[INFO] updating cached repository ethanlynn/oxide
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ethanlynn/oxide
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ethanlynn/oxide" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/ethanlynn/oxide"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/ethanlynn/oxide'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ethanlynn/oxide" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/ethanlynn/oxide"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/ethanlynn/oxide'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 708adcab4fe077841b71df48919efe325fb41e58
[INFO] sha for GitHub repo ethanlynn/oxide: 708adcab4fe077841b71df48919efe325fb41e58
[INFO] validating manifest of ethanlynn/oxide on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ethanlynn/oxide on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ethanlynn/oxide
[INFO] finished frobbing ethanlynn/oxide
[INFO] frobbed toml for ethanlynn/oxide written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/ethanlynn/oxide/Cargo.toml
[INFO] started frobbing ethanlynn/oxide
[INFO] finished frobbing ethanlynn/oxide
[INFO] frobbed toml for ethanlynn/oxide written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/ethanlynn/oxide/Cargo.toml
[INFO] crate ethanlynn/oxide already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ethanlynn/oxide against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/ethanlynn/oxide:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 56ea2f6be37d93562ead2c0c5c304e589c30f9a09e409bc7dc39d2c9b59eaaa4
[INFO] running `"docker" "start" "-a" "56ea2f6be37d93562ead2c0c5c304e589c30f9a09e409bc7dc39d2c9b59eaaa4"`
[INFO] [stderr]     Checking oxide v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/scanner/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/scanner/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftParenthesis`
[INFO] [stderr]   --> src/scanner/token.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     LeftParenthesis = b'(',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightParenthesis`
[INFO] [stderr]   --> src/scanner/token.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     RightParenthesis = b')',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftBracket`
[INFO] [stderr]   --> src/scanner/token.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     LeftBracket = b'[',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightBracket`
[INFO] [stderr]   --> src/scanner/token.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     RightBracket = b']',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftBrace`
[INFO] [stderr]   --> src/scanner/token.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     LeftBrace = b'{',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightBrace`
[INFO] [stderr]   --> src/scanner/token.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     RightBrace = b'}',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftParenthesis`
[INFO] [stderr]   --> src/scanner/token.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     LeftParenthesis = b'(',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightParenthesis`
[INFO] [stderr]   --> src/scanner/token.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     RightParenthesis = b')',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftBracket`
[INFO] [stderr]   --> src/scanner/token.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     LeftBracket = b'[',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightBracket`
[INFO] [stderr]   --> src/scanner/token.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     RightBracket = b']',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftBrace`
[INFO] [stderr]   --> src/scanner/token.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     LeftBrace = b'{',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightBrace`
[INFO] [stderr]   --> src/scanner/token.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     RightBrace = b'}',
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "56ea2f6be37d93562ead2c0c5c304e589c30f9a09e409bc7dc39d2c9b59eaaa4"`
[INFO] running `"docker" "rm" "-f" "56ea2f6be37d93562ead2c0c5c304e589c30f9a09e409bc7dc39d2c9b59eaaa4"`
[INFO] [stdout] 56ea2f6be37d93562ead2c0c5c304e589c30f9a09e409bc7dc39d2c9b59eaaa4