[INFO] cloning repository https://github.com/johnward/bft [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnward/bft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c167d9a66aece1c6c434135eb96da1e202ac5bc1 [INFO] testing johnward/bft against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/johnward/bft on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/johnward/bft [INFO] finished tweaking git repo https://github.com/johnward/bft [INFO] tweaked toml for git repo https://github.com/johnward/bft written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/johnward/bft already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 96d011e0b05b14f532b240befbf188e04511c94882c839c020d05c2d21f8a7c2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "96d011e0b05b14f532b240befbf188e04511c94882c839c020d05c2d21f8a7c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96d011e0b05b14f532b240befbf188e04511c94882c839c020d05c2d21f8a7c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96d011e0b05b14f532b240befbf188e04511c94882c839c020d05c2d21f8a7c2", kill_on_drop: false }` [INFO] [stdout] 96d011e0b05b14f532b240befbf188e04511c94882c839c020d05c2d21f8a7c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2fe103fbf60e811e039fe6cf79344526d992a556125a1d4c16f474f8dd399921 [INFO] running `Command { std: "docker" "start" "-a" "2fe103fbf60e811e039fe6cf79344526d992a556125a1d4c16f474f8dd399921", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling bft_types v0.1.0 (/opt/rustwide/workdir/bft_types) [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling bft_interp v0.1.0 (/opt/rustwide/workdir/bft_interp) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> bft_interp/src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 50 - (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stdout] 50 + number_to_add - ((u8::max_value() - current_number) + 1) // + 1 to take into account the zero [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> bft_interp/src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 59 - (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stdout] 59 + u8::max_value() - ((number_to_sub - current_number) - 1) // - 1 to take into account the zero [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `can_grow` [INFO] [stdout] --> bft_interp/src/lib.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | can_grow: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `BFVirtualMachine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> bft_interp/src/lib.rs:98:10 [INFO] [stdout] | [INFO] [stdout] 98 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling bft v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.19s [INFO] running `Command { std: "docker" "inspect" "2fe103fbf60e811e039fe6cf79344526d992a556125a1d4c16f474f8dd399921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fe103fbf60e811e039fe6cf79344526d992a556125a1d4c16f474f8dd399921", kill_on_drop: false }` [INFO] [stdout] 2fe103fbf60e811e039fe6cf79344526d992a556125a1d4c16f474f8dd399921 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f9f3e95045ccbd8a4788e3e7218299a72d89e4fbf9696ab892ded726b51a6ca0 [INFO] running `Command { std: "docker" "start" "-a" "f9f3e95045ccbd8a4788e3e7218299a72d89e4fbf9696ab892ded726b51a6ca0", kill_on_drop: false }` [INFO] [stderr] Compiling bft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> bft_interp/src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 50 - (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stdout] 50 + number_to_add - ((u8::max_value() - current_number) + 1) // + 1 to take into account the zero [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> bft_interp/src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 59 - (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stdout] 59 + u8::max_value() - ((number_to_sub - current_number) - 1) // - 1 to take into account the zero [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `can_grow` [INFO] [stdout] --> bft_interp/src/lib.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | can_grow: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `BFVirtualMachine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> bft_interp/src/lib.rs:98:10 [INFO] [stdout] | [INFO] [stdout] 98 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `Command { std: "docker" "inspect" "f9f3e95045ccbd8a4788e3e7218299a72d89e4fbf9696ab892ded726b51a6ca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9f3e95045ccbd8a4788e3e7218299a72d89e4fbf9696ab892ded726b51a6ca0", kill_on_drop: false }` [INFO] [stdout] f9f3e95045ccbd8a4788e3e7218299a72d89e4fbf9696ab892ded726b51a6ca0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7d09432e562073991d8d4d13324007e15129d76138b58179e3b0dd15a553cf44 [INFO] running `Command { std: "docker" "start" "-a" "7d09432e562073991d8d4d13324007e15129d76138b58179e3b0dd15a553cf44", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> bft_interp/src/lib.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 50 - (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stderr] 50 + number_to_add - ((u8::max_value() - current_number) + 1) // + 1 to take into account the zero [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> bft_interp/src/lib.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 59 - (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stderr] 59 + u8::max_value() - ((number_to_sub - current_number) - 1) // - 1 to take into account the zero [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field is never read: `can_grow` [INFO] [stderr] --> bft_interp/src/lib.rs:103:5 [INFO] [stderr] | [INFO] [stderr] 103 | can_grow: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `BFVirtualMachine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> bft_interp/src/lib.rs:98:10 [INFO] [stderr] | [INFO] [stderr] 98 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `bft_interp` (lib) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bft-deafae3aeb1dab24) [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" "7d09432e562073991d8d4d13324007e15129d76138b58179e3b0dd15a553cf44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d09432e562073991d8d4d13324007e15129d76138b58179e3b0dd15a553cf44", kill_on_drop: false }` [INFO] [stdout] 7d09432e562073991d8d4d13324007e15129d76138b58179e3b0dd15a553cf44