[INFO] fetching crate from_iter 1.0.0...
[INFO] testing from_iter-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate from_iter 1.0.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate from_iter 1.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate from_iter 1.0.0
[INFO] finished tweaking crates.io crate from_iter 1.0.0
[INFO] tweaked toml for crates.io crate from_iter 1.0.0 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e054525e68bebad93c75bc11fb7a835afc14e3bb77c2096c43df12c787f9802c
[INFO] running `Command { std: "docker" "start" "-a" "e054525e68bebad93c75bc11fb7a835afc14e3bb77c2096c43df12c787f9802c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e054525e68bebad93c75bc11fb7a835afc14e3bb77c2096c43df12c787f9802c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e054525e68bebad93c75bc11fb7a835afc14e3bb77c2096c43df12c787f9802c", kill_on_drop: false }`
[INFO] [stdout] e054525e68bebad93c75bc11fb7a835afc14e3bb77c2096c43df12c787f9802c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55b5220b12e3405c9c79160f2b3ced8f886a9fe9617635c2cc30e26224f16550
[INFO] running `Command { std: "docker" "start" "-a" "55b5220b12e3405c9c79160f2b3ced8f886a9fe9617635c2cc30e26224f16550", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling from_iter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "55b5220b12e3405c9c79160f2b3ced8f886a9fe9617635c2cc30e26224f16550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b5220b12e3405c9c79160f2b3ced8f886a9fe9617635c2cc30e26224f16550", kill_on_drop: false }`
[INFO] [stdout] 55b5220b12e3405c9c79160f2b3ced8f886a9fe9617635c2cc30e26224f16550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18f704eceb2ae66cf3582c2826844b41bec422990652b7b602d5951fd766a4ee
[INFO] running `Command { std: "docker" "start" "-a" "18f704eceb2ae66cf3582c2826844b41bec422990652b7b602d5951fd766a4ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling from_iter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "18f704eceb2ae66cf3582c2826844b41bec422990652b7b602d5951fd766a4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f704eceb2ae66cf3582c2826844b41bec422990652b7b602d5951fd766a4ee", kill_on_drop: false }`
[INFO] [stdout] 18f704eceb2ae66cf3582c2826844b41bec422990652b7b602d5951fd766a4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9da6ed7adf9ae8e91e58d3706559b98f27631179229f18e4d6908923cd31b2e0
[INFO] running `Command { std: "docker" "start" "-a" "9da6ed7adf9ae8e91e58d3706559b98f27631179229f18e4d6908923cd31b2e0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/from_iter-508bea442c003c54)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::no_conflict ... ok
[INFO] [stdout] test tests::try_from_iter_error ... ok
[INFO] [stdout] test tests::try_from_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests from_iter
[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 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9da6ed7adf9ae8e91e58d3706559b98f27631179229f18e4d6908923cd31b2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da6ed7adf9ae8e91e58d3706559b98f27631179229f18e4d6908923cd31b2e0", kill_on_drop: false }`
[INFO] [stdout] 9da6ed7adf9ae8e91e58d3706559b98f27631179229f18e4d6908923cd31b2e0