[INFO] fetching crate learn_itor 0.1.0...
[INFO] testing learn_itor-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate learn_itor 0.1.0 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate learn_itor 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate learn_itor 0.1.0
[INFO] finished tweaking crates.io crate learn_itor 0.1.0
[INFO] tweaked toml for crates.io crate learn_itor 0.1.0 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate learn_itor 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ed9750cc43a6f50c5c4307c7ec37a5636b9960d26ba82c42093f13b06823bfa
[INFO] running `Command { std: "docker" "start" "-a" "7ed9750cc43a6f50c5c4307c7ec37a5636b9960d26ba82c42093f13b06823bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ed9750cc43a6f50c5c4307c7ec37a5636b9960d26ba82c42093f13b06823bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed9750cc43a6f50c5c4307c7ec37a5636b9960d26ba82c42093f13b06823bfa", kill_on_drop: false }`
[INFO] [stdout] 7ed9750cc43a6f50c5c4307c7ec37a5636b9960d26ba82c42093f13b06823bfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dd6fc30089c38172a69fee7763765801edeec89250e0d16f86f515cc53964cf
[INFO] running `Command { std: "docker" "start" "-a" "3dd6fc30089c38172a69fee7763765801edeec89250e0d16f86f515cc53964cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_itor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "3dd6fc30089c38172a69fee7763765801edeec89250e0d16f86f515cc53964cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd6fc30089c38172a69fee7763765801edeec89250e0d16f86f515cc53964cf", kill_on_drop: false }`
[INFO] [stdout] 3dd6fc30089c38172a69fee7763765801edeec89250e0d16f86f515cc53964cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c259b71b64ef15346ee0b236e003b967013fa9e4861245d2d19eba1cf95262d1
[INFO] running `Command { std: "docker" "start" "-a" "c259b71b64ef15346ee0b236e003b967013fa9e4861245d2d19eba1cf95262d1", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling learn_itor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "c259b71b64ef15346ee0b236e003b967013fa9e4861245d2d19eba1cf95262d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c259b71b64ef15346ee0b236e003b967013fa9e4861245d2d19eba1cf95262d1", kill_on_drop: false }`
[INFO] [stdout] c259b71b64ef15346ee0b236e003b967013fa9e4861245d2d19eba1cf95262d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11ddd928d4eba572933cf6c15ffa9dffbb7fe5cbe5ce417641fec24635f85e17
[INFO] running `Command { std: "docker" "start" "-a" "11ddd928d4eba572933cf6c15ffa9dffbb7fe5cbe5ce417641fec24635f85e17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn new() -> Counter {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `learn_itor` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_itor-30232330a5197af1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test calling_next_directly ... ok
[INFO] [stdout] test filters_by_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_itor-a9b1b3be49374266)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test iter_enum ... ok
[INFO] [stdout] test iter_enum_sum ... ok
[INFO] [stdout] test iter_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learn_itor
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - shoes_in_my_size (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11ddd928d4eba572933cf6c15ffa9dffbb7fe5cbe5ce417641fec24635f85e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ddd928d4eba572933cf6c15ffa9dffbb7fe5cbe5ce417641fec24635f85e17", kill_on_drop: false }`
[INFO] [stdout] 11ddd928d4eba572933cf6c15ffa9dffbb7fe5cbe5ce417641fec24635f85e17