cdb98a0d2257565efae00580c8df29253f1c6474c0ed009241c91f