[INFO] fetching crate tiff2 0.0.4...
[INFO] checking tiff2-0.0.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate tiff2 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tiff2 0.0.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tiff2 0.0.4
[INFO] tweaked toml for crates.io crate tiff2 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiff2 0.0.4 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tiff2 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 344b67167a277477a00f873d57cac055dac3eccc96759d217d5b341a2a668818
[INFO] running `Command { std: "docker" "start" "-a" "344b67167a277477a00f873d57cac055dac3eccc96759d217d5b341a2a668818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "344b67167a277477a00f873d57cac055dac3eccc96759d217d5b341a2a668818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344b67167a277477a00f873d57cac055dac3eccc96759d217d5b341a2a668818", kill_on_drop: false }`
[INFO] [stdout] 344b67167a277477a00f873d57cac055dac3eccc96759d217d5b341a2a668818
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f61edf01b94214b733864fd6aa2dc24cba6404ee640cd386e97c20c70b5f72a
[INFO] running `Command { std: "docker" "start" "-a" "6f61edf01b94214b733864fd6aa2dc24cba6404ee640cd386e97c20c70b5f72a", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> examples/geotiff_test.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::BTreeMap, fs, path::Path, time::Instant};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tags::PhotometricInterpretation::*`
[INFO] [stdout]   --> examples/common.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     structs::{tags::PhotometricInterpretation::*, ChunkOpts},
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tags::PhotometricInterpretation::*`
[INFO] [stdout]   --> examples/common.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     structs::{tags::PhotometricInterpretation::*, ChunkOpts},
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut data: Cow<str> = Cow::Borrowed("hello world");
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/test.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut user2 = data.clone();
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tags::PhotometricInterpretation::*`
[INFO] [stdout]   --> examples/common.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     structs::{tags::PhotometricInterpretation::*, ChunkOpts},
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIFFS` is never used
[INFO] [stdout]   --> examples/geotiff_test.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const TIFFS: &[&str] = &[
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RGBTIFFS` is never used
[INFO] [stdout]   --> examples/geotiff_test.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | const RGBTIFFS: &[&str] = &[
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "6f61edf01b94214b733864fd6aa2dc24cba6404ee640cd386e97c20c70b5f72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f61edf01b94214b733864fd6aa2dc24cba6404ee640cd386e97c20c70b5f72a", kill_on_drop: false }`
[INFO] [stdout] 6f61edf01b94214b733864fd6aa2dc24cba6404ee640cd386e97c20c70b5f72a