[INFO] crate linked-list 0.0.3 is already in cache
[INFO] extracting crate linked-list 0.0.3 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/linked-list/0.0.3
[INFO] extracting crate linked-list 0.0.3 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/linked-list/0.0.3
[INFO] validating manifest of linked-list-0.0.3 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of linked-list-0.0.3 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing linked-list-0.0.3
[INFO] finished frobbing linked-list-0.0.3
[INFO] frobbed toml for linked-list-0.0.3 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/linked-list/0.0.3/Cargo.toml
[INFO] started frobbing linked-list-0.0.3
[INFO] finished frobbing linked-list-0.0.3
[INFO] frobbed toml for linked-list-0.0.3 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/linked-list/0.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing linked-list-0.0.3 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/linked-list/0.0.3:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 82105c7ffacb8de65affed05213f303f29b76e8f92692829e22c4628b10c8279
[INFO] running `"docker" "start" "-a" "82105c7ffacb8de65affed05213f303f29b76e8f92692829e22c4628b10c8279"`
[INFO] [stderr]    Compiling linked-list v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]   --> src/lib.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::fmt::{self, Debug};
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "82105c7ffacb8de65affed05213f303f29b76e8f92692829e22c4628b10c8279"`
[INFO] running `"docker" "rm" "-f" "82105c7ffacb8de65affed05213f303f29b76e8f92692829e22c4628b10c8279"`
[INFO] [stdout] 82105c7ffacb8de65affed05213f303f29b76e8f92692829e22c4628b10c8279
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/linked-list/0.0.3:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] cc7105e9edacf064510f04568de09d5c1499baf188754dce322e5101c9610499
[INFO] running `"docker" "start" "-a" "cc7105e9edacf064510f04568de09d5c1499baf188754dce322e5101c9610499"`
[INFO] [stderr]    Compiling linked-list v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]   --> src/lib.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::fmt::{self, Debug};
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "cc7105e9edacf064510f04568de09d5c1499baf188754dce322e5101c9610499"`
[INFO] running `"docker" "rm" "-f" "cc7105e9edacf064510f04568de09d5c1499baf188754dce322e5101c9610499"`
[INFO] [stdout] cc7105e9edacf064510f04568de09d5c1499baf188754dce322e5101c9610499
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/linked-list/0.0.3:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 669be0ae85fcba9110116242f225afddc168e045fe77551d7335ceac2ee918eb
[INFO] running `"docker" "start" "-a" "669be0ae85fcba9110116242f225afddc168e045fe77551d7335ceac2ee918eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linked_list-b867b272d8e9e7e9
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::test_iterator ... ok
[INFO] [stdout] test tests::test_debug ... ok
[INFO] [stdout] test tests::test_cursor_remove ... ok
[INFO] [stdout] test tests::test_cursor_insert ... ok
[INFO] [stdout] test tests::test_iterator_double_end ... ok
[INFO] [stdout] test tests::test_iterator_mut_double_end ... ok
[INFO] [stdout] test tests::test_mut_iter ... ok
[INFO] [stdout] test tests::test_ord ... ok
[INFO] [stdout] test tests::test_append ... ok
[INFO] [stdout] test tests::test_ord_nan ... ok
[INFO] [stdout] test tests::test_rev_iter ... ok
[INFO] [stdout] test tests::test_splice ... ok
[INFO] [stdout] test tests::test_split_at ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_cursor_seek ... ok
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linked-list
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "669be0ae85fcba9110116242f225afddc168e045fe77551d7335ceac2ee918eb"`
[INFO] running `"docker" "rm" "-f" "669be0ae85fcba9110116242f225afddc168e045fe77551d7335ceac2ee918eb"`
[INFO] [stdout] 669be0ae85fcba9110116242f225afddc168e045fe77551d7335ceac2ee918eb