[INFO] fetching crate faster-build 0.5.0... [INFO] checking faster-build-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate faster-build 0.5.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate faster-build 0.5.0 [INFO] finished tweaking crates.io crate faster-build 0.5.0 [INFO] tweaked toml for crates.io crate faster-build 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate faster-build 0.5.0 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 faster-build 0.5.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 63a5c12138afa25705978cd463d34bbe7bbb80e5578f7e0066c8f69e3fa893aa [INFO] running `Command { std: "docker" "start" "-a" "63a5c12138afa25705978cd463d34bbe7bbb80e5578f7e0066c8f69e3fa893aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63a5c12138afa25705978cd463d34bbe7bbb80e5578f7e0066c8f69e3fa893aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63a5c12138afa25705978cd463d34bbe7bbb80e5578f7e0066c8f69e3fa893aa", kill_on_drop: false }` [INFO] [stdout] 63a5c12138afa25705978cd463d34bbe7bbb80e5578f7e0066c8f69e3fa893aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a2cb92e00ff64beb83942f93d76e894edbb8f0670b27d3a85b60c740ab8bbea6 [INFO] running `Command { std: "docker" "start" "-a" "a2cb92e00ff64beb83942f93d76e894edbb8f0670b27d3a85b60c740ab8bbea6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling snap v1.0.5 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking fixedbitset v0.4.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking anyhow v1.0.57 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking petgraph v0.6.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking filetime v0.2.16 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking os_pipe v0.9.2 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking shared_child v0.3.5 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking duct v0.13.5 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tar v0.4.38 [INFO] [stderr] Checking indicatif v0.17.0-rc.10 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ctrlc v3.2.2 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking twox-hash v1.6.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking serde v1.0.137 [INFO] [stderr] Checking serde_yaml v0.8.24 [INFO] [stderr] Checking faster-build v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | / /// Provide a custom config file path [INFO] [stdout] 59 | | #[clap(short, long, default_value = "faster.yaml")] [INFO] [stdout] 60 | | config: String, [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: std::result::Result [INFO] [stdout] --> src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | / /// Task name for which files should be printed [INFO] [stdout] 71 | | task_name: String, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | / /// Task name to be run [INFO] [stdout] 81 | | task_name: String, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | / /// Task name to clean, or nothing to clean all tasks [INFO] [stdout] 100 | | task_name: Option, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/hashes.rs:65:32 [INFO] [stdout] | [INFO] [stdout] 65 | .map(|pattern| PathBuf::from_str(pattern).expect("failed to create path")) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `faster-build` (bin "faster" test) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | / /// Provide a custom config file path [INFO] [stdout] 59 | | #[clap(short, long, default_value = "faster.yaml")] [INFO] [stdout] 60 | | config: String, [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 [INFO] [stdout] --> src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | / /// Task name for which files should be printed [INFO] [stdout] 71 | | task_name: String, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | / /// Task name to be run [INFO] [stdout] 81 | | task_name: String, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | / /// Task name to clean, or nothing to clean all tasks [INFO] [stdout] 100 | | task_name: Option, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `faster-build` (bin "faster") due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "a2cb92e00ff64beb83942f93d76e894edbb8f0670b27d3a85b60c740ab8bbea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2cb92e00ff64beb83942f93d76e894edbb8f0670b27d3a85b60c740ab8bbea6", kill_on_drop: false }` [INFO] [stdout] a2cb92e00ff64beb83942f93d76e894edbb8f0670b27d3a85b60c740ab8bbea6