[INFO] fetching crate rutter_layout 0.1.0...
[INFO] checking rutter_layout-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate rutter_layout 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rutter_layout 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rutter_layout 0.1.0
[INFO] finished tweaking crates.io crate rutter_layout 0.1.0
[INFO] tweaked toml for crates.io crate rutter_layout 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded freelist v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcb8403183a4a36777ccff195c79baf2c8fa337f2c38e9322dbf99584c78ab14
[INFO] running `Command { std: "docker" "start" "-a" "bcb8403183a4a36777ccff195c79baf2c8fa337f2c38e9322dbf99584c78ab14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcb8403183a4a36777ccff195c79baf2c8fa337f2c38e9322dbf99584c78ab14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb8403183a4a36777ccff195c79baf2c8fa337f2c38e9322dbf99584c78ab14", kill_on_drop: false }`
[INFO] [stdout] bcb8403183a4a36777ccff195c79baf2c8fa337f2c38e9322dbf99584c78ab14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64b9e96c8f66fdb8cacbcf6ea323a33adf4350bc36392e2ecdb71244cfc05467
[INFO] running `Command { std: "docker" "start" "-a" "64b9e96c8f66fdb8cacbcf6ea323a33adf4350bc36392e2ecdb71244cfc05467", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking freelist v0.1.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking rutter_layout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `any_dirty_child_abs_pos` is never used
[INFO] [stdout]    --> src/layouter.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 335 | trait PositionedNodeT: std::fmt::Debug {
[INFO] [stdout]     |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 364 |     fn any_dirty_child_abs_pos(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `any_dirty_child_abs_pos` is never used
[INFO] [stdout]    --> src/layouter.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 335 | trait PositionedNodeT: std::fmt::Debug {
[INFO] [stdout]     |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 364 |     fn any_dirty_child_abs_pos(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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 6.53s
[INFO] running `Command { std: "docker" "inspect" "64b9e96c8f66fdb8cacbcf6ea323a33adf4350bc36392e2ecdb71244cfc05467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b9e96c8f66fdb8cacbcf6ea323a33adf4350bc36392e2ecdb71244cfc05467", kill_on_drop: false }`
[INFO] [stdout] 64b9e96c8f66fdb8cacbcf6ea323a33adf4350bc36392e2ecdb71244cfc05467