[INFO] fetching crate iter-tee 0.1.0...
[INFO] testing iter-tee-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate iter-tee 0.1.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate iter-tee 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter-tee 0.1.0
[INFO] finished tweaking crates.io crate iter-tee 0.1.0
[INFO] tweaked toml for crates.io crate iter-tee 0.1.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 503dbc92aed4cbcc73d9335efe90507a55ae73e84964110c20cc7d3a2cc51523
[INFO] running `Command { std: "docker" "start" "-a" "503dbc92aed4cbcc73d9335efe90507a55ae73e84964110c20cc7d3a2cc51523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "503dbc92aed4cbcc73d9335efe90507a55ae73e84964110c20cc7d3a2cc51523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503dbc92aed4cbcc73d9335efe90507a55ae73e84964110c20cc7d3a2cc51523", kill_on_drop: false }`
[INFO] [stdout] 503dbc92aed4cbcc73d9335efe90507a55ae73e84964110c20cc7d3a2cc51523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c4148f8226948d5da55ba5864a2912821804ab9e644e309f5fdedbfd2b397d1
[INFO] running `Command { std: "docker" "start" "-a" "2c4148f8226948d5da55ba5864a2912821804ab9e644e309f5fdedbfd2b397d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-tee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2c4148f8226948d5da55ba5864a2912821804ab9e644e309f5fdedbfd2b397d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4148f8226948d5da55ba5864a2912821804ab9e644e309f5fdedbfd2b397d1", kill_on_drop: false }`
[INFO] [stdout] 2c4148f8226948d5da55ba5864a2912821804ab9e644e309f5fdedbfd2b397d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea8e06adb199c32899fca8f03b7b3af5134fe6f9dd0ae2d3cd31a5029425e7f
[INFO] running `Command { std: "docker" "start" "-a" "2ea8e06adb199c32899fca8f03b7b3af5134fe6f9dd0ae2d3cd31a5029425e7f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter-tee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "2ea8e06adb199c32899fca8f03b7b3af5134fe6f9dd0ae2d3cd31a5029425e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea8e06adb199c32899fca8f03b7b3af5134fe6f9dd0ae2d3cd31a5029425e7f", kill_on_drop: false }`
[INFO] [stdout] 2ea8e06adb199c32899fca8f03b7b3af5134fe6f9dd0ae2d3cd31a5029425e7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12dc8c7cc31bd951f0838484f0082280cbbc88690f61c244ae3d387d97f0d6cf
[INFO] running `Command { std: "docker" "start" "-a" "12dc8c7cc31bd951f0838484f0082280cbbc88690f61c244ae3d387d97f0d6cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_tee-f5fac6993c1c4b50)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::clone_in_the_middle ... ok
[INFO] [stdout] test tests::just_one_tee ... ok
[INFO] [stdout] test tests::drop_in_the_middle ... ok
[INFO] [stdout] test tests::two_tees_parallel ... ok
[INFO] [stdout] test tests::two_tees ... ok
[INFO] [stdout] test tests::ten_tees_parallel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter-tee
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12dc8c7cc31bd951f0838484f0082280cbbc88690f61c244ae3d387d97f0d6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12dc8c7cc31bd951f0838484f0082280cbbc88690f61c244ae3d387d97f0d6cf", kill_on_drop: false }`
[INFO] [stdout] 12dc8c7cc31bd951f0838484f0082280cbbc88690f61c244ae3d387d97f0d6cf