[INFO] cloning repository https://github.com/kaisic1224/pngme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaisic1224/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaisic1224%2Fpngme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaisic1224%2Fpngme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35c59b5c66fa8c4c874ccb92b45ef674fc6079a6
[INFO] checking kaisic1224/pngme against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaisic1224%2Fpngme" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaisic1224/pngme on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaisic1224/pngme
[INFO] finished tweaking git repo https://github.com/kaisic1224/pngme
[INFO] tweaked toml for git repo https://github.com/kaisic1224/pngme written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kaisic1224/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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking kaisic1224/pngme against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaisic1224%2Fpngme" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaisic1224/pngme on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaisic1224/pngme
[INFO] finished tweaking git repo https://github.com/kaisic1224/pngme
[INFO] tweaked toml for git repo https://github.com/kaisic1224/pngme written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kaisic1224/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking kaisic1224/pngme against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaisic1224%2Fpngme" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaisic1224/pngme on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaisic1224/pngme
[INFO] finished tweaking git repo https://github.com/kaisic1224/pngme
[INFO] tweaked toml for git repo https://github.com/kaisic1224/pngme written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kaisic1224/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a2b1494bdeacbffba4e77231e74b81c9db0bd5fe151e8e55d9a233560f4a13a
[INFO] running `Command { std: "docker" "start" "-a" "7a2b1494bdeacbffba4e77231e74b81c9db0bd5fe151e8e55d9a233560f4a13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a2b1494bdeacbffba4e77231e74b81c9db0bd5fe151e8e55d9a233560f4a13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2b1494bdeacbffba4e77231e74b81c9db0bd5fe151e8e55d9a233560f4a13a", kill_on_drop: false }`
[INFO] [stdout] 7a2b1494bdeacbffba4e77231e74b81c9db0bd5fe151e8e55d9a233560f4a13a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9100dfa65839195f83e2899b2305c41f494b6313c2b20086ed19d21a8d849d8
[INFO] running `Command { std: "docker" "start" "-a" "b9100dfa65839195f83e2899b2305c41f494b6313c2b20086ed19d21a8d849d8", kill_on_drop: false }`
[INFO] [stderr]     Checking png v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/chunk_type.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/chunk_type.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/chunk_type.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl ChunkType {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 19 |     /// Returns the raw bytes contained in this chunk
[INFO] [stdout] 20 |     pub fn bytes(&self) -> [u8; 4] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn is_critical(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn is_public(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn is_valid_byte(byte: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ChunkType` in this scope
[INFO] [stdout]    --> src/chunk_type.rs:173:27
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let chunk_type_1: ChunkType = TryFrom::try_from([82, 117, 83, 116]).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ChunkType` in this scope
[INFO] [stdout]    --> src/chunk_type.rs:174:27
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let chunk_type_2: ChunkType = FromStr::from_str("RuSt").unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/chunk_type.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/chunk_type.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/chunk_type.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     use std::convert::TryFrom;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]   --> src/chunk_type.rs:90:22
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let actual = ChunkType::try_from([82, 117, 83, 116]).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]   --> src/chunk_type.rs:97:24
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let expected = ChunkType::try_from([82, 117, 83, 116]).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]   --> src/chunk_type.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let actual = ChunkType::from_str("RuSt").unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let chunk = ChunkType::from_str("RuSt").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let chunk = ChunkType::from_str("ruSt").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let chunk = ChunkType::from_str("RUSt").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let chunk = ChunkType::from_str("RuSt").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:128:21
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let chunk = ChunkType::from_str("RuSt").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let chunk = ChunkType::from_str("Rust").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:140:21
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let chunk = ChunkType::from_str("RuSt").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let chunk = ChunkType::from_str("RuST").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let chunk = ChunkType::from_str("RuSt").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let chunk = ChunkType::from_str("Rust").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let chunk = ChunkType::from_str("Ru1t");
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ChunkType`
[INFO] [stdout]    --> src/chunk_type.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let chunk = ChunkType::from_str("RuSt").unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^ use of undeclared type `ChunkType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `png` (bin "png" test) due to 18 previous errors; 3 warnings emitted
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9100dfa65839195f83e2899b2305c41f494b6313c2b20086ed19d21a8d849d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9100dfa65839195f83e2899b2305c41f494b6313c2b20086ed19d21a8d849d8", kill_on_drop: false }`
[INFO] [stdout] b9100dfa65839195f83e2899b2305c41f494b6313c2b20086ed19d21a8d849d8
