[INFO] fetching crate olio 1.3.0...
[INFO] testing olio-1.3.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate olio 1.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate olio 1.3.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate olio 1.3.0
[INFO] finished tweaking crates.io crate olio 1.3.0
[INFO] tweaked toml for crates.io crate olio 1.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e60e464924a26caa12056aee71938f7ff178368859c697ae2ecaaa31b1dfe7c3
[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" "e60e464924a26caa12056aee71938f7ff178368859c697ae2ecaaa31b1dfe7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60e464924a26caa12056aee71938f7ff178368859c697ae2ecaaa31b1dfe7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60e464924a26caa12056aee71938f7ff178368859c697ae2ecaaa31b1dfe7c3", kill_on_drop: false }`
[INFO] [stdout] e60e464924a26caa12056aee71938f7ff178368859c697ae2ecaaa31b1dfe7c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59538fbd35f50b7655bd041094ef92b7e9d8594d7e00f7e16214bbce11b13feb
[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" "59538fbd35f50b7655bd041094ef92b7e9d8594d7e00f7e16214bbce11b13feb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling olio v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "59538fbd35f50b7655bd041094ef92b7e9d8594d7e00f7e16214bbce11b13feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59538fbd35f50b7655bd041094ef92b7e9d8594d7e00f7e16214bbce11b13feb", kill_on_drop: false }`
[INFO] [stdout] 59538fbd35f50b7655bd041094ef92b7e9d8594d7e00f7e16214bbce11b13feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b76efbcbee673afe8ed3d448d13492bb3dab0be857d3b8975b9847529dcf7d3
[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" "4b76efbcbee673afe8ed3d448d13492bb3dab0be857d3b8975b9847529dcf7d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling olio v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "4b76efbcbee673afe8ed3d448d13492bb3dab0be857d3b8975b9847529dcf7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b76efbcbee673afe8ed3d448d13492bb3dab0be857d3b8975b9847529dcf7d3", kill_on_drop: false }`
[INFO] [stdout] 4b76efbcbee673afe8ed3d448d13492bb3dab0be857d3b8975b9847529dcf7d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 512d628cea1154a469e57f2d013db721893b371db9cf1b2a827c4730fc59fc3a
[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" "512d628cea1154a469e57f2d013db721893b371db9cf1b2a827c4730fc59fc3a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/olio-3e2c7e40e999de06
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test fs::read::tests::test_generic_bounds ... ok
[INFO] [stdout] test io::gather::tests::test_empty ... ok
[INFO] [stdout] test fs::read::tests::test_with_buf_reader ... ok
[INFO] [stdout] test fs::read::tests::test_send_sync ... ok
[INFO] [stdout] test fs::read::tests::test_slice_seek ... ok
[INFO] [stdout] test fs::read::tests::test_seek ... ok
[INFO] [stdout] test mem::handle::tests::test_send_sync ... ok
[INFO] [stdout] test mem::handle::tests::test_size ... ok
[INFO] [stdout] test io::gather::tests::test_empty_buf ... ok
[INFO] [stdout] test fs::read::tests::test_slice_seek_offset ... ok
[INFO] [stdout] test fs::read::tests::test_slice_with_buf_reader ... ok
[INFO] [stdout] test mem::handle::tests::mmap::test_advise_three ... ok
[INFO] [stdout] test io::gather::tests::test_send_sync ... ok
[INFO] [stdout] test fs::read::tests::test_interleaved ... ok
[INFO] [stdout] test io::gather::tests::test_gather ... ok
[INFO] [stdout] test mem::handle::tests::mmap::test_advise_two_normal ... ok
[INFO] [stdout] test mem::handle::tests::test_with_any_deref ... ok
[INFO] [stdout] test mem::handle::tests::mmap::test_advise_one ... ok
[INFO] [stdout] test mem::handle::tests::mmap::test_advise_two_random ... ok
[INFO] [stdout] test fs::read::tests::test_concurrent_seek_read ... ok
[INFO] [stdout] test mem::handle::tests::mmap::test_advise_threaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests olio
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - fs (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "512d628cea1154a469e57f2d013db721893b371db9cf1b2a827c4730fc59fc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512d628cea1154a469e57f2d013db721893b371db9cf1b2a827c4730fc59fc3a", kill_on_drop: false }`
[INFO] [stdout] 512d628cea1154a469e57f2d013db721893b371db9cf1b2a827c4730fc59fc3a