[INFO] fetching crate zipimgzip 0.4.2...
[INFO] building zipimgzip-0.4.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate zipimgzip 0.4.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate zipimgzip 0.4.2
[INFO] finished tweaking crates.io crate zipimgzip 0.4.2
[INFO] tweaked toml for crates.io crate zipimgzip 0.4.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zipimgzip 0.4.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zipimgzip 0.4.2 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00a5436d26b9521faa32681bbaf9d0663726aef5e1142d59546252709fbc9e7c
[INFO] running `Command { std: "docker" "start" "-a" "00a5436d26b9521faa32681bbaf9d0663726aef5e1142d59546252709fbc9e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00a5436d26b9521faa32681bbaf9d0663726aef5e1142d59546252709fbc9e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a5436d26b9521faa32681bbaf9d0663726aef5e1142d59546252709fbc9e7c", kill_on_drop: false }`
[INFO] [stdout] 00a5436d26b9521faa32681bbaf9d0663726aef5e1142d59546252709fbc9e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a5a604e07f8822a988c9d8ca224a95148ac4fc9f1983eda7998946605e6f00d
[INFO] running `Command { std: "docker" "start" "-a" "2a5a604e07f8822a988c9d8ca224a95148ac4fc9f1983eda7998946605e6f00d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling profiling v1.0.15
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling exr v1.5.2
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ravif v0.11.10
[INFO] [stderr]    Compiling image v0.25.2
[INFO] [stderr]    Compiling zipimgzip v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `start_name` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:328:17
[INFO] [stdout]     |
[INFO] [stdout] 328 |             let start_name: &str;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_start_name` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start_name` is never read
[INFO] [stdout]    --> src/lib.rs:330:28
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Some(r) => start_name = r,
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_outpath`
[INFO] [stdout]    --> src/lib.rs:338:21
[INFO] [stdout]     |
[INFO] [stdout] 338 |             let mut new_outpath = self.out_names[count_i].clone();
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_outpath`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:338:17
[INFO] [stdout]     |
[INFO] [stdout] 338 |             let mut new_outpath = self.out_names[count_i].clone();
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `res_start_name` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:677:9
[INFO] [stdout]     |
[INFO] [stdout] 677 |     let res_start_name;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_res_start_name` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res_start_name` is never read
[INFO] [stdout]    --> src/lib.rs:680:20
[INFO] [stdout]     |
[INFO] [stdout] 680 |         Some(r) => res_start_name = r,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.12s
[INFO] running `Command { std: "docker" "inspect" "2a5a604e07f8822a988c9d8ca224a95148ac4fc9f1983eda7998946605e6f00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5a604e07f8822a988c9d8ca224a95148ac4fc9f1983eda7998946605e6f00d", kill_on_drop: false }`
[INFO] [stdout] 2a5a604e07f8822a988c9d8ca224a95148ac4fc9f1983eda7998946605e6f00d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d134cc5a8ef28d5aecf7a8d59d9416eb7c3013cc5c16d6a0dc710236d71b095
[INFO] running `Command { std: "docker" "start" "-a" "6d134cc5a8ef28d5aecf7a8d59d9416eb7c3013cc5c16d6a0dc710236d71b095", kill_on_drop: false }`
[INFO] [stderr]    Compiling zipimgzip v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `start_name` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:328:17
[INFO] [stdout]     |
[INFO] [stdout] 328 |             let start_name: &str;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_start_name` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start_name` is never read
[INFO] [stdout]    --> src/lib.rs:330:28
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Some(r) => start_name = r,
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_outpath`
[INFO] [stdout]    --> src/lib.rs:338:21
[INFO] [stdout]     |
[INFO] [stdout] 338 |             let mut new_outpath = self.out_names[count_i].clone();
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_outpath`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:338:17
[INFO] [stdout]     |
[INFO] [stdout] 338 |             let mut new_outpath = self.out_names[count_i].clone();
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `res_start_name` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:677:9
[INFO] [stdout]     |
[INFO] [stdout] 677 |     let res_start_name;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_res_start_name` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res_start_name` is never read
[INFO] [stdout]    --> src/lib.rs:680:20
[INFO] [stdout]     |
[INFO] [stdout] 680 |         Some(r) => res_start_name = r,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `start_name` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:328:17
[INFO] [stdout]     |
[INFO] [stdout] 328 |             let start_name: &str;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_start_name` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start_name` is never read
[INFO] [stdout]    --> src/lib.rs:330:28
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Some(r) => start_name = r,
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_outpath`
[INFO] [stdout]    --> src/lib.rs:338:21
[INFO] [stdout]     |
[INFO] [stdout] 338 |             let mut new_outpath = self.out_names[count_i].clone();
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_outpath`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:338:17
[INFO] [stdout]     |
[INFO] [stdout] 338 |             let mut new_outpath = self.out_names[count_i].clone();
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `res_start_name` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:677:9
[INFO] [stdout]     |
[INFO] [stdout] 677 |     let res_start_name;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_res_start_name` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res_start_name` is never read
[INFO] [stdout]    --> src/lib.rs:680:20
[INFO] [stdout]     |
[INFO] [stdout] 680 |         Some(r) => res_start_name = r,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "6d134cc5a8ef28d5aecf7a8d59d9416eb7c3013cc5c16d6a0dc710236d71b095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d134cc5a8ef28d5aecf7a8d59d9416eb7c3013cc5c16d6a0dc710236d71b095", kill_on_drop: false }`
[INFO] [stdout] 6d134cc5a8ef28d5aecf7a8d59d9416eb7c3013cc5c16d6a0dc710236d71b095
