[INFO] fetching crate rusmo 1.0.1... [INFO] testing rusmo-1.0.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate rusmo 1.0.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate rusmo 1.0.1 [INFO] finished tweaking crates.io crate rusmo 1.0.1 [INFO] tweaked toml for crates.io crate rusmo 1.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rusmo 1.0.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rusmo 1.0.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c599cd610a171ddfa0ec2ccc374feff2f5f48b5327f0c38f66d9449d76d496c4 [INFO] running `Command { std: "docker" "start" "-a" "c599cd610a171ddfa0ec2ccc374feff2f5f48b5327f0c38f66d9449d76d496c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c599cd610a171ddfa0ec2ccc374feff2f5f48b5327f0c38f66d9449d76d496c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c599cd610a171ddfa0ec2ccc374feff2f5f48b5327f0c38f66d9449d76d496c4", kill_on_drop: false }` [INFO] [stdout] c599cd610a171ddfa0ec2ccc374feff2f5f48b5327f0c38f66d9449d76d496c4 [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" "-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1ec5d334517b65242cff1603756cdf4a42f7cc278c6b29c37b0f87f2ca6bcb4 [INFO] running `Command { std: "docker" "start" "-a" "d1ec5d334517b65242cff1603756cdf4a42f7cc278c6b29c37b0f87f2ca6bcb4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling cmd_lib v0.6.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling rusmo v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `flag_help` is never read [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | flag_help: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Setting` is never constructed [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct Setting { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 42 | let _ = Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | / Command::new(EDITOR.to_string()) [INFO] [stdout] 86 | | .arg(utils::get_toml_env().path() + "/" + target_filename.trim()) [INFO] [stdout] 87 | | .exec(); [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = Command::new(EDITOR.to_string()) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 92 | let _ = Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.80s [INFO] running `Command { std: "docker" "inspect" "d1ec5d334517b65242cff1603756cdf4a42f7cc278c6b29c37b0f87f2ca6bcb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1ec5d334517b65242cff1603756cdf4a42f7cc278c6b29c37b0f87f2ca6bcb4", kill_on_drop: false }` [INFO] [stdout] d1ec5d334517b65242cff1603756cdf4a42f7cc278c6b29c37b0f87f2ca6bcb4 [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" "-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 245fb850578cad0705ece15a341543c94a6cade7f3658930cb9e51040acc2d9f [INFO] running `Command { std: "docker" "start" "-a" "245fb850578cad0705ece15a341543c94a6cade7f3658930cb9e51040acc2d9f", kill_on_drop: false }` [INFO] [stderr] Compiling rusmo v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `flag_help` is never read [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | flag_help: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Setting` is never constructed [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct Setting { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 42 | let _ = Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | / Command::new(EDITOR.to_string()) [INFO] [stdout] 86 | | .arg(utils::get_toml_env().path() + "/" + target_filename.trim()) [INFO] [stdout] 87 | | .exec(); [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = Command::new(EDITOR.to_string()) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 92 | let _ = Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.60s [INFO] running `Command { std: "docker" "inspect" "245fb850578cad0705ece15a341543c94a6cade7f3658930cb9e51040acc2d9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "245fb850578cad0705ece15a341543c94a6cade7f3658930cb9e51040acc2d9f", kill_on_drop: false }` [INFO] [stdout] 245fb850578cad0705ece15a341543c94a6cade7f3658930cb9e51040acc2d9f [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" "-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] edc6d76f50bbc99b0a2ecde243c8b6d210195cf9b0ebf62161a9e3037da73cdf [INFO] running `Command { std: "docker" "start" "-a" "edc6d76f50bbc99b0a2ecde243c8b6d210195cf9b0ebf62161a9e3037da73cdf", kill_on_drop: false }` [INFO] [stderr] warning: field `flag_help` is never read [INFO] [stdout] [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 12 | pub struct Args { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ---- field in this struct [INFO] [stdout] [INFO] [stderr] ... [INFO] [stdout] [INFO] [stderr] 24 | flag_help: bool, [INFO] [stdout] running 2 tests [INFO] [stderr] | ^^^^^^^^^ [INFO] [stdout] test file::tests::success ... ok [INFO] [stderr] | [INFO] [stdout] test tests::success ... ok [INFO] [stderr] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: struct `Setting` is never constructed [INFO] [stderr] --> src/main.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | struct Setting { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `exec` that must be used [INFO] [stderr] --> src/file.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 42 | let _ = Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `exec` that must be used [INFO] [stderr] --> src/file.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | / Command::new(EDITOR.to_string()) [INFO] [stderr] 86 | | .arg(utils::get_toml_env().path() + "/" + target_filename.trim()) [INFO] [stderr] 87 | | .exec(); [INFO] [stderr] | |_______________^ [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 85 | let _ = Command::new(EDITOR.to_string()) [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `exec` that must be used [INFO] [stderr] --> src/file.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 92 | let _ = Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rusmo` (bin "rusmo" test) generated 5 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusmo-9e379a45392cb365) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusmo-31789d8caef3afcc) [INFO] [stderr] Doc-tests rusmo [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] running `Command { std: "docker" "inspect" "edc6d76f50bbc99b0a2ecde243c8b6d210195cf9b0ebf62161a9e3037da73cdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edc6d76f50bbc99b0a2ecde243c8b6d210195cf9b0ebf62161a9e3037da73cdf", kill_on_drop: false }` [INFO] [stdout] edc6d76f50bbc99b0a2ecde243c8b6d210195cf9b0ebf62161a9e3037da73cdf