[INFO] fetching crate singly_linked_list 0.1.0...
[INFO] testing singly_linked_list-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate singly_linked_list 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate singly_linked_list 0.1.0
[INFO] finished tweaking crates.io crate singly_linked_list 0.1.0
[INFO] tweaked toml for crates.io crate singly_linked_list 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate singly_linked_list 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81648be80d142ddd58abee59a6271cb4ab714898aa6de35f6764d0ed1f4edb32
[INFO] running `Command { std: "docker" "start" "-a" "81648be80d142ddd58abee59a6271cb4ab714898aa6de35f6764d0ed1f4edb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81648be80d142ddd58abee59a6271cb4ab714898aa6de35f6764d0ed1f4edb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81648be80d142ddd58abee59a6271cb4ab714898aa6de35f6764d0ed1f4edb32", kill_on_drop: false }`
[INFO] [stdout] 81648be80d142ddd58abee59a6271cb4ab714898aa6de35f6764d0ed1f4edb32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d39f1a0c67cb2ceb90a4e4a2584fcdb75e7d0dc20d5a3a47fe28ad18424a9326
[INFO] running `Command { std: "docker" "start" "-a" "d39f1a0c67cb2ceb90a4e4a2584fcdb75e7d0dc20d5a3a47fe28ad18424a9326", kill_on_drop: false }`
[INFO] [stderr]    Compiling singly_linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d39f1a0c67cb2ceb90a4e4a2584fcdb75e7d0dc20d5a3a47fe28ad18424a9326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39f1a0c67cb2ceb90a4e4a2584fcdb75e7d0dc20d5a3a47fe28ad18424a9326", kill_on_drop: false }`
[INFO] [stdout] d39f1a0c67cb2ceb90a4e4a2584fcdb75e7d0dc20d5a3a47fe28ad18424a9326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50a5233de2008f5b30bc1cbf50c296bc504836406f3affc3a742ccf37887d2c
[INFO] running `Command { std: "docker" "start" "-a" "e50a5233de2008f5b30bc1cbf50c296bc504836406f3affc3a742ccf37887d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling singly_linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "e50a5233de2008f5b30bc1cbf50c296bc504836406f3affc3a742ccf37887d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50a5233de2008f5b30bc1cbf50c296bc504836406f3affc3a742ccf37887d2c", kill_on_drop: false }`
[INFO] [stdout] e50a5233de2008f5b30bc1cbf50c296bc504836406f3affc3a742ccf37887d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 033d0a2c6edbb5757c5a2103af078a385eccac738edd2c1907dbedfec57175d9
[INFO] running `Command { std: "docker" "start" "-a" "033d0a2c6edbb5757c5a2103af078a385eccac738edd2c1907dbedfec57175d9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/singly_linked_list-81906137ebd9e8c2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_empty_list ... ok
[INFO] [stdout] test tests::test_list_with_multiple_values ... ok
[INFO] [stdout] test tests::test_list_with_one_value ... ok
[INFO] [stderr]    Doc-tests singly_linked_list
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - List<T>::add_item (line 42) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::traverse (line 73) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::new (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "033d0a2c6edbb5757c5a2103af078a385eccac738edd2c1907dbedfec57175d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033d0a2c6edbb5757c5a2103af078a385eccac738edd2c1907dbedfec57175d9", kill_on_drop: false }`
[INFO] [stdout] 033d0a2c6edbb5757c5a2103af078a385eccac738edd2c1907dbedfec57175d9