[INFO] fetching crate laby_macros 0.3.0...
[INFO] checking laby_macros-0.3.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate laby_macros 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate laby_macros 0.3.0 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 laby_macros 0.3.0
[INFO] finished tweaking crates.io crate laby_macros 0.3.0
[INFO] tweaked toml for crates.io crate laby_macros 0.3.0 written to /workspace/builds/worker-6-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 10 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding raw-cpuid v10.7.0 (latest: v11.1.0)
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded laby_common v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bb289724035aaa6b1e6e95b6bc9679f048b15214a972c428588b948b9dcd4777
[INFO] running `Command { std: "docker" "start" "-a" "bb289724035aaa6b1e6e95b6bc9679f048b15214a972c428588b948b9dcd4777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb289724035aaa6b1e6e95b6bc9679f048b15214a972c428588b948b9dcd4777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb289724035aaa6b1e6e95b6bc9679f048b15214a972c428588b948b9dcd4777", kill_on_drop: false }`
[INFO] [stdout] bb289724035aaa6b1e6e95b6bc9679f048b15214a972c428588b948b9dcd4777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fd8b903e6320ef039530c725e17edc4459bc328404fd2d2c0eb4773efa2cd81a
[INFO] running `Command { std: "docker" "start" "-a" "fd8b903e6320ef039530c725e17edc4459bc328404fd2d2c0eb4773efa2cd81a", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoap v1.0.1
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking laby_common v0.2.0
[INFO] [stderr]     Checking laby_macros v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `element` is never read
[INFO] [stdout]   --> src/node.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 65 |     pub element: Element,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `element` is never read
[INFO] [stdout]   --> src/node.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 65 |     pub element: Element,
[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 1.84s
[INFO] running `Command { std: "docker" "inspect" "fd8b903e6320ef039530c725e17edc4459bc328404fd2d2c0eb4773efa2cd81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8b903e6320ef039530c725e17edc4459bc328404fd2d2c0eb4773efa2cd81a", kill_on_drop: false }`
[INFO] [stdout] fd8b903e6320ef039530c725e17edc4459bc328404fd2d2c0eb4773efa2cd81a
[INFO] checking laby_macros-0.3.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate laby_macros 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate laby_macros 0.3.0 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 laby_macros 0.3.0
[INFO] finished tweaking crates.io crate laby_macros 0.3.0
[INFO] tweaked toml for crates.io crate laby_macros 0.3.0 written to /workspace/builds/worker-6-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 10 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding raw-cpuid v10.7.0 (latest: v11.1.0)
[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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 55a53cadebd934087e62234f8f2efafc6fa1fddc0ef083dc0db6f46be8c5b82c
[INFO] running `Command { std: "docker" "start" "-a" "55a53cadebd934087e62234f8f2efafc6fa1fddc0ef083dc0db6f46be8c5b82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55a53cadebd934087e62234f8f2efafc6fa1fddc0ef083dc0db6f46be8c5b82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a53cadebd934087e62234f8f2efafc6fa1fddc0ef083dc0db6f46be8c5b82c", kill_on_drop: false }`
[INFO] [stdout] 55a53cadebd934087e62234f8f2efafc6fa1fddc0ef083dc0db6f46be8c5b82c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cbddc612fe068ad4d67564723067f454e07f069119dc8db297722520dcbd032b
[INFO] running `Command { std: "docker" "start" "-a" "cbddc612fe068ad4d67564723067f454e07f069119dc8db297722520dcbd032b", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoap v1.0.1
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking laby_common v0.2.0
[INFO] [stderr]     Checking laby_macros v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `element` is never read
[INFO] [stdout]   --> src/node.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 65 |     pub element: Element,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `element` is never read
[INFO] [stdout]   --> src/node.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 65 |     pub element: Element,
[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 1.87s
[INFO] running `Command { std: "docker" "inspect" "cbddc612fe068ad4d67564723067f454e07f069119dc8db297722520dcbd032b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbddc612fe068ad4d67564723067f454e07f069119dc8db297722520dcbd032b", kill_on_drop: false }`
[INFO] [stdout] cbddc612fe068ad4d67564723067f454e07f069119dc8db297722520dcbd032b