[INFO] fetching crate ioslice 0.6.0-alpha.2...
[INFO] testing ioslice-0.6.0-alpha.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ioslice 0.6.0-alpha.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ioslice 0.6.0-alpha.2 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 ioslice 0.6.0-alpha.2
[INFO] finished tweaking crates.io crate ioslice 0.6.0-alpha.2
[INFO] tweaked toml for crates.io crate ioslice 0.6.0-alpha.2 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] cfdffd23e93c50674be76489610b68a8bc7b07daff63e09e395bfe7133826b6f
[INFO] running `Command { std: "docker" "start" "-a" "cfdffd23e93c50674be76489610b68a8bc7b07daff63e09e395bfe7133826b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfdffd23e93c50674be76489610b68a8bc7b07daff63e09e395bfe7133826b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdffd23e93c50674be76489610b68a8bc7b07daff63e09e395bfe7133826b6f", kill_on_drop: false }`
[INFO] [stdout] cfdffd23e93c50674be76489610b68a8bc7b07daff63e09e395bfe7133826b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6ba34e7479a862afdbee25dd826a0565b0736651b54043ab3d95caf2bbcc688b
[INFO] running `Command { std: "docker" "start" "-a" "6ba34e7479a862afdbee25dd826a0565b0736651b54043ab3d95caf2bbcc688b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ioslice v0.6.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6ba34e7479a862afdbee25dd826a0565b0736651b54043ab3d95caf2bbcc688b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba34e7479a862afdbee25dd826a0565b0736651b54043ab3d95caf2bbcc688b", kill_on_drop: false }`
[INFO] [stdout] 6ba34e7479a862afdbee25dd826a0565b0736651b54043ab3d95caf2bbcc688b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 82e723ce75f4db2e1b4fe0ada6ce8f7f9bb39e16353619d4e90bde93221d832f
[INFO] running `Command { std: "docker" "start" "-a" "82e723ce75f4db2e1b4fe0ada6ce8f7f9bb39e16353619d4e90bde93221d832f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ioslice v0.6.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "82e723ce75f4db2e1b4fe0ada6ce8f7f9bb39e16353619d4e90bde93221d832f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e723ce75f4db2e1b4fe0ada6ce8f7f9bb39e16353619d4e90bde93221d832f", kill_on_drop: false }`
[INFO] [stdout] 82e723ce75f4db2e1b4fe0ada6ce8f7f9bb39e16353619d4e90bde93221d832f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 50147bc0737c12a7fde4a72ebe79f696e24fdb4f9a2050cbf1cfc11d9f4d7932
[INFO] running `Command { std: "docker" "start" "-a" "50147bc0737c12a7fde4a72ebe79f696e24fdb4f9a2050cbf1cfc11d9f4d7932", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ioslice-aa5c4e8ed6fcb6a0)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test iovec::tests::abi_compatibility_with_iovec ... ok
[INFO] [stdout] test iovec::tests::abi_compatibility_with_std ... ok
[INFO] [stdout] test iovec::tests::advance ... ok
[INFO] [stdout] test iovec::tests::splitting_ioslice ... ok
[INFO] [stdout] test iovec::tests::splitting_ioslice_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ioslice
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50147bc0737c12a7fde4a72ebe79f696e24fdb4f9a2050cbf1cfc11d9f4d7932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50147bc0737c12a7fde4a72ebe79f696e24fdb4f9a2050cbf1cfc11d9f4d7932", kill_on_drop: false }`
[INFO] [stdout] 50147bc0737c12a7fde4a72ebe79f696e24fdb4f9a2050cbf1cfc11d9f4d7932