[INFO] cloning repository https://github.com/coreydexter/pngme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coreydexter/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreydexter%2Fpngme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreydexter%2Fpngme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4603e85586fe56995a7627845baa2f5c20fd3a2d
[INFO] checking coreydexter/pngme against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreydexter%2Fpngme" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coreydexter/pngme on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coreydexter/pngme
[INFO] finished tweaking git repo https://github.com/coreydexter/pngme
[INFO] tweaked toml for git repo https://github.com/coreydexter/pngme written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate git repo https://github.com/coreydexter/pngme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d3d65fa868b7f9725e71305a3950e3cbd6b1d92206b67db70c9264d2bd80a43
[INFO] running `Command { std: "docker" "start" "-a" "6d3d65fa868b7f9725e71305a3950e3cbd6b1d92206b67db70c9264d2bd80a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d3d65fa868b7f9725e71305a3950e3cbd6b1d92206b67db70c9264d2bd80a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3d65fa868b7f9725e71305a3950e3cbd6b1d92206b67db70c9264d2bd80a43", kill_on_drop: false }`
[INFO] [stdout] 6d3d65fa868b7f9725e71305a3950e3cbd6b1d92206b67db70c9264d2bd80a43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b91ee31cf05caf3081e216a169f7799e2f0e9225ccca4e418c20f2a97fee0c87
[INFO] running `Command { std: "docker" "start" "-a" "b91ee31cf05caf3081e216a169f7799e2f0e9225ccca4e418c20f2a97fee0c87", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking pngme v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/png.rs (3 fixes)
[INFO] [stderr]        Fixed src/chunk.rs (2 fixes)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/png.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, Read, Write},
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_first_chunk`
[INFO] [stdout]    --> src/png.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn get_first_chunk(&self) -> Option<&Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_chunk`
[INFO] [stdout]    --> src/png.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn get_last_chunk(&self) -> Option<&Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/app/pngme_main.rs from 2018 edition to 2021
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/png.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, Read, Write},
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_first_chunk`
[INFO] [stdout]    --> src/png.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn get_first_chunk(&self) -> Option<&Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_chunk`
[INFO] [stdout]    --> src/png.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn get_last_chunk(&self) -> Option<&Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_IHDR_chunk_must_remain` should have a snake case name
[INFO] [stdout]    --> src/png.rs:327:8
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn test_IHDR_chunk_must_remain() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_ihdr_chunk_must_remain`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_IEND_chunk_must_remain` should have a snake case name
[INFO] [stdout]    --> src/png.rs:337:8
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn test_IEND_chunk_must_remain() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_iend_chunk_must_remain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.30s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pngme v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/png.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, Read, Write},
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_first_chunk`
[INFO] [stdout]    --> src/png.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn get_first_chunk(&self) -> Option<&Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_chunk`
[INFO] [stdout]    --> src/png.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn get_last_chunk(&self) -> Option<&Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/png.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, Read, Write},
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_first_chunk`
[INFO] [stdout]    --> src/png.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn get_first_chunk(&self) -> Option<&Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_chunk`
[INFO] [stdout]    --> src/png.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn get_last_chunk(&self) -> Option<&Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_IHDR_chunk_must_remain` should have a snake case name
[INFO] [stdout]    --> src/png.rs:327:8
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn test_IHDR_chunk_must_remain() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_ihdr_chunk_must_remain`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_IEND_chunk_must_remain` should have a snake case name
[INFO] [stdout]    --> src/png.rs:337:8
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn test_IEND_chunk_must_remain() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_iend_chunk_must_remain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "b91ee31cf05caf3081e216a169f7799e2f0e9225ccca4e418c20f2a97fee0c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91ee31cf05caf3081e216a169f7799e2f0e9225ccca4e418c20f2a97fee0c87", kill_on_drop: false }`
[INFO] [stdout] b91ee31cf05caf3081e216a169f7799e2f0e9225ccca4e418c20f2a97fee0c87