[INFO] fetching crate memfile 0.2.0...
[INFO] testing memfile-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate memfile 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate memfile 0.2.0 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 memfile 0.2.0
[INFO] finished tweaking crates.io crate memfile 0.2.0
[INFO] tweaked toml for crates.io crate memfile 0.2.0 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7c06084bc556ac3bf1b8dee1d6c11e050b330adc2361049d692c0679bd7d2df7
[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" "7c06084bc556ac3bf1b8dee1d6c11e050b330adc2361049d692c0679bd7d2df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c06084bc556ac3bf1b8dee1d6c11e050b330adc2361049d692c0679bd7d2df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c06084bc556ac3bf1b8dee1d6c11e050b330adc2361049d692c0679bd7d2df7", kill_on_drop: false }`
[INFO] [stdout] 7c06084bc556ac3bf1b8dee1d6c11e050b330adc2361049d692c0679bd7d2df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5ab813beec1e10b92592f35cbc18fadb3fa3d3a375ca7d35b0c6ec937cbf54c6
[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" "5ab813beec1e10b92592f35cbc18fadb3fa3d3a375ca7d35b0c6ec937cbf54c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memfile v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "5ab813beec1e10b92592f35cbc18fadb3fa3d3a375ca7d35b0c6ec937cbf54c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab813beec1e10b92592f35cbc18fadb3fa3d3a375ca7d35b0c6ec937cbf54c6", kill_on_drop: false }`
[INFO] [stdout] 5ab813beec1e10b92592f35cbc18fadb3fa3d3a375ca7d35b0c6ec937cbf54c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 8b3ca07da3b6893e6747efa1c0c7a529a28db426bb050c435f0c1f084024820a
[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" "8b3ca07da3b6893e6747efa1c0c7a529a28db426bb050c435f0c1f084024820a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling assert2-macros v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling assert2 v0.3.6
[INFO] [stderr]    Compiling memfile v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.53s
[INFO] running `Command { std: "docker" "inspect" "8b3ca07da3b6893e6747efa1c0c7a529a28db426bb050c435f0c1f084024820a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b3ca07da3b6893e6747efa1c0c7a529a28db426bb050c435f0c1f084024820a", kill_on_drop: false }`
[INFO] [stdout] 8b3ca07da3b6893e6747efa1c0c7a529a28db426bb050c435f0c1f084024820a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 99575f4a7d9d2e1af50fe2bbf16c89867641894430bc365a53ee41aeeaa2b50e
[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" "99575f4a7d9d2e1af50fe2bbf16c89867641894430bc365a53ee41aeeaa2b50e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test seal::test::test_bitand ... ok
[INFO] [stdout] test seal::test::test_bitor ... ok
[INFO] [stdout] test seal::test::test_iter ... ok
[INFO] [stdout] test seal::test::test_empty ... ok
[INFO] [stdout] test seal::test::test_debug ... ok
[INFO] [stdout] test seal::test::test_bitxor ... ok
[INFO] [stdout] test seal::test::test_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memfile-cff5f33e6b5b11ef)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/memfile.rs (/opt/rustwide/target/debug/deps/memfile-31f3bdf66bc7b4ea)
[INFO] [stdout] running 11 tests
[INFO] [stdout] test create_write_seek_read ... ok
[INFO] [stdout] test try_clone ... ok
[INFO] [stdout] test seal_seal ... ok
[INFO] [stdout] test seal_shrink ... ok
[INFO] [stdout] test seal_write ... ok
[INFO] [stdout] test seal_grow ... ok
[INFO] [stdout] test sealing_must_be_enabled ... ok
[INFO] [stdout] test seal_future_write ... ok
[INFO] [stdout] test clones_share_metadata_and_seals ... ok
[INFO] [stdout] test set_len_stat ... ok
[INFO] [stdout] test from_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memfile
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99575f4a7d9d2e1af50fe2bbf16c89867641894430bc365a53ee41aeeaa2b50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99575f4a7d9d2e1af50fe2bbf16c89867641894430bc365a53ee41aeeaa2b50e", kill_on_drop: false }`
[INFO] [stdout] 99575f4a7d9d2e1af50fe2bbf16c89867641894430bc365a53ee41aeeaa2b50e