[INFO] fetching crate ds-list 2.1.0...
[INFO] testing ds-list-2.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate ds-list 2.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ds-list 2.1.0
[INFO] finished tweaking crates.io crate ds-list 2.1.0
[INFO] tweaked toml for crates.io crate ds-list 2.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ds-list 2.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7471c2abdabc8220beab2aaf08477049f930354ca765c48521fe43e020070d21
[INFO] running `Command { std: "docker" "start" "-a" "7471c2abdabc8220beab2aaf08477049f930354ca765c48521fe43e020070d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7471c2abdabc8220beab2aaf08477049f930354ca765c48521fe43e020070d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7471c2abdabc8220beab2aaf08477049f930354ca765c48521fe43e020070d21", kill_on_drop: false }`
[INFO] [stdout] 7471c2abdabc8220beab2aaf08477049f930354ca765c48521fe43e020070d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fb8a35d39b5ba105e4c3db518c2b8893d0a796e16261c1c264d8ac23f99de6d
[INFO] running `Command { std: "docker" "start" "-a" "1fb8a35d39b5ba105e4c3db518c2b8893d0a796e16261c1c264d8ac23f99de6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds-list v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "1fb8a35d39b5ba105e4c3db518c2b8893d0a796e16261c1c264d8ac23f99de6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb8a35d39b5ba105e4c3db518c2b8893d0a796e16261c1c264d8ac23f99de6d", kill_on_drop: false }`
[INFO] [stdout] 1fb8a35d39b5ba105e4c3db518c2b8893d0a796e16261c1c264d8ac23f99de6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c502b89ce0e4e7954e9250f7a01d0ee0bafe143d885b329e3df55ca5e1d16501
[INFO] running `Command { std: "docker" "start" "-a" "c502b89ce0e4e7954e9250f7a01d0ee0bafe143d885b329e3df55ca5e1d16501", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds-list v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "c502b89ce0e4e7954e9250f7a01d0ee0bafe143d885b329e3df55ca5e1d16501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c502b89ce0e4e7954e9250f7a01d0ee0bafe143d885b329e3df55ca5e1d16501", kill_on_drop: false }`
[INFO] [stdout] c502b89ce0e4e7954e9250f7a01d0ee0bafe143d885b329e3df55ca5e1d16501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a74b0156f8172f194e87d2277170e82bfd64a4c74d752edf334e755012d196c0
[INFO] running `Command { std: "docker" "start" "-a" "a74b0156f8172f194e87d2277170e82bfd64a4c74d752edf334e755012d196c0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ds_list-a8876a0e5fdb5348)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/doubly_linked_list_tests.rs (/opt/rustwide/target/debug/deps/doubly_linked_list_tests-f90b857d5d6299ab)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests_doubly_linked_list::push_front_test ... ok
[INFO] [stdout] test tests_doubly_linked_list::get_non_empty_list_test ... ok
[INFO] [stdout] test tests_doubly_linked_list::get_empty_list_test ... ok
[INFO] [stdout] test tests_doubly_linked_list::empty_list_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/singly_linked_list_tests.rs (/opt/rustwide/target/debug/deps/singly_linked_list_tests-e9d0d1eacefa42a8)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests_singly_linked_list::empty_list_test ... ok
[INFO] [stdout] test tests_singly_linked_list::get_else_test ... ok
[INFO] [stdout] test tests_singly_linked_list::get_empty_list_test ... ok
[INFO] [stdout] test tests_singly_linked_list::get_unwrap_test ... ok
[INFO] [stdout] test tests_singly_linked_list::is_sorted_list_test ... ok
[INFO] [stdout] test tests_singly_linked_list::is_sorted_non_empty_list_test ... ok
[INFO] [stdout] test tests_singly_linked_list::pop_back_empty_list_test ... ok
[INFO] [stdout] test tests_singly_linked_list::pop_back_test ... ok
[INFO] [stdout] test tests_singly_linked_list::pop_front_in_non_empty_list_test ... ok
[INFO] [stdout] test tests_singly_linked_list::push_back_test ... ok
[INFO] [stdout] test tests_singly_linked_list::pop_front_in_empty_list_test ... ok
[INFO] [stdout] test tests_singly_linked_list::is_sorted_empty_list_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ds_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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a74b0156f8172f194e87d2277170e82bfd64a4c74d752edf334e755012d196c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74b0156f8172f194e87d2277170e82bfd64a4c74d752edf334e755012d196c0", kill_on_drop: false }`
[INFO] [stdout] a74b0156f8172f194e87d2277170e82bfd64a4c74d752edf334e755012d196c0