[INFO] crate testfile 0.0.2 is already in cache
[INFO] testing testfile-0.0.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate testfile 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate testfile 0.0.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate testfile 0.0.2
[INFO] finished tweaking crates.io crate testfile 0.0.2
[INFO] tweaked toml for crates.io crate testfile 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0593f63e7f5269ccf94c17baa410ebda64db7ca830fc112c3b7a58d3b34bcaf8
[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" "0593f63e7f5269ccf94c17baa410ebda64db7ca830fc112c3b7a58d3b34bcaf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0593f63e7f5269ccf94c17baa410ebda64db7ca830fc112c3b7a58d3b34bcaf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0593f63e7f5269ccf94c17baa410ebda64db7ca830fc112c3b7a58d3b34bcaf8", kill_on_drop: false }`
[INFO] [stdout] 0593f63e7f5269ccf94c17baa410ebda64db7ca830fc112c3b7a58d3b34bcaf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed01c3abeda770b0879332fbb616fbac9be966fd5b6b42e6a881cacc1c68456c
[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" "ed01c3abeda770b0879332fbb616fbac9be966fd5b6b42e6a881cacc1c68456c", kill_on_drop: false }`
[INFO] [stderr]    Compiling testfile v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "ed01c3abeda770b0879332fbb616fbac9be966fd5b6b42e6a881cacc1c68456c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed01c3abeda770b0879332fbb616fbac9be966fd5b6b42e6a881cacc1c68456c", kill_on_drop: false }`
[INFO] [stdout] ed01c3abeda770b0879332fbb616fbac9be966fd5b6b42e6a881cacc1c68456c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e28455e4b2e44884edfbf3dbe476783dcfd868cf81df1b6df1740d3b05e6ec8
[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" "1e28455e4b2e44884edfbf3dbe476783dcfd868cf81df1b6df1740d3b05e6ec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstest v0.6.4
[INFO] [stderr]    Compiling testfile v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/./lib_tests.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut f = std::fs::File::open(&tf.path);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/./lib_tests.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut f = std::fs::File::open(&tf.path);
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.90s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e28455e4b2e44884edfbf3dbe476783dcfd868cf81df1b6df1740d3b05e6ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e28455e4b2e44884edfbf3dbe476783dcfd868cf81df1b6df1740d3b05e6ec8", kill_on_drop: false }`
[INFO] [stdout] 1e28455e4b2e44884edfbf3dbe476783dcfd868cf81df1b6df1740d3b05e6ec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c62638e2acd7ee10b03624f6d5c4325cd61b91c2d602d8b42063d1bfbfb08064
[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" "c62638e2acd7ee10b03624f6d5c4325cd61b91c2d602d8b42063d1bfbfb08064", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/./lib_tests.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut f = std::fs::File::open(&tf.path);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./lib_tests.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut f = std::fs::File::open(&tf.path);
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/testfile-be5eed090d8cf8dd
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::deref::canBeReferencedAsPath ... ok
[INFO] [stderr]    Doc-tests testfile
[INFO] [stdout] test tests::deref::canBeReferencedAsPathBuf ... ok
[INFO] [stdout] test tests::testEmptyFile ... ok
[INFO] [stdout] test tests::testFileCleanup ... ok
[INFO] [stdout] test tests::flushTest ... ok
[INFO] [stdout] test tests::deref::canBeDereferencedAsWritableFile ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsWrite ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsMutableTestFile ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsFile ... ok
[INFO] [stdout] test tests::deref::canBeDereferencedAsFile ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsRead ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsWritableFile ... ok
[INFO] [stdout] test tests::testFromStr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c62638e2acd7ee10b03624f6d5c4325cd61b91c2d602d8b42063d1bfbfb08064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62638e2acd7ee10b03624f6d5c4325cd61b91c2d602d8b42063d1bfbfb08064", kill_on_drop: false }`
[INFO] [stdout] c62638e2acd7ee10b03624f6d5c4325cd61b91c2d602d8b42063d1bfbfb08064