[INFO] cloning repository https://github.com/PinYu1618/pngme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PinYu1618/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinYu1618%2Fpngme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinYu1618%2Fpngme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5bc42e29576a8e61668364341a25045f497a907d [INFO] checking PinYu1618/pngme against try#3298c2ca5e390fd0d104357fdeec514a152a9561 for pr-136490 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinYu1618%2Fpngme" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PinYu1618/pngme on toolchain 3298c2ca5e390fd0d104357fdeec514a152a9561 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PinYu1618/pngme [INFO] finished tweaking git repo https://github.com/PinYu1618/pngme [INFO] tweaked toml for git repo https://github.com/PinYu1618/pngme written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/PinYu1618/pngme 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" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b369e5c180a13ce43aa13f1331b9a65d4f7aa4caab4887ac8fd57f532d1f4fe [INFO] running `Command { std: "docker" "start" "-a" "9b369e5c180a13ce43aa13f1331b9a65d4f7aa4caab4887ac8fd57f532d1f4fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b369e5c180a13ce43aa13f1331b9a65d4f7aa4caab4887ac8fd57f532d1f4fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b369e5c180a13ce43aa13f1331b9a65d4f7aa4caab4887ac8fd57f532d1f4fe", kill_on_drop: false }` [INFO] [stdout] 9b369e5c180a13ce43aa13f1331b9a65d4f7aa4caab4887ac8fd57f532d1f4fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9e52e2dbcdc699d7952a333e9d56bc0cbe85355b6117312e8f29fbfef5884e9 [INFO] running `Command { std: "docker" "start" "-a" "a9e52e2dbcdc699d7952a333e9d56bc0cbe85355b6117312e8f29fbfef5884e9", kill_on_drop: false }` [INFO] [stderr] Checking crc-catalog v2.4.0 [INFO] [stderr] Checking crc v3.2.1 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/chunk.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | io::{BufReader, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/chunk.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | let mut reader = BufReader::new(bytes); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/chunk.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | let mut buf = [0u8; 4]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chunk.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | let mut reader = BufReader::new(bytes); [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] --> src/chunk.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut buf = [0u8; 4]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/chunk.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | io::{BufReader, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/chunk.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | let mut reader = BufReader::new(bytes); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/chunk.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | let mut buf = [0u8; 4]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chunk.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | let mut reader = BufReader::new(bytes); [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] --> src/chunk.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut buf = [0u8; 4]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "a9e52e2dbcdc699d7952a333e9d56bc0cbe85355b6117312e8f29fbfef5884e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9e52e2dbcdc699d7952a333e9d56bc0cbe85355b6117312e8f29fbfef5884e9", kill_on_drop: false }` [INFO] [stdout] a9e52e2dbcdc699d7952a333e9d56bc0cbe85355b6117312e8f29fbfef5884e9