[INFO] fetching crate fs-err 2.6.0...
[INFO] testing fs-err-2.6.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate fs-err 2.6.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fs-err 2.6.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs-err 2.6.0
[INFO] finished tweaking crates.io crate fs-err 2.6.0
[INFO] tweaked toml for crates.io crate fs-err 2.6.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 76abf5b972310c24aaa953e901fd5f098c14b0ebbf0ec7a7e9d36ef356713bc6
[INFO] running `Command { std: "docker" "start" "-a" "76abf5b972310c24aaa953e901fd5f098c14b0ebbf0ec7a7e9d36ef356713bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76abf5b972310c24aaa953e901fd5f098c14b0ebbf0ec7a7e9d36ef356713bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76abf5b972310c24aaa953e901fd5f098c14b0ebbf0ec7a7e9d36ef356713bc6", kill_on_drop: false }`
[INFO] [stdout] 76abf5b972310c24aaa953e901fd5f098c14b0ebbf0ec7a7e9d36ef356713bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb7545cca0b70d2337f6f454d9aa986dd1617c1830ee8ec5ba2aa35faca17d7d
[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" "eb7545cca0b70d2337f6f454d9aa986dd1617c1830ee8ec5ba2aa35faca17d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs-err v2.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]   --> src/dir.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "eb7545cca0b70d2337f6f454d9aa986dd1617c1830ee8ec5ba2aa35faca17d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7545cca0b70d2337f6f454d9aa986dd1617c1830ee8ec5ba2aa35faca17d7d", kill_on_drop: false }`
[INFO] [stdout] eb7545cca0b70d2337f6f454d9aa986dd1617c1830ee8ec5ba2aa35faca17d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] b80de50c60ccd5d91b669007a376bd1462a8a5d590e86abd3046aa59e97da8e5
[INFO] running `Command { std: "docker" "start" "-a" "b80de50c60ccd5d91b669007a376bd1462a8a5d590e86abd3046aa59e97da8e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]   --> src/dir.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling version-sync v0.9.3
[INFO] [stderr]    Compiling fs-err v2.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]   --> src/dir.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.61s
[INFO] running `Command { std: "docker" "inspect" "b80de50c60ccd5d91b669007a376bd1462a8a5d590e86abd3046aa59e97da8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80de50c60ccd5d91b669007a376bd1462a8a5d590e86abd3046aa59e97da8e5", kill_on_drop: false }`
[INFO] [stdout] b80de50c60ccd5d91b669007a376bd1462a8a5d590e86abd3046aa59e97da8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab2b43891188c3d36d10790b0ce55cd0b6cb644fd7ba1c3137889a99205a63eb
[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" "ab2b43891188c3d36d10790b0ce55cd0b6cb644fd7ba1c3137889a99205a63eb", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `path`
[INFO] [stderr]   --> src/dir.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fs-err` (lib) generated 1 warning
[INFO] [stderr] warning: `fs-err` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fs_err-ec95fe10cba9847c)
[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] [stderr]      Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-497568de1be7b24a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stderr]    Doc-tests fs-err
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 32) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 9) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 48) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab2b43891188c3d36d10790b0ce55cd0b6cb644fd7ba1c3137889a99205a63eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2b43891188c3d36d10790b0ce55cd0b6cb644fd7ba1c3137889a99205a63eb", kill_on_drop: false }`
[INFO] [stdout] ab2b43891188c3d36d10790b0ce55cd0b6cb644fd7ba1c3137889a99205a63eb