[INFO] fetching crate rust_list 0.2.0...
[INFO] testing rust_list-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rust_list 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rust_list 0.2.0
[INFO] finished tweaking crates.io crate rust_list 0.2.0
[INFO] tweaked toml for crates.io crate rust_list 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_list 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21370ae554005c67351f55b88edc0cdf6c58f48a84b7325acba211725f48067d
[INFO] running `Command { std: "docker" "start" "-a" "21370ae554005c67351f55b88edc0cdf6c58f48a84b7325acba211725f48067d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21370ae554005c67351f55b88edc0cdf6c58f48a84b7325acba211725f48067d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21370ae554005c67351f55b88edc0cdf6c58f48a84b7325acba211725f48067d", kill_on_drop: false }`
[INFO] [stdout] 21370ae554005c67351f55b88edc0cdf6c58f48a84b7325acba211725f48067d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b5e7ce5d098e5bbbdb25cf96dc99b235465afb15869a36c7fbfc7c70e179cf0
[INFO] running `Command { std: "docker" "start" "-a" "8b5e7ce5d098e5bbbdb25cf96dc99b235465afb15869a36c7fbfc7c70e179cf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "8b5e7ce5d098e5bbbdb25cf96dc99b235465afb15869a36c7fbfc7c70e179cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5e7ce5d098e5bbbdb25cf96dc99b235465afb15869a36c7fbfc7c70e179cf0", kill_on_drop: false }`
[INFO] [stdout] 8b5e7ce5d098e5bbbdb25cf96dc99b235465afb15869a36c7fbfc7c70e179cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba64072abc866c7a0a352e036ae9350806e59d3628fdec7f00bab63065ac11a5
[INFO] running `Command { std: "docker" "start" "-a" "ba64072abc866c7a0a352e036ae9350806e59d3628fdec7f00bab63065ac11a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "ba64072abc866c7a0a352e036ae9350806e59d3628fdec7f00bab63065ac11a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba64072abc866c7a0a352e036ae9350806e59d3628fdec7f00bab63065ac11a5", kill_on_drop: false }`
[INFO] [stdout] ba64072abc866c7a0a352e036ae9350806e59d3628fdec7f00bab63065ac11a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 682a8f157b1ff172c417430416863bd395527e1701a6301288b1dbcb21ccac20
[INFO] running `Command { std: "docker" "start" "-a" "682a8f157b1ff172c417430416863bd395527e1701a6301288b1dbcb21ccac20", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_list-0140837eed4a7684)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::append ... ok
[INFO] [stdout] test tests::display ... ok
[INFO] [stdout] test tests::filter ... ok
[INFO] [stdout] test tests::for_loop ... ok
[INFO] [stdout] test tests::from_iter ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::len ... ok
[INFO] [stdout] test tests::fold ... ok
[INFO] [stdout] test tests::construction ... ok
[INFO] [stdout] test tests::macro_empty ... ok
[INFO] [stdout] test tests::macro_multiple ... ok
[INFO] [stdout] test tests::map ... ok
[INFO] [stdout] test tests::push ... ok
[INFO] [stdout] test tests::macro_singleton ... ok
[INFO] [stdout] test tests::pop ... ok
[INFO] [stdout] test tests::rfold ... ok
[INFO] [stdout] test tests::into_rev ... ok
[INFO] [stderr]    Doc-tests rust_list
[INFO] [stdout] test tests::borrow_rev ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - List<T>::rfold (line 429) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::is_empty (line 285) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::push (line 341) ... ok
[INFO] [stdout] test src/lib.rs - nil (line 210) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::pop (line 361) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::len (line 302) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::append (line 387) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::last (line 317) ... ok
[INFO] [stdout] test src/lib.rs - cons (line 225) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - list (line 73) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::borrow_rev (line 269) ... ok
[INFO] [stdout] test src/lib.rs - list_rev (line 100) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::reverse (line 411) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::into_rev (line 253) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::new (line 240) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "682a8f157b1ff172c417430416863bd395527e1701a6301288b1dbcb21ccac20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682a8f157b1ff172c417430416863bd395527e1701a6301288b1dbcb21ccac20", kill_on_drop: false }`
[INFO] [stdout] 682a8f157b1ff172c417430416863bd395527e1701a6301288b1dbcb21ccac20