[INFO] fetching crate nos 0.1.11...
[INFO] checking nos-0.1.11 against try#1b0139f5bdae7328e6d232947a8112333bb44eeb for pr-93394
[INFO] extracting crate nos 0.1.11 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate nos 0.1.11 on toolchain 1b0139f5bdae7328e6d232947a8112333bb44eeb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nos 0.1.11
[INFO] finished tweaking crates.io crate nos 0.1.11
[INFO] tweaked toml for crates.io crate nos 0.1.11 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate nos 0.1.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 740bbe2df288c294d50ed17a3d18fed178fab724a0165d089d2ca2aea35f4d91
[INFO] running `Command { std: "docker" "start" "-a" "740bbe2df288c294d50ed17a3d18fed178fab724a0165d089d2ca2aea35f4d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "740bbe2df288c294d50ed17a3d18fed178fab724a0165d089d2ca2aea35f4d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740bbe2df288c294d50ed17a3d18fed178fab724a0165d089d2ca2aea35f4d91", kill_on_drop: false }`
[INFO] [stdout] 740bbe2df288c294d50ed17a3d18fed178fab724a0165d089d2ca2aea35f4d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15e42f7c90cc4e074a12e01963eaec8501729853041d6152fca0f86664e2ea08
[INFO] running `Command { std: "docker" "start" "-a" "15e42f7c90cc4e074a12e01963eaec8501729853041d6152fca0f86664e2ea08", kill_on_drop: false }`
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[INFO] [stdout] warning: field is never read: `mathml_annotation_xml_integration_point`
[INFO] [stdout]     --> src/dom_tree.rs:1000:5
[INFO] [stdout]      |
[INFO] [stdout] 1000 |     mathml_annotation_xml_integration_point: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Element` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     --> src/dom_tree.rs:987:10
[INFO] [stdout]      |
[INFO] [stdout] 987  | #[derive(Debug, Clone)]
[INFO] [stdout]      |          ^^^^^  ^^^^^
[INFO] [stdout]      = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> examples/readability2.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mathml_annotation_xml_integration_point`
[INFO] [stdout]     --> src/dom_tree.rs:1000:5
[INFO] [stdout]      |
[INFO] [stdout] 1000 |     mathml_annotation_xml_integration_point: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Element` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     --> src/dom_tree.rs:987:10
[INFO] [stdout]      |
[INFO] [stdout] 987  | #[derive(Debug, Clone)]
[INFO] [stdout]      |          ^^^^^  ^^^^^
[INFO] [stdout]      = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_read_time`
[INFO] [stdout]    --> examples/readability.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     min_read_time: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MetaData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> examples/readability.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_read_time`
[INFO] [stdout]    --> examples/readability.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     max_read_time: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `MetaData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> examples/readability.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.19s
[INFO] running `Command { std: "docker" "inspect" "15e42f7c90cc4e074a12e01963eaec8501729853041d6152fca0f86664e2ea08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e42f7c90cc4e074a12e01963eaec8501729853041d6152fca0f86664e2ea08", kill_on_drop: false }`
[INFO] [stdout] 15e42f7c90cc4e074a12e01963eaec8501729853041d6152fca0f86664e2ea08