[INFO] fetching crate tmux_min_attacher 1.0.0... [INFO] testing tmux_min_attacher-1.0.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate tmux_min_attacher 1.0.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate tmux_min_attacher 1.0.0 [INFO] finished tweaking crates.io crate tmux_min_attacher 1.0.0 [INFO] tweaked toml for crates.io crate tmux_min_attacher 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tmux_min_attacher 1.0.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] [stderr] Adding nix v0.5.1 (available: v0.30.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 556e7493bbdeaed85358fa2af61618a664902eb097b070552d42078a33f666fa [INFO] running `Command { std: "docker" "start" "-a" "556e7493bbdeaed85358fa2af61618a664902eb097b070552d42078a33f666fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "556e7493bbdeaed85358fa2af61618a664902eb097b070552d42078a33f666fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "556e7493bbdeaed85358fa2af61618a664902eb097b070552d42078a33f666fa", kill_on_drop: false }` [INFO] [stdout] 556e7493bbdeaed85358fa2af61618a664902eb097b070552d42078a33f666fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54ed020b455ba0088d81146c19494b07c9a34dd715e837475811665cbd1b8b1f [INFO] running `Command { std: "docker" "start" "-a" "54ed020b455ba0088d81146c19494b07c9a34dd715e837475811665cbd1b8b1f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling tmux_min_attacher v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:44:64 [INFO] [stdout] | [INFO] [stdout] 44 | println!("execvp of {:?} failed: {:?}", program, e.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "54ed020b455ba0088d81146c19494b07c9a34dd715e837475811665cbd1b8b1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54ed020b455ba0088d81146c19494b07c9a34dd715e837475811665cbd1b8b1f", kill_on_drop: false }` [INFO] [stdout] 54ed020b455ba0088d81146c19494b07c9a34dd715e837475811665cbd1b8b1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4979f8c9d0a7d170ab04308677dd2a17f1615d41807ada0d9d68415f6ad04a95 [INFO] running `Command { std: "docker" "start" "-a" "4979f8c9d0a7d170ab04308677dd2a17f1615d41807ada0d9d68415f6ad04a95", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling tmux_min_attacher v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:44:64 [INFO] [stdout] | [INFO] [stdout] 44 | println!("execvp of {:?} failed: {:?}", program, e.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:94:27 [INFO] [stdout] | [INFO] [stdout] 94 | Some(n) => panic!(format!("Should have returned 11, got {}!", n)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 94 - Some(n) => panic!(format!("Should have returned 11, got {}!", n)), [INFO] [stdout] 94 + Some(n) => panic!("Should have returned 11, got {}!", n), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:102:27 [INFO] [stdout] | [INFO] [stdout] 102 | Some(n) => panic!(format!("Should have returned None, got {}!", n)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 102 - Some(n) => panic!(format!("Should have returned None, got {}!", n)), [INFO] [stdout] 102 + Some(n) => panic!("Should have returned None, got {}!", n), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:110:27 [INFO] [stdout] | [INFO] [stdout] 110 | Some(n) => panic!(format!("Should have returned None, got {}!", n)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 110 - Some(n) => panic!(format!("Should have returned None, got {}!", n)), [INFO] [stdout] 110 + Some(n) => panic!("Should have returned None, got {}!", n), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "4979f8c9d0a7d170ab04308677dd2a17f1615d41807ada0d9d68415f6ad04a95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4979f8c9d0a7d170ab04308677dd2a17f1615d41807ada0d9d68415f6ad04a95", kill_on_drop: false }` [INFO] [stdout] 4979f8c9d0a7d170ab04308677dd2a17f1615d41807ada0d9d68415f6ad04a95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f629427d836f9fc1099f2cda3dad9f5304d474080bf102542ac5665f562ed1bb [INFO] running `Command { std: "docker" "start" "-a" "f629427d836f9fc1099f2cda3dad9f5304d474080bf102542ac5665f562ed1bb", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:44:64 [INFO] [stderr] | [INFO] [stderr] 44 | println!("execvp of {:?} failed: {:?}", program, e.description()); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:94:27 [INFO] [stderr] | [INFO] [stderr] 94 | Some(n) => panic!(format!("Should have returned 11, got {}!", n)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 94 - Some(n) => panic!(format!("Should have returned 11, got {}!", n)), [INFO] [stderr] 94 + Some(n) => panic!("Should have returned 11, got {}!", n), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:102:27 [INFO] [stderr] | [INFO] [stderr] 102 | Some(n) => panic!(format!("Should have returned None, got {}!", n)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 102 - Some(n) => panic!(format!("Should have returned None, got {}!", n)), [INFO] [stderr] 102 + Some(n) => panic!("Should have returned None, got {}!", n), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:110:27 [INFO] [stderr] | [INFO] [stderr] 110 | Some(n) => panic!(format!("Should have returned None, got {}!", n)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 110 - Some(n) => panic!(format!("Should have returned None, got {}!", n)), [INFO] [stderr] 110 + Some(n) => panic!("Should have returned None, got {}!", n), [INFO] [stderr] | [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: `tmux_min_attacher` (bin "tmux_min_attacher" test) generated 4 warnings (run `cargo fix --bin "tmux_min_attacher" --tests` to apply 3 suggestions) [INFO] [stdout] running 4 tests [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tmux_min_attacher-09f0b871d2c39adc) [INFO] [stdout] test test_detached_sessions ... ok [INFO] [stdout] test test_session_number_with_attached_session ... ok [INFO] [stdout] test test_session_number_with_numbers ... ok [INFO] [stdout] test test_session_number_with_strings ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f629427d836f9fc1099f2cda3dad9f5304d474080bf102542ac5665f562ed1bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f629427d836f9fc1099f2cda3dad9f5304d474080bf102542ac5665f562ed1bb", kill_on_drop: false }` [INFO] [stdout] f629427d836f9fc1099f2cda3dad9f5304d474080bf102542ac5665f562ed1bb