[INFO] crate jemalloc-ctl 0.3.3 is already in cache
[INFO] extracting crate jemalloc-ctl 0.3.3 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/jemalloc-ctl/0.3.3
[INFO] extracting crate jemalloc-ctl 0.3.3 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/jemalloc-ctl/0.3.3
[INFO] validating manifest of jemalloc-ctl-0.3.3 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jemalloc-ctl-0.3.3 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jemalloc-ctl-0.3.3
[INFO] finished frobbing jemalloc-ctl-0.3.3
[INFO] frobbed toml for jemalloc-ctl-0.3.3 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/jemalloc-ctl/0.3.3/Cargo.toml
[INFO] started frobbing jemalloc-ctl-0.3.3
[INFO] finished frobbing jemalloc-ctl-0.3.3
[INFO] frobbed toml for jemalloc-ctl-0.3.3 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/jemalloc-ctl/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jemalloc-ctl-0.3.3 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/jemalloc-ctl/0.3.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d7f2f442537f1163c42b5d31e0815f40ac4be1599c57d42a78e44ee4448b3b6f
[INFO] running `"docker" "start" "-a" "d7f2f442537f1163c42b5d31e0815f40ac4be1599c57d42a78e44ee4448b3b6f"`
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking jemalloc-ctl v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `str` is imported redundantly
[INFO] [stderr]   --> src/keys.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 33 | use std::str;
[INFO] [stderr]    |     -------- the item `str` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 49 |         use str;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `str` is imported redundantly
[INFO] [stderr]    --> src/keys.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 33  | use std::str;
[INFO] [stderr]     |     -------- the item `str` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 128 |         use str;
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `str` is imported redundantly
[INFO] [stderr]    --> src/keys.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 33  | use std::str;
[INFO] [stderr]     |     -------- the item `str` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 135 |         use str;
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `str` is imported redundantly
[INFO] [stderr]   --> src/keys.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 33 | use std::str;
[INFO] [stderr]    |     -------- the item `str` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 49 |         use str;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `str` is imported redundantly
[INFO] [stderr]    --> src/keys.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 33  | use std::str;
[INFO] [stderr]     |     -------- the item `str` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 128 |         use str;
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `str` is imported redundantly
[INFO] [stderr]    --> src/keys.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 33  | use std::str;
[INFO] [stderr]     |     -------- the item `str` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 135 |         use str;
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `"docker" "inspect" "d7f2f442537f1163c42b5d31e0815f40ac4be1599c57d42a78e44ee4448b3b6f"`
[INFO] running `"docker" "rm" "-f" "d7f2f442537f1163c42b5d31e0815f40ac4be1599c57d42a78e44ee4448b3b6f"`
[INFO] [stdout] d7f2f442537f1163c42b5d31e0815f40ac4be1599c57d42a78e44ee4448b3b6f