[INFO] fetching crate olio 1.4.0...
[INFO] testing olio-1.4.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate olio 1.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate olio 1.4.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate olio 1.4.0
[INFO] finished tweaking crates.io crate olio 1.4.0
[INFO] tweaked toml for crates.io crate olio 1.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 461efed35ff6f4862e0e5bd0f7dfa96a6a69ab78f3fcf47d81c3936a0a18bff8
[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" "461efed35ff6f4862e0e5bd0f7dfa96a6a69ab78f3fcf47d81c3936a0a18bff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "461efed35ff6f4862e0e5bd0f7dfa96a6a69ab78f3fcf47d81c3936a0a18bff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461efed35ff6f4862e0e5bd0f7dfa96a6a69ab78f3fcf47d81c3936a0a18bff8", kill_on_drop: false }`
[INFO] [stdout] 461efed35ff6f4862e0e5bd0f7dfa96a6a69ab78f3fcf47d81c3936a0a18bff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91eeede4fe9a93c9dbd1f7ac3157d60119ca2af088f86a2d5aa958203ef69d5c
[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" "91eeede4fe9a93c9dbd1f7ac3157d60119ca2af088f86a2d5aa958203ef69d5c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling olio v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "91eeede4fe9a93c9dbd1f7ac3157d60119ca2af088f86a2d5aa958203ef69d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91eeede4fe9a93c9dbd1f7ac3157d60119ca2af088f86a2d5aa958203ef69d5c", kill_on_drop: false }`
[INFO] [stdout] 91eeede4fe9a93c9dbd1f7ac3157d60119ca2af088f86a2d5aa958203ef69d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 787ce522e527da0be1dc843958b1924e518ba79016c408cc7fb34826be700694
[INFO] running `Command { std: "docker" "start" "-a" "787ce522e527da0be1dc843958b1924e518ba79016c408cc7fb34826be700694", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "787ce522e527da0be1dc843958b1924e518ba79016c408cc7fb34826be700694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787ce522e527da0be1dc843958b1924e518ba79016c408cc7fb34826be700694", kill_on_drop: false }`
[INFO] [stdout] 787ce522e527da0be1dc843958b1924e518ba79016c408cc7fb34826be700694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c03b60c9a414405bddabff6cff7756e970e25b879807eeaa02c4e293275dcc8
[INFO] running `Command { std: "docker" "start" "-a" "2c03b60c9a414405bddabff6cff7756e970e25b879807eeaa02c4e293275dcc8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/olio-faea86114bf8472d)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test io::gather::tests::test_send_sync ... ok
[INFO] [stdout] test fs::read::tests::test_interleaved ... ok
[INFO] [stdout] test fs::read::tests::test_seek ... ok
[INFO] [stdout] test fs::read::tests::test_generic_bounds ... ok
[INFO] [stdout] test fs::read::tests::test_send_sync ... ok
[INFO] [stdout] test io::gather::tests::test_gather ... ok
[INFO] [stdout] test fs::read::tests::test_slice_seek ... ok
[INFO] [stdout] test mem::handle::tests::test_size ... ok
[INFO] [stdout] test fs::read::tests::test_with_buf_reader ... ok
[INFO] [stdout] test io::gather::tests::test_empty ... ok
[INFO] [stdout] test io::gather::tests::test_empty_buf ... ok
[INFO] [stdout] test fs::read::tests::test_slice_with_buf_reader ... ok
[INFO] [stdout] test mem::handle::tests::test_with_any_deref ... ok
[INFO] [stdout] test fs::read::tests::test_slice_seek_offset ... ok
[INFO] [stdout] test mem::handle::tests::test_send_sync ... ok
[INFO] [stdout] test mem::handle::tests::mmap::test_advise_three ... ok
[INFO] [stdout] test fs::read::tests::test_concurrent_seek_read ... ok
[INFO] [stdout] test mem::handle::tests::mmap::test_advise_two_random ... ok
[INFO] [stdout] test mem::handle::tests::mmap::test_advise_one ... ok
[INFO] [stdout] test mem::handle::tests::mmap::test_advise_two_normal ... 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; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests olio
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - fs (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c03b60c9a414405bddabff6cff7756e970e25b879807eeaa02c4e293275dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c03b60c9a414405bddabff6cff7756e970e25b879807eeaa02c4e293275dcc8", kill_on_drop: false }`
[INFO] [stdout] 2c03b60c9a414405bddabff6cff7756e970e25b879807eeaa02c4e293275dcc8