[INFO] cloning repository https://github.com/VictorPrins/pngme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VictorPrins/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorPrins%2Fpngme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorPrins%2Fpngme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f782b1179b8bdecfe340c13b3da3244acabeacc
[INFO] fixing VictorPrins/pngme against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorPrins%2Fpngme" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VictorPrins/pngme
[INFO] finished tweaking git repo https://github.com/VictorPrins/pngme
[INFO] tweaked toml for git repo https://github.com/VictorPrins/pngme written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VictorPrins/pngme on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VictorPrins/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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 097fd631c853d29a02823b8011e273faf2e14daa28dc0a9845c29e8b98ad4f6f
[INFO] running `Command { std: "docker" "start" "097fd631c853d29a02823b8011e273faf2e14daa28dc0a9845c29e8b98ad4f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "097fd631c853d29a02823b8011e273faf2e14daa28dc0a9845c29e8b98ad4f6f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "097fd631c853d29a02823b8011e273faf2e14daa28dc0a9845c29e8b98ad4f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "097fd631c853d29a02823b8011e273faf2e14daa28dc0a9845c29e8b98ad4f6f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking crc v3.4.0
[INFO] [stderr]     Checking pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::chunk_type::ChunkType`
[INFO] [stdout]  --> src/png.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::chunk_type::ChunkType;
[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::slice::Chunks`
[INFO] [stdout]  --> src/png.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::slice::Chunks;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::chunk_type::ChunkType`
[INFO] [stdout]  --> src/png.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::chunk_type::ChunkType;
[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::slice::Chunks`
[INFO] [stdout]  --> src/png.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::slice::Chunks;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/png.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn remove_first_chunk(&mut self, chunk_type: &str) -> crate::Result<Chunk> {
[INFO] [stdout]    |                                                           -------------------- expected `std::result::Result<chunk::Chunk, Box<(dyn std::error::Error + 'static)>>` because of return type
[INFO] [stdout] 39 |         self.chunks
[INFO] [stdout]    |         ^^^^^^^^^^^ expected `Result<Chunk, Box<dyn Error>>`, found `Vec<Chunk>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::result::Result<chunk::Chunk, Box<(dyn std::error::Error + 'static)>>`
[INFO] [stdout]             found struct `Vec<chunk::Chunk>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/png.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn remove_first_chunk(&mut self, chunk_type: &str) -> crate::Result<Chunk> {
[INFO] [stdout]    |                                                           -------------------- expected `std::result::Result<Chunk, Box<(dyn std::error::Error + 'static)>>` because of return type
[INFO] [stdout] 39 |         self.chunks
[INFO] [stdout]    |         ^^^^^^^^^^^ expected `Result<Chunk, Box<dyn Error>>`, found `Vec<Chunk>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::result::Result<Chunk, Box<(dyn std::error::Error + 'static)>>`
[INFO] [stdout]             found struct `Vec<Chunk>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/png.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn try_from(value: &[u8]) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_type`
[INFO] [stdout]   --> src/png.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/png.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use std::str::FromStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pngme` (bin "pngme") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/png.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn try_from(value: &[u8]) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_type`
[INFO] [stdout]   --> src/png.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pngme` (bin "pngme" test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "097fd631c853d29a02823b8011e273faf2e14daa28dc0a9845c29e8b98ad4f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097fd631c853d29a02823b8011e273faf2e14daa28dc0a9845c29e8b98ad4f6f", kill_on_drop: false }`
[INFO] [stdout] 097fd631c853d29a02823b8011e273faf2e14daa28dc0a9845c29e8b98ad4f6f
