[INFO] cloning repository https://github.com/chafey/dicom-parser-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chafey/dicom-parser-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchafey%2Fdicom-parser-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchafey%2Fdicom-parser-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41f32215f7a7a6ab852e20673f49ced51bacd8fd
[INFO] checking chafey/dicom-parser-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchafey%2Fdicom-parser-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chafey/dicom-parser-rs
[INFO] finished tweaking git repo https://github.com/chafey/dicom-parser-rs
[INFO] tweaked toml for git repo https://github.com/chafey/dicom-parser-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chafey/dicom-parser-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chafey/dicom-parser-rs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5317cc559a1e6c1d4e3f42a2c948ae0bea2ea37fd30313d68726e0ae01c4e47b
[INFO] running `Command { std: "docker" "start" "-a" "5317cc559a1e6c1d4e3f42a2c948ae0bea2ea37fd30313d68726e0ae01c4e47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5317cc559a1e6c1d4e3f42a2c948ae0bea2ea37fd30313d68726e0ae01c4e47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5317cc559a1e6c1d4e3f42a2c948ae0bea2ea37fd30313d68726e0ae01c4e47b", kill_on_drop: false }`
[INFO] [stdout] 5317cc559a1e6c1d4e3f42a2c948ae0bea2ea37fd30313d68726e0ae01c4e47b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b6ced1a5e9fc831d574ecb5182b652c94c0f2e35113695541b8d4ddb6752c85
[INFO] running `Command { std: "docker" "start" "-a" "2b6ced1a5e9fc831d574ecb5182b652c94c0f2e35113695541b8d4ddb6752c85", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking dicom-parser-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 2], Infallible>
[INFO] [stdout]   --> src/encoding.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         u16::from_le_bytes([bytes[0], bytes[1]].try_into().unwrap())
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> src/encoding.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         u32::from_le_bytes([bytes[0], bytes[1], bytes[2], bytes[3]].try_into().unwrap())
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 2], Infallible>
[INFO] [stdout]   --> src/encoding.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |         u16::from_le_bytes([bytes[0], bytes[1]].try_into().unwrap())
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> src/encoding.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |         u32::from_le_bytes([bytes[0], bytes[1], bytes[2], bytes[3]].try_into().unwrap())
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 2], Infallible>
[INFO] [stdout]   --> src/encoding.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |         u16::from_be_bytes([bytes[0], bytes[1]].try_into().unwrap())
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> src/encoding.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |         u32::from_be_bytes([bytes[0], bytes[1], bytes[2], bytes[3]].try_into().unwrap())
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dicom-parser-rs` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2b6ced1a5e9fc831d574ecb5182b652c94c0f2e35113695541b8d4ddb6752c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6ced1a5e9fc831d574ecb5182b652c94c0f2e35113695541b8d4ddb6752c85", kill_on_drop: false }`
[INFO] [stdout] 2b6ced1a5e9fc831d574ecb5182b652c94c0f2e35113695541b8d4ddb6752c85