[INFO] fetching crate weak-list2 0.1.0...
[INFO] testing weak-list2-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate weak-list2 0.1.0 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate weak-list2 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de81b83fbcf7f282b77c195f32ad066822cd939db08bc0fd8f357f445670e9ca
[INFO] running `Command { std: "docker" "start" "-a" "de81b83fbcf7f282b77c195f32ad066822cd939db08bc0fd8f357f445670e9ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de81b83fbcf7f282b77c195f32ad066822cd939db08bc0fd8f357f445670e9ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de81b83fbcf7f282b77c195f32ad066822cd939db08bc0fd8f357f445670e9ca", kill_on_drop: false }`
[INFO] [stdout] de81b83fbcf7f282b77c195f32ad066822cd939db08bc0fd8f357f445670e9ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daeb4f92dc50ef944c77912b5105d40643132b8db7e7e89467f8cc10c6c5991e
[INFO] running `Command { std: "docker" "start" "-a" "daeb4f92dc50ef944c77912b5105d40643132b8db7e7e89467f8cc10c6c5991e", 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "daeb4f92dc50ef944c77912b5105d40643132b8db7e7e89467f8cc10c6c5991e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daeb4f92dc50ef944c77912b5105d40643132b8db7e7e89467f8cc10c6c5991e", kill_on_drop: false }`
[INFO] [stdout] daeb4f92dc50ef944c77912b5105d40643132b8db7e7e89467f8cc10c6c5991e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50a323e90d659d06727fc1d1404cf235413acddb8eff8dfec10f91d681fea61b
[INFO] running `Command { std: "docker" "start" "-a" "50a323e90d659d06727fc1d1404cf235413acddb8eff8dfec10f91d681fea61b", 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 0.82s
[INFO] running `Command { std: "docker" "inspect" "50a323e90d659d06727fc1d1404cf235413acddb8eff8dfec10f91d681fea61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a323e90d659d06727fc1d1404cf235413acddb8eff8dfec10f91d681fea61b", kill_on_drop: false }`
[INFO] [stdout] 50a323e90d659d06727fc1d1404cf235413acddb8eff8dfec10f91d681fea61b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85adb768b05234d1bb1445fe65dc6521b50159206600575a1520feedcbde3723
[INFO] running `Command { std: "docker" "start" "-a" "85adb768b05234d1bb1445fe65dc6521b50159206600575a1520feedcbde3723", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test tests::default_impl_lazy ... ok
[INFO] [stdout] test tests::push_elem ... ok
[INFO] [stdout] test tests::list_cleared_on_drop ... ok
[INFO] [stdout] test tests::push_pop_back ... ok
[INFO] [stdout] test tests::push_pop_back_recover_type_from_pop ... ok
[INFO] [stdout] test tests::push_pop_lru ... ok
[INFO] [stdout] test tests::push_pop_back_recover_type_from_weak_ref ... ok
[INFO] [stdout] test tests::heterogenous_list ... ok
[INFO] [stdout] test tests::push_pop_lru_moves_upgraded_tail_to_front ... ok
[INFO] [stdout] test tests::push_pop_back_updates_head ... ok
[INFO] [stdout] test tests::fuzz_1 ... 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_twice ... ok
[INFO] [stdout] test tests::upgrade_node_after_moving_list ... ok
[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-68c5736a166dc317)
[INFO] [stdout] test tests::push_pop_lru_while_upgraded ... ok
[INFO] [stdout] test tests::variance_remove ... ok
[INFO] [stdout] test tests::weak_list_is_sync_and_send ... ok
[INFO] [stdout] test tests::remove_node_from_another_list ... ok
[INFO] [stdout] test tests::remove_unreachable ... ok
[INFO] [stdout] test tests::remove_unreachable_empty_buf ... 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::remove_unreachable_big_buf ... 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] [stderr]    Doc-tests weak_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" "85adb768b05234d1bb1445fe65dc6521b50159206600575a1520feedcbde3723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85adb768b05234d1bb1445fe65dc6521b50159206600575a1520feedcbde3723", kill_on_drop: false }`
[INFO] [stdout] 85adb768b05234d1bb1445fe65dc6521b50159206600575a1520feedcbde3723