[INFO] cloning repository https://github.com/Giom24/Bouncy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Giom24/Bouncy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiom24%2FBouncy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiom24%2FBouncy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3bc070f260decd17e9ffda8f6864b9e984a9a46c [INFO] checking Giom24/Bouncy against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiom24%2FBouncy" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Giom24/Bouncy on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Giom24/Bouncy [INFO] finished tweaking git repo https://github.com/Giom24/Bouncy [INFO] tweaked toml for git repo https://github.com/Giom24/Bouncy written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Giom24/Bouncy already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", 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] 626c565b026c0f36650d1cea117ec8c3e8e0e3163e52df364bdb15e41956ca37 [INFO] running `Command { std: "docker" "start" "-a" "626c565b026c0f36650d1cea117ec8c3e8e0e3163e52df364bdb15e41956ca37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "626c565b026c0f36650d1cea117ec8c3e8e0e3163e52df364bdb15e41956ca37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "626c565b026c0f36650d1cea117ec8c3e8e0e3163e52df364bdb15e41956ca37", kill_on_drop: false }` [INFO] [stdout] 626c565b026c0f36650d1cea117ec8c3e8e0e3163e52df364bdb15e41956ca37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df20caffaeb13b5b0dc2170b15e058c4ff1b193243d059878cb2e12764b20b74 [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" "df20caffaeb13b5b0dc2170b15e058c4ff1b193243d059878cb2e12764b20b74", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking bitflags v1.2.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling ncurses v5.99.0 [INFO] [stderr] Checking pancurses v0.16.1 [INFO] [stderr] Checking bouncy v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (1 fix) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | write!(fmt, "+"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | write!(fmt, "-"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | write!(fmt, "|"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | write!(fmt, "{}", c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | write!(fmt, "|\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | write!(fmt, "+"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | write!(fmt, "-"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | write!(fmt, "|"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | write!(fmt, "{}", c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | write!(fmt, "|\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.20s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking bouncy v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | write!(fmt, "+"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | write!(fmt, "-"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | write!(fmt, "|"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | write!(fmt, "{}", c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | write!(fmt, "|\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | write!(fmt, "+"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | write!(fmt, "-"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | write!(fmt, "|"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | write!(fmt, "{}", c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | write!(fmt, "|\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "df20caffaeb13b5b0dc2170b15e058c4ff1b193243d059878cb2e12764b20b74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df20caffaeb13b5b0dc2170b15e058c4ff1b193243d059878cb2e12764b20b74", kill_on_drop: false }` [INFO] [stdout] df20caffaeb13b5b0dc2170b15e058c4ff1b193243d059878cb2e12764b20b74