[INFO] updating cached repository https://github.com/hedonhermdev/png-message
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c54017707e8ed5dbaacf3bcc54dabae41676a385
[INFO] testing hedonhermdev/png-message against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fpng-message" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hedonhermdev/png-message on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hedonhermdev/png-message
[INFO] finished tweaking git repo https://github.com/hedonhermdev/png-message
[INFO] tweaked toml for git repo https://github.com/hedonhermdev/png-message written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/hedonhermdev/png-message already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69a23e95c11b4680869d502bee096bf350a15b0d2162bb9dff82fceb28fbfd49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "69a23e95c11b4680869d502bee096bf350a15b0d2162bb9dff82fceb28fbfd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69a23e95c11b4680869d502bee096bf350a15b0d2162bb9dff82fceb28fbfd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a23e95c11b4680869d502bee096bf350a15b0d2162bb9dff82fceb28fbfd49", kill_on_drop: false }`
[INFO] [stdout] 69a23e95c11b4680869d502bee096bf350a15b0d2162bb9dff82fceb28fbfd49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a70aa44ef65175c1597ffdca5a61f9994d34d98babdac8275f8c4cac9da309f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a70aa44ef65175c1597ffdca5a61f9994d34d98babdac8275f8c4cac9da309f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `data_as_string`
[INFO] [stdout]    --> src/chunk.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn data_as_string(&self) -> Result<String, std::string::FromUtf8Error> {
[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: `crc`
[INFO] [stdout]    --> src/chunk.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn crc(&self) -> u32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_reserved_bit_valid`
[INFO] [stdout]   --> src/chunk_type.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_critical`
[INFO] [stdout]   --> src/chunk_type.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn is_critical(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_public`
[INFO] [stdout]   --> src/chunk_type.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn is_public(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/chunk_type.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn is_valid(&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:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     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:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn from_chunks(chunks: Vec<Chunk>) -> Png {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chunks`
[INFO] [stdout]   --> src/png.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn chunks(&self) -> &[Chunk] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.31s
[INFO] running `Command { std: "docker" "inspect" "2a70aa44ef65175c1597ffdca5a61f9994d34d98babdac8275f8c4cac9da309f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a70aa44ef65175c1597ffdca5a61f9994d34d98babdac8275f8c4cac9da309f", kill_on_drop: false }`
[INFO] [stdout] 2a70aa44ef65175c1597ffdca5a61f9994d34d98babdac8275f8c4cac9da309f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b6f53f41ae259032704c4f7e24a90ce1518b4e58ee47c95359a8ad7425632e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b6f53f41ae259032704c4f7e24a90ce1518b4e58ee47c95359a8ad7425632e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "3b6f53f41ae259032704c4f7e24a90ce1518b4e58ee47c95359a8ad7425632e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6f53f41ae259032704c4f7e24a90ce1518b4e58ee47c95359a8ad7425632e3", kill_on_drop: false }`
[INFO] [stdout] 3b6f53f41ae259032704c4f7e24a90ce1518b4e58ee47c95359a8ad7425632e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c15e272e360791c664702ff9ad4a2e54634802fcafb56aa3ebeb0d9142c48fb7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c15e272e360791c664702ff9ad4a2e54634802fcafb56aa3ebeb0d9142c48fb7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pngme-1f5842171217de07
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_safe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_unsafe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_string ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_critcal ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_invalid_chunk_is_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_valid_chunk_is_valid ... ok
[INFO] [stdout] test png::tests::test_chunk_by_type ... ok
[INFO] [stdout] test png::tests::test_append_chunk ... ok
[INFO] [stdout] test png::tests::test_from_chunks ... ok
[INFO] [stdout] test png::tests::test_png_from_image_file ... ok
[INFO] [stdout] test png::tests::test_invalid_chunk ... ok
[INFO] [stdout] test png::tests::test_list_chunks ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_str ... ok
[INFO] [stdout] test chunk::tests::test_valid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_invalid ... ok
[INFO] [stdout] test chunk::tests::test_invalid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_chunk_crc ... ok
[INFO] [stdout] test png::tests::test_invalid_header ... ok
[INFO] [stdout] test png::tests::test_remove_chunk ... ok
[INFO] [stdout] test png::tests::test_as_bytes ... ok
[INFO] [stdout] test png::tests::test_valid_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_chunk_type ... ok
[INFO] [stdout] test chunk::tests::test_chunk_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c15e272e360791c664702ff9ad4a2e54634802fcafb56aa3ebeb0d9142c48fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15e272e360791c664702ff9ad4a2e54634802fcafb56aa3ebeb0d9142c48fb7", kill_on_drop: false }`
[INFO] [stdout] c15e272e360791c664702ff9ad4a2e54634802fcafb56aa3ebeb0d9142c48fb7