[INFO] fetching crate iovec 0.1.4...
[INFO] testing iovec-0.1.4 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate iovec 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate iovec 0.1.4 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iovec 0.1.4
[INFO] finished tweaking crates.io crate iovec 0.1.4
[INFO] tweaked toml for crates.io crate iovec 0.1.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21591491e051016ba457a96dbb3ecc127905e5f85b941e4f48da5748b1d89cc8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "21591491e051016ba457a96dbb3ecc127905e5f85b941e4f48da5748b1d89cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21591491e051016ba457a96dbb3ecc127905e5f85b941e4f48da5748b1d89cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21591491e051016ba457a96dbb3ecc127905e5f85b941e4f48da5748b1d89cc8", kill_on_drop: false }`
[INFO] [stdout] 21591491e051016ba457a96dbb3ecc127905e5f85b941e4f48da5748b1d89cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9480b2390f7ece94eb528c3a4a58993c3123f1949b1de46961015912c1e7fec5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9480b2390f7ece94eb528c3a4a58993c3123f1949b1de46961015912c1e7fec5", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "9480b2390f7ece94eb528c3a4a58993c3123f1949b1de46961015912c1e7fec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9480b2390f7ece94eb528c3a4a58993c3123f1949b1de46961015912c1e7fec5", kill_on_drop: false }`
[INFO] [stdout] 9480b2390f7ece94eb528c3a4a58993c3123f1949b1de46961015912c1e7fec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d88a444c5299d54d795967903d0efe615499aa11c26db3ad84b22b03dd9ae6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0d88a444c5299d54d795967903d0efe615499aa11c26db3ad84b22b03dd9ae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "b0d88a444c5299d54d795967903d0efe615499aa11c26db3ad84b22b03dd9ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d88a444c5299d54d795967903d0efe615499aa11c26db3ad84b22b03dd9ae6", kill_on_drop: false }`
[INFO] [stdout] b0d88a444c5299d54d795967903d0efe615499aa11c26db3ad84b22b03dd9ae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a504c3ccef07d9c2ffae24f45f4199f258b8ecbd6c1e1bfef7b0fc540291b20f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a504c3ccef07d9c2ffae24f45f4199f258b8ecbd6c1e1bfef7b0fc540291b20f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iovec-1a1da64fd7921351
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iovec
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::convert_ref ... ok
[INFO] [stdout] test test::convert_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/unix.rs - unix::as_os_slice_mut (line 54) ... ok
[INFO] [stdout] test src/unix.rs - unix::as_os_slice (line 32) ... ok
[INFO] [stdout] test src/unix.rs - unix (line 8) ... ok
[INFO] [stdout] test src/lib.rs - IoVec (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a504c3ccef07d9c2ffae24f45f4199f258b8ecbd6c1e1bfef7b0fc540291b20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a504c3ccef07d9c2ffae24f45f4199f258b8ecbd6c1e1bfef7b0fc540291b20f", kill_on_drop: false }`
[INFO] [stdout] a504c3ccef07d9c2ffae24f45f4199f258b8ecbd6c1e1bfef7b0fc540291b20f