[INFO] fetching crate pi_cancel_timer 0.2.0...
[INFO] checking pi_cancel_timer-0.2.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate pi_cancel_timer 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate pi_cancel_timer 0.2.0 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 crates.io crate pi_cancel_timer 0.2.0
[INFO] finished tweaking crates.io crate pi_cancel_timer 0.2.0
[INFO] tweaked toml for crates.io crate pi_cancel_timer 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_slot_wheel v0.2.0
[INFO] [stderr]   Downloaded pi_ext_heap v0.1.1
[INFO] [stderr]   Downloaded pcg_rand v0.13.0
[INFO] [stderr]   Downloaded pi_slot_deque v0.2.1
[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] e0456c3445b23cf53eed763802e26061137e31523b383a69eef3d70e25e8466d
[INFO] running `Command { std: "docker" "start" "-a" "e0456c3445b23cf53eed763802e26061137e31523b383a69eef3d70e25e8466d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0456c3445b23cf53eed763802e26061137e31523b383a69eef3d70e25e8466d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0456c3445b23cf53eed763802e26061137e31523b383a69eef3d70e25e8466d", kill_on_drop: false }`
[INFO] [stdout] e0456c3445b23cf53eed763802e26061137e31523b383a69eef3d70e25e8466d
[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] aacdd79eeab9855b26505173ea89eb5da5d11dbe59e6ae32c67d09534bdb3046
[INFO] running `Command { std: "docker" "start" "-a" "aacdd79eeab9855b26505173ea89eb5da5d11dbe59e6ae32c67d09534bdb3046", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking pi_ext_heap v0.1.1
[INFO] [stderr]     Checking pi_slot_deque v0.2.1
[INFO] [stderr]     Checking pi_slot_wheel v0.2.0
[INFO] [stderr]     Checking pi_cancel_timer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/lib.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let loc = self.heap.push(
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pcg_rand v0.13.0
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/lib.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let loc = self.heap.push(
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "aacdd79eeab9855b26505173ea89eb5da5d11dbe59e6ae32c67d09534bdb3046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aacdd79eeab9855b26505173ea89eb5da5d11dbe59e6ae32c67d09534bdb3046", kill_on_drop: false }`
[INFO] [stdout] aacdd79eeab9855b26505173ea89eb5da5d11dbe59e6ae32c67d09534bdb3046
[INFO] checking pi_cancel_timer-0.2.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate pi_cancel_timer 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate pi_cancel_timer 0.2.0 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 crates.io crate pi_cancel_timer 0.2.0
[INFO] finished tweaking crates.io crate pi_cancel_timer 0.2.0
[INFO] tweaked toml for crates.io crate pi_cancel_timer 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[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] c9952417202b260d04389bf4ca4687acc9de6af1bfe714ee4caceb7a744e1137
[INFO] running `Command { std: "docker" "start" "-a" "c9952417202b260d04389bf4ca4687acc9de6af1bfe714ee4caceb7a744e1137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9952417202b260d04389bf4ca4687acc9de6af1bfe714ee4caceb7a744e1137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9952417202b260d04389bf4ca4687acc9de6af1bfe714ee4caceb7a744e1137", kill_on_drop: false }`
[INFO] [stdout] c9952417202b260d04389bf4ca4687acc9de6af1bfe714ee4caceb7a744e1137
[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] 8e6882631c4aab69fdf173e25a522bcfa1e5ae4755899687017b75efacc19c3b
[INFO] running `Command { std: "docker" "start" "-a" "8e6882631c4aab69fdf173e25a522bcfa1e5ae4755899687017b75efacc19c3b", kill_on_drop: false }`
[INFO] [stderr]     Checking pi_ext_heap v0.1.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking pi_slot_deque v0.2.1
[INFO] [stderr]     Checking pi_slot_wheel v0.2.0
[INFO] [stderr]     Checking pi_cancel_timer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/lib.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let loc = self.heap.push(
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pcg_rand v0.13.0
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/lib.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let loc = self.heap.push(
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "8e6882631c4aab69fdf173e25a522bcfa1e5ae4755899687017b75efacc19c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6882631c4aab69fdf173e25a522bcfa1e5ae4755899687017b75efacc19c3b", kill_on_drop: false }`
[INFO] [stdout] 8e6882631c4aab69fdf173e25a522bcfa1e5ae4755899687017b75efacc19c3b