[INFO] fetching crate shroom 0.0.1...
[INFO] checking shroom-0.0.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate shroom 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate shroom 0.0.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate shroom 0.0.1
[INFO] finished tweaking crates.io crate shroom 0.0.1
[INFO] tweaked toml for crates.io crate shroom 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 857b4a7d4a6d483c30b2b853b6aec705084814e17a61d953e750edf16302b2bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "857b4a7d4a6d483c30b2b853b6aec705084814e17a61d953e750edf16302b2bf"`
[INFO] [stderr]    Compiling shroom v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/primitive.rs:127:27
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let no_prefix = s.trim_left_matches("0x");
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/primitive.rs:133:27
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let no_prefix = s.trim_left_matches("0o");
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/primitive.rs:139:27
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let no_prefix = s.trim_left_matches("0b");
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/primitive.rs:127:27
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let no_prefix = s.trim_left_matches("0x");
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/primitive.rs:133:27
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let no_prefix = s.trim_left_matches("0o");
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/primitive.rs:139:27
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let no_prefix = s.trim_left_matches("0b");
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AddEq`
[INFO] [stderr]   --> src/ast.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     AddEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SubEq`
[INFO] [stderr]   --> src/ast.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     SubEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MulEq`
[INFO] [stderr]   --> src/ast.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     MulEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DivEq`
[INFO] [stderr]   --> src/ast.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     DivEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ModEq`
[INFO] [stderr]   --> src/ast.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     ModEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PowEq`
[INFO] [stderr]   --> src/ast.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     PowEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitAndEq`
[INFO] [stderr]   --> src/ast.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     BitAndEq,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitOrEq`
[INFO] [stderr]   --> src/ast.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     BitOrEq,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitXorEq`
[INFO] [stderr]   --> src/ast.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     BitXorEq,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LshiftEq`
[INFO] [stderr]   --> src/ast.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     LshiftEq,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RshiftEq`
[INFO] [stderr]   --> src/ast.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     RshiftEq,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assign`
[INFO] [stderr]   --> src/ast.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Assign,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AddEq`
[INFO] [stderr]   --> src/ast.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     AddEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SubEq`
[INFO] [stderr]   --> src/ast.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     SubEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MulEq`
[INFO] [stderr]   --> src/ast.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     MulEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DivEq`
[INFO] [stderr]   --> src/ast.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     DivEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ModEq`
[INFO] [stderr]   --> src/ast.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     ModEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PowEq`
[INFO] [stderr]   --> src/ast.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     PowEq,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitAndEq`
[INFO] [stderr]   --> src/ast.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     BitAndEq,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitOrEq`
[INFO] [stderr]   --> src/ast.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     BitOrEq,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitXorEq`
[INFO] [stderr]   --> src/ast.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     BitXorEq,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LshiftEq`
[INFO] [stderr]   --> src/ast.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     LshiftEq,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RshiftEq`
[INFO] [stderr]   --> src/ast.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     RshiftEq,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assign`
[INFO] [stderr]   --> src/ast.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Assign,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `"docker" "inspect" "857b4a7d4a6d483c30b2b853b6aec705084814e17a61d953e750edf16302b2bf"`
[INFO] running `"docker" "rm" "-f" "857b4a7d4a6d483c30b2b853b6aec705084814e17a61d953e750edf16302b2bf"`
[INFO] [stdout] 857b4a7d4a6d483c30b2b853b6aec705084814e17a61d953e750edf16302b2bf