[INFO] fetching crate fscx-rs 0.1.4...
[INFO] testing fscx-rs-0.1.4 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate fscx-rs 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate fscx-rs 0.1.4
[INFO] finished tweaking crates.io crate fscx-rs 0.1.4
[INFO] tweaked toml for crates.io crate fscx-rs 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fscx-rs 0.1.4 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fscx-rs 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f796e73db87053c87bfedfdc0f00003784d680944dfd4417aef573657fc789b
[INFO] running `Command { std: "docker" "start" "-a" "6f796e73db87053c87bfedfdc0f00003784d680944dfd4417aef573657fc789b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f796e73db87053c87bfedfdc0f00003784d680944dfd4417aef573657fc789b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f796e73db87053c87bfedfdc0f00003784d680944dfd4417aef573657fc789b", kill_on_drop: false }`
[INFO] [stdout] 6f796e73db87053c87bfedfdc0f00003784d680944dfd4417aef573657fc789b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7cb81c97d75cf8f5fbd9733f36f044907f9f5ac8446c9a8f7549d217cab042d
[INFO] running `Command { std: "docker" "start" "-a" "d7cb81c97d75cf8f5fbd9733f36f044907f9f5ac8446c9a8f7549d217cab042d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling fscx-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/dir.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "d7cb81c97d75cf8f5fbd9733f36f044907f9f5ac8446c9a8f7549d217cab042d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cb81c97d75cf8f5fbd9733f36f044907f9f5ac8446c9a8f7549d217cab042d", kill_on_drop: false }`
[INFO] [stdout] d7cb81c97d75cf8f5fbd9733f36f044907f9f5ac8446c9a8f7549d217cab042d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f018724c6656a39f37a0d068d9fe476587c9e671b2b04f50bb17f4d8884afda0
[INFO] running `Command { std: "docker" "start" "-a" "f018724c6656a39f37a0d068d9fe476587c9e671b2b04f50bb17f4d8884afda0", kill_on_drop: false }`
[INFO] [stderr]    Compiling fscx-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/dir.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/dir.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> examples/copy_dir.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |         vec!["./examples", "target", ".git", "examples/test.txt"],
[INFO] [stdout]   |              ^^^^^^^^^^^^ expected `String`, found `&str`
[INFO] [stdout]   |
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]   |
[INFO] [stdout] 8 |         vec!["./examples".to_string(), "target", ".git", "examples/test.txt"],
[INFO] [stdout]   |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/copy_dir.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |         vec!["target"],
[INFO] [stdout]    |              ^^^^^^^^ expected `String`, found `&str`
[INFO] [stdout]    |
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout] 15 |         vec!["target".to_string()],
[INFO] [stdout]    |                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fscx-rs` (example "copy_dir") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f018724c6656a39f37a0d068d9fe476587c9e671b2b04f50bb17f4d8884afda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f018724c6656a39f37a0d068d9fe476587c9e671b2b04f50bb17f4d8884afda0", kill_on_drop: false }`
[INFO] [stdout] f018724c6656a39f37a0d068d9fe476587c9e671b2b04f50bb17f4d8884afda0