[INFO] cloning repository https://github.com/SpadeA-Tang/skiplist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpadeA-Tang/skiplist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpadeA-Tang%2Fskiplist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpadeA-Tang%2Fskiplist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e0feb80ead6f91e1f979263308e0680845319d9
[INFO] building SpadeA-Tang/skiplist against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpadeA-Tang%2Fskiplist" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpadeA-Tang/skiplist on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SpadeA-Tang/skiplist
[INFO] finished tweaking git repo https://github.com/SpadeA-Tang/skiplist
[INFO] tweaked toml for git repo https://github.com/SpadeA-Tang/skiplist written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SpadeA-Tang/skiplist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0e206175e25f2715679f69aa05a36a5f3b8fdd151f0a0c3ca93e2ecec7ba63
[INFO] running `Command { std: "docker" "start" "-a" "2d0e206175e25f2715679f69aa05a36a5f3b8fdd151f0a0c3ca93e2ecec7ba63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0e206175e25f2715679f69aa05a36a5f3b8fdd151f0a0c3ca93e2ecec7ba63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0e206175e25f2715679f69aa05a36a5f3b8fdd151f0a0c3ca93e2ecec7ba63", kill_on_drop: false }`
[INFO] [stdout] 2d0e206175e25f2715679f69aa05a36a5f3b8fdd151f0a0c3ca93e2ecec7ba63
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea07369e7e99763d78834b96b4c029a4867a614333eae4ca1271b9e9b63040ea
[INFO] running `Command { std: "docker" "start" "-a" "ea07369e7e99763d78834b96b4c029a4867a614333eae4ca1271b9e9b63040ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling skiplist-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "ea07369e7e99763d78834b96b4c029a4867a614333eae4ca1271b9e9b63040ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea07369e7e99763d78834b96b4c029a4867a614333eae4ca1271b9e9b63040ea", kill_on_drop: false }`
[INFO] [stdout] ea07369e7e99763d78834b96b4c029a4867a614333eae4ca1271b9e9b63040ea
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3807d320d0ae07136c4f3e8e9b7bdec03e949e3abb9876441f8804917f22db6d
[INFO] running `Command { std: "docker" "start" "-a" "3807d320d0ae07136c4f3e8e9b7bdec03e949e3abb9876441f8804917f22db6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling skiplist-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crossbeam_skiplist`
[INFO] [stdout]  --> tests/set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam_skiplist::SkipSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `crossbeam_skiplist`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam_utils::SkipSet;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crossbeam_skiplist`
[INFO] [stdout]  --> tests/map.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crossbeam_skiplist::SkipMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `crossbeam_skiplist`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crossbeam_utils::SkipMap;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `skiplist-rs` (test "set") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `skiplist-rs` (test "map") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3807d320d0ae07136c4f3e8e9b7bdec03e949e3abb9876441f8804917f22db6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3807d320d0ae07136c4f3e8e9b7bdec03e949e3abb9876441f8804917f22db6d", kill_on_drop: false }`
[INFO] [stdout] 3807d320d0ae07136c4f3e8e9b7bdec03e949e3abb9876441f8804917f22db6d