[INFO] fetching crate htmeta 0.1.0...
[INFO] checking htmeta-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate htmeta 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate htmeta 0.1.0 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 htmeta 0.1.0
[INFO] finished tweaking crates.io crate htmeta 0.1.0
[INFO] tweaked toml for crates.io crate htmeta 0.1.0 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 21 packages to latest compatible versions
[INFO] [stderr]       Adding miette v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding miette-derive v5.10.0 (latest: v7.2.0)
[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 utf8-width v0.1.7
[INFO] [stderr]   Downloaded kdl v4.6.0
[INFO] [stderr]   Downloaded html-escape v0.2.13
[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] d8d52517c6699327fdf7941bef6c1e88acf5ff70fb0c04868dbf7627dbe0ae19
[INFO] running `Command { std: "docker" "start" "-a" "d8d52517c6699327fdf7941bef6c1e88acf5ff70fb0c04868dbf7627dbe0ae19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d52517c6699327fdf7941bef6c1e88acf5ff70fb0c04868dbf7627dbe0ae19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d52517c6699327fdf7941bef6c1e88acf5ff70fb0c04868dbf7627dbe0ae19", kill_on_drop: false }`
[INFO] [stdout] d8d52517c6699327fdf7941bef6c1e88acf5ff70fb0c04868dbf7627dbe0ae19
[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] ffcd104859851e36f6df6ca8725913d2541ac1fac152b26301913ebab68654c8
[INFO] running `Command { std: "docker" "start" "-a" "ffcd104859851e36f6df6ca8725913d2541ac1fac152b26301913ebab68654c8", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking kdl v4.6.0
[INFO] [stderr]     Checking htmeta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_attribute` is never used
[INFO] [stdout]    --> src/lib.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn get_attribute<'a>(node: &'a KdlNode, name: &str) -> Option<&'a KdlValue> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_attribute` is never used
[INFO] [stdout]    --> src/lib.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn get_attribute<'a>(node: &'a KdlNode, name: &str) -> Option<&'a KdlValue> {
[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 3.90s
[INFO] running `Command { std: "docker" "inspect" "ffcd104859851e36f6df6ca8725913d2541ac1fac152b26301913ebab68654c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcd104859851e36f6df6ca8725913d2541ac1fac152b26301913ebab68654c8", kill_on_drop: false }`
[INFO] [stdout] ffcd104859851e36f6df6ca8725913d2541ac1fac152b26301913ebab68654c8
[INFO] checking htmeta-0.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate htmeta 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate htmeta 0.1.0 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 htmeta 0.1.0
[INFO] finished tweaking crates.io crate htmeta 0.1.0
[INFO] tweaked toml for crates.io crate htmeta 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding miette v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding miette-derive v5.10.0 (latest: v7.2.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 5adcd9156bd9fba6bc662748c5fa19e2913e719f5d669eda037101144b5673cc
[INFO] running `Command { std: "docker" "start" "-a" "5adcd9156bd9fba6bc662748c5fa19e2913e719f5d669eda037101144b5673cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5adcd9156bd9fba6bc662748c5fa19e2913e719f5d669eda037101144b5673cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5adcd9156bd9fba6bc662748c5fa19e2913e719f5d669eda037101144b5673cc", kill_on_drop: false }`
[INFO] [stdout] 5adcd9156bd9fba6bc662748c5fa19e2913e719f5d669eda037101144b5673cc
[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] b6ade72627e6f0af273f09d688fe41a83bfbe2e97f0d7f7c602d2aa5adc38276
[INFO] running `Command { std: "docker" "start" "-a" "b6ade72627e6f0af273f09d688fe41a83bfbe2e97f0d7f7c602d2aa5adc38276", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking kdl v4.6.0
[INFO] [stderr]     Checking htmeta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_attribute` is never used
[INFO] [stdout]    --> src/lib.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn get_attribute<'a>(node: &'a KdlNode, name: &str) -> Option<&'a KdlValue> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_attribute` is never used
[INFO] [stdout]    --> src/lib.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn get_attribute<'a>(node: &'a KdlNode, name: &str) -> Option<&'a KdlValue> {
[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 4.02s
[INFO] running `Command { std: "docker" "inspect" "b6ade72627e6f0af273f09d688fe41a83bfbe2e97f0d7f7c602d2aa5adc38276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ade72627e6f0af273f09d688fe41a83bfbe2e97f0d7f7c602d2aa5adc38276", kill_on_drop: false }`
[INFO] [stdout] b6ade72627e6f0af273f09d688fe41a83bfbe2e97f0d7f7c602d2aa5adc38276