[INFO] cloning repository https://github.com/smj-edison/buddy-system [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smj-edison/buddy-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmj-edison%2Fbuddy-system", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmj-edison%2Fbuddy-system'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61fbdfadb0ee52913b84b17b54efddb61b602bc3 [INFO] checking smj-edison/buddy-system against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmj-edison%2Fbuddy-system" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smj-edison/buddy-system on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/smj-edison/buddy-system [INFO] finished tweaking git repo https://github.com/smj-edison/buddy-system [INFO] tweaked toml for git repo https://github.com/smj-edison/buddy-system written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/smj-edison/buddy-system 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded generational-arena v0.2.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b28ea2ce1afe6d1cf8f88c24e2da68d528c0f97f71311c26fdb0c1686a21369 [INFO] running `Command { std: "docker" "start" "-a" "9b28ea2ce1afe6d1cf8f88c24e2da68d528c0f97f71311c26fdb0c1686a21369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b28ea2ce1afe6d1cf8f88c24e2da68d528c0f97f71311c26fdb0c1686a21369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b28ea2ce1afe6d1cf8f88c24e2da68d528c0f97f71311c26fdb0c1686a21369", kill_on_drop: false }` [INFO] [stdout] 9b28ea2ce1afe6d1cf8f88c24e2da68d528c0f97f71311c26fdb0c1686a21369 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbdde6ed74331b04e2ae30aa5953e210cfbb6983b30aed23ab613b5e289ae496 [INFO] running `Command { std: "docker" "start" "-a" "bbdde6ed74331b04e2ae30aa5953e210cfbb6983b30aed23ab613b5e289ae496", kill_on_drop: false }` [INFO] [stderr] Checking generational-arena v0.2.9 [INFO] [stderr] Checking buddy-system v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `pretty_print::prettify` [INFO] [stdout] --> src/arena.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | pretty_print::prettify, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/arena.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 173 | let a1 = arena.alloc(64).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/arena.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | let a2 = arena.alloc(24).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a3` [INFO] [stdout] --> src/arena.rs:175:9 [INFO] [stdout] | [INFO] [stdout] 175 | let a3 = arena.alloc(2).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a4` [INFO] [stdout] --> src/arena.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | let a4 = arena.alloc(7).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a5` [INFO] [stdout] --> src/arena.rs:177:9 [INFO] [stdout] | [INFO] [stdout] 177 | let a5 = arena.alloc(31).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a6` [INFO] [stdout] --> src/arena.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | let a6 = arena.alloc(60).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "bbdde6ed74331b04e2ae30aa5953e210cfbb6983b30aed23ab613b5e289ae496", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbdde6ed74331b04e2ae30aa5953e210cfbb6983b30aed23ab613b5e289ae496", kill_on_drop: false }` [INFO] [stdout] bbdde6ed74331b04e2ae30aa5953e210cfbb6983b30aed23ab613b5e289ae496 [INFO] checking smj-edison/buddy-system against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmj-edison%2Fbuddy-system" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smj-edison/buddy-system on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/smj-edison/buddy-system [INFO] finished tweaking git repo https://github.com/smj-edison/buddy-system [INFO] tweaked toml for git repo https://github.com/smj-edison/buddy-system written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/smj-edison/buddy-system 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51acb6db106890cb619d4169576e1d38bf7c87b3939412ec9c0596853f48a3eb [INFO] running `Command { std: "docker" "start" "-a" "51acb6db106890cb619d4169576e1d38bf7c87b3939412ec9c0596853f48a3eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51acb6db106890cb619d4169576e1d38bf7c87b3939412ec9c0596853f48a3eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51acb6db106890cb619d4169576e1d38bf7c87b3939412ec9c0596853f48a3eb", kill_on_drop: false }` [INFO] [stdout] 51acb6db106890cb619d4169576e1d38bf7c87b3939412ec9c0596853f48a3eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27945fec84015cba18480e9adb20eb9fda3b419585db23c4137a0d444c3e09ed [INFO] running `Command { std: "docker" "start" "-a" "27945fec84015cba18480e9adb20eb9fda3b419585db23c4137a0d444c3e09ed", kill_on_drop: false }` [INFO] [stderr] Checking generational-arena v0.2.9 [INFO] [stderr] Checking buddy-system v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `pretty_print::prettify` [INFO] [stdout] --> src/arena.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | pretty_print::prettify, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/arena.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 173 | let a1 = arena.alloc(64).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/arena.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | let a2 = arena.alloc(24).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a3` [INFO] [stdout] --> src/arena.rs:175:9 [INFO] [stdout] | [INFO] [stdout] 175 | let a3 = arena.alloc(2).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a4` [INFO] [stdout] --> src/arena.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | let a4 = arena.alloc(7).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a5` [INFO] [stdout] --> src/arena.rs:177:9 [INFO] [stdout] | [INFO] [stdout] 177 | let a5 = arena.alloc(31).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a6` [INFO] [stdout] --> src/arena.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | let a6 = arena.alloc(60).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "27945fec84015cba18480e9adb20eb9fda3b419585db23c4137a0d444c3e09ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27945fec84015cba18480e9adb20eb9fda3b419585db23c4137a0d444c3e09ed", kill_on_drop: false }` [INFO] [stdout] 27945fec84015cba18480e9adb20eb9fda3b419585db23c4137a0d444c3e09ed