[INFO] cloning repository https://github.com/tikv/skiplist-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tikv/skiplist-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftikv%2Fskiplist-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftikv%2Fskiplist-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbb04cffa14033a8e8bfddf245501db517f0f87b
[INFO] checking tikv/skiplist-rs against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftikv%2Fskiplist-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tikv/skiplist-rs on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tikv/skiplist-rs
[INFO] finished tweaking git repo https://github.com/tikv/skiplist-rs
[INFO] tweaked toml for git repo https://github.com/tikv/skiplist-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tikv/skiplist-rs 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "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-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d50fda07f34d8e9b92b5627601fbfe0886de5479b78d5e28795abeb7e07ee4e
[INFO] running `Command { std: "docker" "start" "-a" "2d50fda07f34d8e9b92b5627601fbfe0886de5479b78d5e28795abeb7e07ee4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d50fda07f34d8e9b92b5627601fbfe0886de5479b78d5e28795abeb7e07ee4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d50fda07f34d8e9b92b5627601fbfe0886de5479b78d5e28795abeb7e07ee4e", kill_on_drop: false }`
[INFO] [stdout] 2d50fda07f34d8e9b92b5627601fbfe0886de5479b78d5e28795abeb7e07ee4e
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9b844eaa3fd3917c976f6892e943212f50358a78ea1a1427e8625512bb3aa1b
[INFO] running `Command { std: "docker" "start" "-a" "c9b844eaa3fd3917c976f6892e943212f50358a78ea1a1427e8625512bb3aa1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking skiplist-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error[E0432]: unresolved import `crossbeam_skiplist`
[INFO] [stdout]  --> benches/skipmap.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crossbeam_skiplist::SkipMap as Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `crossbeam_skiplist`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 - use crossbeam_skiplist::SkipMap as Map;
[INFO] [stdout] 7 + use crossbeam_utils::SkipMap as Map;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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 unresolved module or unlinked crate `crossbeam_skiplist`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use crossbeam_skiplist::SkipMap;
[INFO] [stdout] 3 + use crossbeam_utils::SkipMap;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crossbeam_skiplist`
[INFO] [stdout]  --> benches/skiplist.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crossbeam_skiplist::SkipList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `crossbeam_skiplist`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 - use crossbeam_skiplist::SkipList;
[INFO] [stdout] 9 + use crossbeam_utils::SkipList;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `skiplist-rs` (bench "skipmap") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 unresolved module or unlinked crate `crossbeam_skiplist`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 - use crossbeam_skiplist::SkipSet;
[INFO] [stdout] 1 + use crossbeam_utils::SkipSet;
[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` (bench "skiplist") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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 "map") due to 1 previous error
[INFO] [stderr] error: could not compile `skiplist-rs` (test "set") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c9b844eaa3fd3917c976f6892e943212f50358a78ea1a1427e8625512bb3aa1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b844eaa3fd3917c976f6892e943212f50358a78ea1a1427e8625512bb3aa1b", kill_on_drop: false }`
[INFO] [stdout] c9b844eaa3fd3917c976f6892e943212f50358a78ea1a1427e8625512bb3aa1b