[INFO] crate linked-list 0.0.3 is already in cache
[INFO] testing linked-list-0.0.3 against 1.38.0 for beta-1.39-1
[INFO] extracting crate linked-list 0.0.3 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate linked-list 0.0.3 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate linked-list 0.0.3
[INFO] finished tweaking crates.io crate linked-list 0.0.3
[INFO] tweaked toml for crates.io crate linked-list 0.0.3 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a1c708d8b21fb83ca3a07ccfc512869d9b157fc99dfe4ede654f2e16f2c391a7
[INFO] running `"docker" "start" "-a" "a1c708d8b21fb83ca3a07ccfc512869d9b157fc99dfe4ede654f2e16f2c391a7"`
[INFO] [stderr]    Compiling linked-list v0.0.3 (/opt/rustwide/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 0.20s
[INFO] running `"docker" "inspect" "a1c708d8b21fb83ca3a07ccfc512869d9b157fc99dfe4ede654f2e16f2c391a7"`
[INFO] running `"docker" "rm" "-f" "a1c708d8b21fb83ca3a07ccfc512869d9b157fc99dfe4ede654f2e16f2c391a7"`
[INFO] [stdout] a1c708d8b21fb83ca3a07ccfc512869d9b157fc99dfe4ede654f2e16f2c391a7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 63de4812887596520638c30a301deafe67460a6902a074ab1c7f853cd3b6a43f
[INFO] running `"docker" "start" "-a" "63de4812887596520638c30a301deafe67460a6902a074ab1c7f853cd3b6a43f"`
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling linked-list v0.0.3 (/opt/rustwide/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 3.86s
[INFO] running `"docker" "inspect" "63de4812887596520638c30a301deafe67460a6902a074ab1c7f853cd3b6a43f"`
[INFO] running `"docker" "rm" "-f" "63de4812887596520638c30a301deafe67460a6902a074ab1c7f853cd3b6a43f"`
[INFO] [stdout] 63de4812887596520638c30a301deafe67460a6902a074ab1c7f853cd3b6a43f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 012b2099fbc6a1f7b3eceea9f06be49aea5151bfb565fc6139a3f6aa8dacb59f
[INFO] running `"docker" "start" "-a" "012b2099fbc6a1f7b3eceea9f06be49aea5151bfb565fc6139a3f6aa8dacb59f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linked_list-bf8bce8c8467a137
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::test_append ... ok
[INFO] [stdout] test tests::test_cursor_remove ... ok
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] test tests::test_cursor_insert ... ok
[INFO] [stdout] test tests::test_debug ... ok
[INFO] [stdout] test tests::test_cursor_seek ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_iterator ... 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_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] 
[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" "012b2099fbc6a1f7b3eceea9f06be49aea5151bfb565fc6139a3f6aa8dacb59f"`
[INFO] running `"docker" "rm" "-f" "012b2099fbc6a1f7b3eceea9f06be49aea5151bfb565fc6139a3f6aa8dacb59f"`
[INFO] [stdout] 012b2099fbc6a1f7b3eceea9f06be49aea5151bfb565fc6139a3f6aa8dacb59f