[INFO] fetching crate cowbird 0.1.1... [INFO] checking cowbird-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate cowbird 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate cowbird 0.1.1 [INFO] finished tweaking crates.io crate cowbird 0.1.1 [INFO] tweaked toml for crates.io crate cowbird 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cowbird 0.1.1 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 cowbird 0.1.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0b498412f13e262c3becf85c3a3c794e2f322c8a9a1beb1abb3595b1e88e9e18 [INFO] running `Command { std: "docker" "start" "-a" "0b498412f13e262c3becf85c3a3c794e2f322c8a9a1beb1abb3595b1e88e9e18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b498412f13e262c3becf85c3a3c794e2f322c8a9a1beb1abb3595b1e88e9e18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b498412f13e262c3becf85c3a3c794e2f322c8a9a1beb1abb3595b1e88e9e18", kill_on_drop: false }` [INFO] [stdout] 0b498412f13e262c3becf85c3a3c794e2f322c8a9a1beb1abb3595b1e88e9e18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 54377ff3e69da9d20e56f2dbcd41698ba43b70904a1bc589e0917fe52c08494c [INFO] running `Command { std: "docker" "start" "-a" "54377ff3e69da9d20e56f2dbcd41698ba43b70904a1bc589e0917fe52c08494c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.115 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking arc-swap v1.5.0 [INFO] [stderr] Compiling slog-async v2.7.0 [INFO] [stderr] Compiling substring v1.4.5 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking whoami v1.2.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking slog-stdlog v4.1.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking stdio-override v0.1.3 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking positioned-io v0.2.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking slog-term v2.8.0 [INFO] [stderr] Checking slog-envlogger v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling clap_derive v3.0.12 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking yaml-split v0.3.2 [INFO] [stderr] Checking clap v3.0.13 [INFO] [stderr] Checking serde_yaml v0.8.23 [INFO] [stderr] Checking slog-json v2.5.0 [INFO] [stderr] Checking cowbird v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | / /// Log file location [INFO] [stdout] 15 | | #[clap(short, long, default_value_t = concat!(env!["CARGO_PKG_NAME"],".log").to_string())] [INFO] [stdout] 16 | | pub log: 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/cmd.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | exec: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | / #[serde(default)] [INFO] [stdout] 18 | | args: Vec, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | / /// File to create [INFO] [stdout] 23 | | file: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | / /// File to modify [INFO] [stdout] 28 | | file: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | / /// Bytes to write, decode hex if value starts with "0x" [INFO] [stdout] 30 | | data: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | / /// File to delete [INFO] [stdout] 39 | | file: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | / /// Bytes to write, decode hex if value starts with "0x" [INFO] [stdout] 46 | | #[clap(default_value = "")] [INFO] [stdout] 47 | | #[serde(default)] [INFO] [stdout] 48 | | data: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | / /// File to read [INFO] [stdout] 57 | | #[clap(default_value = "-")] [INFO] [stdout] 58 | | file: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cowbird` (lib test) due to 9 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/cli.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | / /// Log file location [INFO] [stdout] 15 | | #[clap(short, long, default_value_t = concat!(env!["CARGO_PKG_NAME"],".log").to_string())] [INFO] [stdout] 16 | | pub log: 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/cmd.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | exec: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | / #[serde(default)] [INFO] [stdout] 18 | | args: Vec, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | / /// File to create [INFO] [stdout] 23 | | file: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | / /// File to modify [INFO] [stdout] 28 | | file: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | / /// Bytes to write, decode hex if value starts with "0x" [INFO] [stdout] 30 | | data: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | / /// File to delete [INFO] [stdout] 39 | | file: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | / /// Bytes to write, decode hex if value starts with "0x" [INFO] [stdout] 46 | | #[clap(default_value = "")] [INFO] [stdout] 47 | | #[serde(default)] [INFO] [stdout] 48 | | data: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cmd.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | / /// File to read [INFO] [stdout] 57 | | #[clap(default_value = "-")] [INFO] [stdout] 58 | | file: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cowbird` (lib) due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "54377ff3e69da9d20e56f2dbcd41698ba43b70904a1bc589e0917fe52c08494c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54377ff3e69da9d20e56f2dbcd41698ba43b70904a1bc589e0917fe52c08494c", kill_on_drop: false }` [INFO] [stdout] 54377ff3e69da9d20e56f2dbcd41698ba43b70904a1bc589e0917fe52c08494c