[INFO] fetching crate xf 0.7.0...
[INFO] checking xf-0.7.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate xf 0.7.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate xf 0.7.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xf 0.7.0
[INFO] tweaked toml for crates.io crate xf 0.7.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xf 0.7.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xf 0.7.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c0e3b03d2e710130677161fd8bc300986fa6e2afd215df383992f1e8a8f42ea
[INFO] running `Command { std: "docker" "start" "-a" "7c0e3b03d2e710130677161fd8bc300986fa6e2afd215df383992f1e8a8f42ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c0e3b03d2e710130677161fd8bc300986fa6e2afd215df383992f1e8a8f42ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0e3b03d2e710130677161fd8bc300986fa6e2afd215df383992f1e8a8f42ea", kill_on_drop: false }`
[INFO] [stdout] 7c0e3b03d2e710130677161fd8bc300986fa6e2afd215df383992f1e8a8f42ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51a0939656bdc4e42d4de48bdbdf1a6f484f936bb6353e82128a20ae6ba450f
[INFO] running `Command { std: "docker" "start" "-a" "e51a0939656bdc4e42d4de48bdbdf1a6f484f936bb6353e82128a20ae6ba450f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking xf v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:198:33
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let path: PathBuf = "/tmp/taskfile".parse().unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:200:33
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let path: PathBuf = "/tmp/taskfile.sh".parse().unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:202:33
[INFO] [stdout]     |
[INFO] [stdout] 202 |             let path: PathBuf = "/tmp/Taskfile".parse().unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:204:33
[INFO] [stdout]     |
[INFO] [stdout] 204 |             let path: PathBuf = "/tmp/TaskFile".parse().unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:214:44
[INFO] [stdout]     |
[INFO] [stdout] 214 |                   let current_dir: PathBuf = $workdir.parse().unwrap();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 | /             assert_build_args!(
[INFO] [stdout] 239 | |                 "Taskfile:$file $@",
[INFO] [stdout] 240 | |                 "/tmp/test",
[INFO] [stdout] 241 | |                 "/tmp/test/Taskfile",
[INFO] [stdout] 242 | |                 &["test", "ci"],
[INFO] [stdout] 243 | |                 &["/tmp/test/Taskfile", "test", "ci"]
[INFO] [stdout] 244 | |             );
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `new_state` which comes from the expansion of the macro `assert_build_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:215:37
[INFO] [stdout]     |
[INFO] [stdout] 215 |                   let file: PathBuf = $file.parse().unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 | /             assert_build_args!(
[INFO] [stdout] 239 | |                 "Taskfile:$file $@",
[INFO] [stdout] 240 | |                 "/tmp/test",
[INFO] [stdout] 241 | |                 "/tmp/test/Taskfile",
[INFO] [stdout] 242 | |                 &["test", "ci"],
[INFO] [stdout] 243 | |                 &["/tmp/test/Taskfile", "test", "ci"]
[INFO] [stdout] 244 | |             );
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `new_state` which comes from the expansion of the macro `assert_build_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:214:44
[INFO] [stdout]     |
[INFO] [stdout] 214 |                   let current_dir: PathBuf = $workdir.parse().unwrap();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | /             assert_build_args!(
[INFO] [stdout] 246 | |                 "Taskfile:bash -c \"echo $fileDir $currentDir\"",
[INFO] [stdout] 247 | |                 "/tmp/test",
[INFO] [stdout] 248 | |                 "/tmp/test/Taskfile",
[INFO] [stdout] 249 | |                 &[],
[INFO] [stdout] 250 | |                 &["bash", "-c", "echo /tmp/test/TaskfileDir /tmp/test"]
[INFO] [stdout] 251 | |             );
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `new_state` which comes from the expansion of the macro `assert_build_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:215:37
[INFO] [stdout]     |
[INFO] [stdout] 215 |                   let file: PathBuf = $file.parse().unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | /             assert_build_args!(
[INFO] [stdout] 246 | |                 "Taskfile:bash -c \"echo $fileDir $currentDir\"",
[INFO] [stdout] 247 | |                 "/tmp/test",
[INFO] [stdout] 248 | |                 "/tmp/test/Taskfile",
[INFO] [stdout] 249 | |                 &[],
[INFO] [stdout] 250 | |                 &["bash", "-c", "echo /tmp/test/TaskfileDir /tmp/test"]
[INFO] [stdout] 251 | |             );
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `new_state` which comes from the expansion of the macro `assert_build_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xf` (lib test) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e51a0939656bdc4e42d4de48bdbdf1a6f484f936bb6353e82128a20ae6ba450f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51a0939656bdc4e42d4de48bdbdf1a6f484f936bb6353e82128a20ae6ba450f", kill_on_drop: false }`
[INFO] [stdout] e51a0939656bdc4e42d4de48bdbdf1a6f484f936bb6353e82128a20ae6ba450f
