[INFO] fetching crate fs-err 2.6.0...
[INFO] testing fs-err-2.6.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fs-err 2.6.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate fs-err 2.6.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13995fec1f0e85c34925f9bb00dbf70707bd831b81d341e3e163cae2d1afd7df
[INFO] running `Command { std: "docker" "start" "-a" "13995fec1f0e85c34925f9bb00dbf70707bd831b81d341e3e163cae2d1afd7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13995fec1f0e85c34925f9bb00dbf70707bd831b81d341e3e163cae2d1afd7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13995fec1f0e85c34925f9bb00dbf70707bd831b81d341e3e163cae2d1afd7df", kill_on_drop: false }`
[INFO] [stdout] 13995fec1f0e85c34925f9bb00dbf70707bd831b81d341e3e163cae2d1afd7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b82ed9e5321cd51fda34ea4bc03a7cdc7c8261df4a5ce81e07e92a02eac9482
[INFO] running `Command { std: "docker" "start" "-a" "8b82ed9e5321cd51fda34ea4bc03a7cdc7c8261df4a5ce81e07e92a02eac9482", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.70s
[INFO] running `Command { std: "docker" "inspect" "8b82ed9e5321cd51fda34ea4bc03a7cdc7c8261df4a5ce81e07e92a02eac9482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b82ed9e5321cd51fda34ea4bc03a7cdc7c8261df4a5ce81e07e92a02eac9482", kill_on_drop: false }`
[INFO] [stdout] 8b82ed9e5321cd51fda34ea4bc03a7cdc7c8261df4a5ce81e07e92a02eac9482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cae6e938528eb64eddaf31fe223b4d7f1cdc81b28b11b5fca16a5b230454eec3
[INFO] running `Command { std: "docker" "start" "-a" "cae6e938528eb64eddaf31fe223b4d7f1cdc81b28b11b5fca16a5b230454eec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.9.0
[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]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[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 regex v1.5.4
[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 6.76s
[INFO] running `Command { std: "docker" "inspect" "cae6e938528eb64eddaf31fe223b4d7f1cdc81b28b11b5fca16a5b230454eec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae6e938528eb64eddaf31fe223b4d7f1cdc81b28b11b5fca16a5b230454eec3", kill_on_drop: false }`
[INFO] [stdout] cae6e938528eb64eddaf31fe223b4d7f1cdc81b28b11b5fca16a5b230454eec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfe88d454c03cb299e2f43f41cf85b9cb7c79a5ffbdced5e0b569c921286f89f
[INFO] running `Command { std: "docker" "start" "-a" "dfe88d454c03cb299e2f43f41cf85b9cb7c79a5ffbdced5e0b569c921286f89f", 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 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fs_err-a0fdd563bc72fd05)
[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-6c282729b2da3e79)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[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] [stderr]    Doc-tests fs-err
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 9) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 48) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 32) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfe88d454c03cb299e2f43f41cf85b9cb7c79a5ffbdced5e0b569c921286f89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe88d454c03cb299e2f43f41cf85b9cb7c79a5ffbdced5e0b569c921286f89f", kill_on_drop: false }`
[INFO] [stdout] dfe88d454c03cb299e2f43f41cf85b9cb7c79a5ffbdced5e0b569c921286f89f