[INFO] fetching crate weak-list2 0.1.0...
[INFO] testing weak-list2-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate weak-list2 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate weak-list2 0.1.0
[INFO] finished tweaking crates.io crate weak-list2 0.1.0
[INFO] tweaked toml for crates.io crate weak-list2 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate weak-list2 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 760f7b2ccbca7e1d54baecd8cc7aa427a13a2bc396b2afdc7b4170d525e8ee3b
[INFO] running `Command { std: "docker" "start" "-a" "760f7b2ccbca7e1d54baecd8cc7aa427a13a2bc396b2afdc7b4170d525e8ee3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "760f7b2ccbca7e1d54baecd8cc7aa427a13a2bc396b2afdc7b4170d525e8ee3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760f7b2ccbca7e1d54baecd8cc7aa427a13a2bc396b2afdc7b4170d525e8ee3b", kill_on_drop: false }`
[INFO] [stdout] 760f7b2ccbca7e1d54baecd8cc7aa427a13a2bc396b2afdc7b4170d525e8ee3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b8abbb51ac6587a6926a12d29ac45e23853dd98d9e683be3e080c862030dbca
[INFO] running `Command { std: "docker" "start" "-a" "0b8abbb51ac6587a6926a12d29ac45e23853dd98d9e683be3e080c862030dbca", kill_on_drop: false }`
[INFO] [stderr]    Compiling weak-list2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "0b8abbb51ac6587a6926a12d29ac45e23853dd98d9e683be3e080c862030dbca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8abbb51ac6587a6926a12d29ac45e23853dd98d9e683be3e080c862030dbca", kill_on_drop: false }`
[INFO] [stdout] 0b8abbb51ac6587a6926a12d29ac45e23853dd98d9e683be3e080c862030dbca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36589a5a213543ce5ebb7355be25c29249d15b51b40adb62dc495ce269105517
[INFO] running `Command { std: "docker" "start" "-a" "36589a5a213543ce5ebb7355be25c29249d15b51b40adb62dc495ce269105517", kill_on_drop: false }`
[INFO] [stderr]    Compiling weak-list2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "36589a5a213543ce5ebb7355be25c29249d15b51b40adb62dc495ce269105517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36589a5a213543ce5ebb7355be25c29249d15b51b40adb62dc495ce269105517", kill_on_drop: false }`
[INFO] [stdout] 36589a5a213543ce5ebb7355be25c29249d15b51b40adb62dc495ce269105517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4c0c6b457abeb1896318c6a5e40bfdd28dd47e97864b998c367740186fb69d3
[INFO] running `Command { std: "docker" "start" "-a" "e4c0c6b457abeb1896318c6a5e40bfdd28dd47e97864b998c367740186fb69d3", 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/weak_list-5c43cb97dc554669)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test tests::fuzz_1 ... ok
[INFO] [stdout] test tests::heterogenous_list ... ok
[INFO] [stdout] test tests::default_impl_lazy ... ok
[INFO] [stdout] test tests::push_pop_back_recover_type_from_weak_ref ... ok
[INFO] [stdout] test tests::list_cleared_on_drop ... ok
[INFO] [stdout] test tests::push_pop_back_updates_head ... ok
[INFO] [stdout] test tests::push_pop_lru ... ok
[INFO] [stdout] test tests::push_pop_lru_moves_upgraded_tail_to_front ... ok
[INFO] [stdout] test tests::push_pop_lru_while_upgraded ... ok
[INFO] [stdout] test tests::push_push_upgrade_pop ... ok
[INFO] [stdout] test tests::remove_node_after_moving_list ... ok
[INFO] [stdout] test tests::remove_node_from_another_list ... ok
[INFO] [stdout] test tests::remove_node_twice ... ok
[INFO] [stdout] test tests::remove_unreachable ... ok
[INFO] [stdout] test tests::remove_unreachable_big_buf ... ok
[INFO] [stdout] test tests::remove_unreachable_empty_buf ... ok
[INFO] [stdout] test tests::upgrade_node_after_moving_list ... ok
[INFO] [stdout] test tests::upgrade_node_after_removing_from_list ... ok
[INFO] [stdout] test tests::upgrade_node_with_another_list ... ok
[INFO] [stdout] test tests::variance_remove ... ok
[INFO] [stdout] test tests::weak_list_is_sync_and_send ... ok
[INFO] [stdout] test tests::push_elem ... ok
[INFO] [stderr]    Doc-tests weak_list
[INFO] [stdout] test tests::push_pop_back ... ok
[INFO] [stdout] test tests::push_pop_back_recover_type_from_pop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "e4c0c6b457abeb1896318c6a5e40bfdd28dd47e97864b998c367740186fb69d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c0c6b457abeb1896318c6a5e40bfdd28dd47e97864b998c367740186fb69d3", kill_on_drop: false }`
[INFO] [stdout] e4c0c6b457abeb1896318c6a5e40bfdd28dd47e97864b998c367740186fb69d3