[INFO] cloning repository https://github.com/giufus/wasm-swissknife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/giufus/wasm-swissknife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiufus%2Fwasm-swissknife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiufus%2Fwasm-swissknife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 755890451770f4fa72f44ece15d33f216ad67fa3
[INFO] checking giufus/wasm-swissknife against master#b115ea2e6a07e440e7cc18b08644fc0a2265391b for pr-139493-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiufus%2Fwasm-swissknife" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/giufus/wasm-swissknife
[INFO] finished tweaking git repo https://github.com/giufus/wasm-swissknife
[INFO] tweaked toml for git repo https://github.com/giufus/wasm-swissknife written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/giufus/wasm-swissknife on toolchain b115ea2e6a07e440e7cc18b08644fc0a2265391b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b115ea2e6a07e440e7cc18b08644fc0a2265391b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/giufus/wasm-swissknife 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" "+b115ea2e6a07e440e7cc18b08644fc0a2265391b" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b115ea2e6a07e440e7cc18b08644fc0a2265391b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e1e0a602ea64854a890f76bc6a3102e2a9218c5615cbc8d3db650007c1778de
[INFO] running `Command { std: "docker" "start" "-a" "2e1e0a602ea64854a890f76bc6a3102e2a9218c5615cbc8d3db650007c1778de", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b115ea2e6a07e440e7cc18b08644fc0a2265391b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 396a0d3959b6163a556e99b07ff2b20fb40fe3457939469efc1619bddd4491dd
[INFO] running `Command { std: "docker" "start" "-a" "396a0d3959b6163a556e99b07ff2b20fb40fe3457939469efc1619bddd4491dd", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-derive v0.4.2
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[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/art.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/art.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/art.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     mut buffer: &mut Vec<u8>,
[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 does not need to be mutable
[INFO] [stdout]   --> src/art.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     mut buffer_size: &mut Vec<u32>,
[INFO] [stdout]    |     ----^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/art.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     mut buffer: &mut Vec<u8>,
[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 does not need to be mutable
[INFO] [stdout]   --> src/art.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     mut buffer_size: &mut Vec<u32>,
[INFO] [stdout]    |     ----^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut dyn_img =
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut dyn_img =
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Format` is never used
[INFO] [stdout]  --> src/art.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Format {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Format` is never used
[INFO] [stdout]  --> src/art.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Format {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_format` is never used
[INFO] [stdout]   --> src/art.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn get_format(rate: f32, width: u32, height: u32) -> (Format, u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_format` is never used
[INFO] [stdout]   --> src/art.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn get_format(rate: f32, width: u32, height: u32) -> (Format, u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_W` should have a snake case name
[INFO] [stdout]   --> src/art.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let new_W = (width as f32 / 100.0 * rate).round() as u32;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case (notice the capitalization): `new_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_H` should have a snake case name
[INFO] [stdout]   --> src/art.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let new_H = (height as f32 / 100.0 * rate).round() as u32;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `new_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_W` should have a snake case name
[INFO] [stdout]   --> src/art.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let new_W = (width as f32 / 100.0 * rate).round() as u32;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case (notice the capitalization): `new_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_H` should have a snake case name
[INFO] [stdout]   --> src/art.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let new_H = (height as f32 / 100.0 * rate).round() as u32;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `new_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.59s
[INFO] running `Command { std: "docker" "inspect" "396a0d3959b6163a556e99b07ff2b20fb40fe3457939469efc1619bddd4491dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396a0d3959b6163a556e99b07ff2b20fb40fe3457939469efc1619bddd4491dd", kill_on_drop: false }`
[INFO] [stdout] 396a0d3959b6163a556e99b07ff2b20fb40fe3457939469efc1619bddd4491dd