[INFO] fetching crate xcf-rs 0.5.0...
[INFO] checking xcf-rs-0.5.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate xcf-rs 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate xcf-rs 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xcf-rs 0.5.0
[INFO] tweaked toml for crates.io crate xcf-rs 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xcf-rs 0.5.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xcf-rs 0.5.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88f0c8681d1a36d712aa3a6ec0c5ad17f5cb30084e4fc3554e38509a0bd96e9e
[INFO] running `Command { std: "docker" "start" "-a" "88f0c8681d1a36d712aa3a6ec0c5ad17f5cb30084e4fc3554e38509a0bd96e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f0c8681d1a36d712aa3a6ec0c5ad17f5cb30084e4fc3554e38509a0bd96e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f0c8681d1a36d712aa3a6ec0c5ad17f5cb30084e4fc3554e38509a0bd96e9e", kill_on_drop: false }`
[INFO] [stdout] 88f0c8681d1a36d712aa3a6ec0c5ad17f5cb30084e4fc3554e38509a0bd96e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69004d3f26b903bd0787a8926671ec915286ddfd7d4b915ed1ed1a4981b0f7cb
[INFO] running `Command { std: "docker" "start" "-a" "69004d3f26b903bd0787a8926671ec915286ddfd7d4b915ed1ed1a4981b0f7cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking hex-slice v0.1.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking xcf-rs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex_slice::AsHex`
[INFO] [stdout]  --> src/create.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use hex_slice::AsHex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex_slice::AsHex`
[INFO] [stdout]  --> src/create.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use hex_slice::AsHex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `guess_size` is never used
[INFO] [stdout]   --> src/data/property.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Property {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn guess_size(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:136:28
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn raw_rgba_buffer(&self) -> Cow<[RgbaPixel]> {
[INFO] [stdout]     |                            ^^^^^     ---------------- the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn raw_rgba_buffer(&self) -> Cow<'_, [RgbaPixel]> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `guess_size` is never used
[INFO] [stdout]   --> src/data/property.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Property {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn guess_size(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:136:28
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn raw_rgba_buffer(&self) -> Cow<[RgbaPixel]> {
[INFO] [stdout]     |                            ^^^^^     ---------------- the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn raw_rgba_buffer(&self) -> Cow<'_, [RgbaPixel]> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "69004d3f26b903bd0787a8926671ec915286ddfd7d4b915ed1ed1a4981b0f7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69004d3f26b903bd0787a8926671ec915286ddfd7d4b915ed1ed1a4981b0f7cb", kill_on_drop: false }`
[INFO] [stdout] 69004d3f26b903bd0787a8926671ec915286ddfd7d4b915ed1ed1a4981b0f7cb