[INFO] fetching crate fs2 0.4.3...
[INFO] testing fs2-0.4.3 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate fs2 0.4.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fs2 0.4.3 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs2 0.4.3
[INFO] finished tweaking crates.io crate fs2 0.4.3
[INFO] tweaked toml for crates.io crate fs2 0.4.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", 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] dc63df8cf7bf55ad294d73ff45700cb1bcd96b4d3b816f4d28f5681ae63e2087
[INFO] running `Command { std: "docker" "start" "-a" "dc63df8cf7bf55ad294d73ff45700cb1bcd96b4d3b816f4d28f5681ae63e2087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc63df8cf7bf55ad294d73ff45700cb1bcd96b4d3b816f4d28f5681ae63e2087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc63df8cf7bf55ad294d73ff45700cb1bcd96b4d3b816f4d28f5681ae63e2087", kill_on_drop: false }`
[INFO] [stdout] dc63df8cf7bf55ad294d73ff45700cb1bcd96b4d3b816f4d28f5681ae63e2087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9429d56058beca5af56b77cf2b0c9d9438ca0d04bab3fdad092125c4bd3438a5
[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" "9429d56058beca5af56b77cf2b0c9d9438ca0d04bab3fdad092125c4bd3438a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling fs2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "9429d56058beca5af56b77cf2b0c9d9438ca0d04bab3fdad092125c4bd3438a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9429d56058beca5af56b77cf2b0c9d9438ca0d04bab3fdad092125c4bd3438a5", kill_on_drop: false }`
[INFO] [stdout] 9429d56058beca5af56b77cf2b0c9d9438ca0d04bab3fdad092125c4bd3438a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 040c94771a429f33c4ad1450e41a2c5e9bc8517f5992139d0250920c6a361ada
[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" "040c94771a429f33c4ad1450e41a2c5e9bc8517f5992139d0250920c6a361ada", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling fs2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "040c94771a429f33c4ad1450e41a2c5e9bc8517f5992139d0250920c6a361ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040c94771a429f33c4ad1450e41a2c5e9bc8517f5992139d0250920c6a361ada", kill_on_drop: false }`
[INFO] [stdout] 040c94771a429f33c4ad1450e41a2c5e9bc8517f5992139d0250920c6a361ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40de8b7b89212fb55429237e61931ac8b20fedb6754883e828b84fcaf1c52cd6
[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" "40de8b7b89212fb55429237e61931ac8b20fedb6754883e828b84fcaf1c52cd6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fs2-c4e3edbbeec4cc0f)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test test::duplicate ... ok
[INFO] [stdout] test test::bench_file_allocate ... ok
[INFO] [stdout] test test::bench_available_space ... ok
[INFO] [stdout] test test::bench_total_space ... ok
[INFO] [stdout] test test::allocate ... ok
[INFO] [stdout] test test::filesystem_space ... ok
[INFO] [stdout] test unix::test::duplicate_new_fd ... ok
[INFO] [stdout] test unix::test::lock_replace ... ok
[INFO] [stdout] test unix::test::duplicate_cloexec ... ok
[INFO] [stdout] test test::bench_file_truncate ... ok
[INFO] [stdout] test test::bench_free_space ... ok
[INFO] [stdout] test test::bench_allocated_size ... ok
[INFO] [stdout] test test::bench_file_create ... ok
[INFO] [stdout] test test::bench_lock_unlock ... ok
[INFO] [stdout] test unix::test::lock_duplicate ... ok
[INFO] [stderr]    Doc-tests fs2
[INFO] [stdout] test test::lock_shared ... ok
[INFO] [stdout] test test::lock_exclusive ... ok
[INFO] [stdout] test test::lock_cleanup ... ok
[INFO] [stdout] test test::bench_duplicate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[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" "40de8b7b89212fb55429237e61931ac8b20fedb6754883e828b84fcaf1c52cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40de8b7b89212fb55429237e61931ac8b20fedb6754883e828b84fcaf1c52cd6", kill_on_drop: false }`
[INFO] [stdout] 40de8b7b89212fb55429237e61931ac8b20fedb6754883e828b84fcaf1c52cd6