[INFO] cloning repository https://github.com/ollyswanson/pnmsg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ollyswanson/pnmsg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follyswanson%2Fpnmsg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follyswanson%2Fpnmsg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea173ee4f962d7efd417b0d193bce23a4508b9a6
[INFO] testing ollyswanson/pnmsg against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follyswanson%2Fpnmsg" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ollyswanson/pnmsg on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ollyswanson/pnmsg
[INFO] finished tweaking git repo https://github.com/ollyswanson/pnmsg
[INFO] tweaked toml for git repo https://github.com/ollyswanson/pnmsg written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ollyswanson/pnmsg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cf49a21843eb281728b2eb7b0d92993ded0961f6badf12c013ad8fd1ae242e6
[INFO] running `Command { std: "docker" "start" "-a" "9cf49a21843eb281728b2eb7b0d92993ded0961f6badf12c013ad8fd1ae242e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cf49a21843eb281728b2eb7b0d92993ded0961f6badf12c013ad8fd1ae242e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf49a21843eb281728b2eb7b0d92993ded0961f6badf12c013ad8fd1ae242e6", kill_on_drop: false }`
[INFO] [stdout] 9cf49a21843eb281728b2eb7b0d92993ded0961f6badf12c013ad8fd1ae242e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50fb0a6d16e3e50896332ee6f532b844030f2cb30c51d3b5d3b904c8c9a3c709
[INFO] running `Command { std: "docker" "start" "-a" "50fb0a6d16e3e50896332ee6f532b844030f2cb30c51d3b5d3b904c8c9a3c709", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling pnmsg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_critical`
[INFO] [stdout]   --> src/chunk_type.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn is_critical(&self) -> bool {
[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: `is_public`
[INFO] [stdout]   --> src/chunk_type.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_public(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_safe_to_copy`
[INFO] [stdout]   --> src/chunk_type.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_chunks`
[INFO] [stdout]   --> src/png.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from_chunks(chunks: Vec<Chunk>) -> Png {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_chunk`
[INFO] [stdout]   --> src/png.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn remove_chunk(&mut self, chunk_type: &str) -> Result<Chunk, Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `header`
[INFO] [stdout]   --> src/png.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn header(&self) -> &[u8; 8] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chunks`
[INFO] [stdout]   --> src/png.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn chunks(&self) -> &[Chunk] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.40s
[INFO] running `Command { std: "docker" "inspect" "50fb0a6d16e3e50896332ee6f532b844030f2cb30c51d3b5d3b904c8c9a3c709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50fb0a6d16e3e50896332ee6f532b844030f2cb30c51d3b5d3b904c8c9a3c709", kill_on_drop: false }`
[INFO] [stdout] 50fb0a6d16e3e50896332ee6f532b844030f2cb30c51d3b5d3b904c8c9a3c709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b8a392a11dc6e39e64e1435f2f085dc410ba3b3c78ae133ab4dca96dba43b3
[INFO] running `Command { std: "docker" "start" "-a" "a9b8a392a11dc6e39e64e1435f2f085dc410ba3b3c78ae133ab4dca96dba43b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pnmsg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::chunk_type::ChunkType`
[INFO] [stdout]    --> src/chunk.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     use crate::chunk_type::ChunkType;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/png.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use std::str::FromStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `header`
[INFO] [stdout]   --> src/png.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn header(&self) -> &[u8; 8] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "a9b8a392a11dc6e39e64e1435f2f085dc410ba3b3c78ae133ab4dca96dba43b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b8a392a11dc6e39e64e1435f2f085dc410ba3b3c78ae133ab4dca96dba43b3", kill_on_drop: false }`
[INFO] [stdout] a9b8a392a11dc6e39e64e1435f2f085dc410ba3b3c78ae133ab4dca96dba43b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3336f11c50087ce85fa1667ba141881d2a44b4e39b6113c00da9798dc2eacca2
[INFO] running `Command { std: "docker" "start" "-a" "3336f11c50087ce85fa1667ba141881d2a44b4e39b6113c00da9798dc2eacca2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::chunk_type::ChunkType`
[INFO] [stderr]    --> src/chunk.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     use crate::chunk_type::ChunkType;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/png.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     use std::str::FromStr;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `header`
[INFO] [stderr]   --> src/png.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn header(&self) -> &[u8; 8] {
[INFO] [stdout] 
[INFO] [stderr]    |            ^^^^^^
[INFO] [stdout] running 26 tests
[INFO] [stderr]    |
[INFO] [stdout] test chunk::tests::test_chunk_crc ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pnmsg-03e175b717591f06)
[INFO] [stdout] test chunk_type::tests::chunk_type_is_safe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::chunk_type_is_unsafe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::chunk_type_is_public ... ok
[INFO] [stdout] test chunk_type::tests::chunk_type_is_not_critical ... ok
[INFO] [stdout] test chunk_type::tests::chunk_type_is_valid ... ok
[INFO] [stdout] test chunk::tests::test_invalid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_chunk_type ... ok
[INFO] [stdout] test chunk_type::tests::chunk_type_partial_eq_str ... ok
[INFO] [stdout] test chunk_type::tests::chunk_type_is_invalid ... ok
[INFO] [stdout] test png::tests::test_list_chunks ... ok
[INFO] [stdout] test chunk_type::tests::chunk_type_is_private ... ok
[INFO] [stdout] test chunk::tests::test_chunk_string ... ok
[INFO] [stdout] test png::tests::test_remove_chunk ... ok
[INFO] [stdout] test png::tests::test_append_chunk ... ok
[INFO] [stdout] test png::tests::test_chunk_by_type ... ok
[INFO] [stdout] test png::tests::test_png_from_image_file ... ok
[INFO] [stdout] test chunk_type::tests::chunk_type_is_critical ... ok
[INFO] [stdout] test chunk::tests::test_valid_chunk_from_bytes ... ok
[INFO] [stdout] test png::tests::test_as_bytes ... ok
[INFO] [stdout] test png::tests::test_valid_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_chunk_length ... ok
[INFO] [stdout] test png::tests::test_invalid_chunk ... ok
[INFO] [stdout] test png::tests::test_from_chunks ... ok
[INFO] [stdout] test png::tests::test_invalid_header ... ok
[INFO] [stdout] test chunk::tests::test_chunk_trait_impls ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3336f11c50087ce85fa1667ba141881d2a44b4e39b6113c00da9798dc2eacca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3336f11c50087ce85fa1667ba141881d2a44b4e39b6113c00da9798dc2eacca2", kill_on_drop: false }`
[INFO] [stdout] 3336f11c50087ce85fa1667ba141881d2a44b4e39b6113c00da9798dc2eacca2