[INFO] cloning repository https://github.com/taooceros/skiplist [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taooceros/skiplist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaooceros%2Fskiplist", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaooceros%2Fskiplist'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 47de50add1796a3e81c1593b66cff6027177aee6 [INFO] checking taooceros/skiplist against master#c5af0610196bc39c44e54f1e08bd9149bdc66929 for pr-118120 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaooceros%2Fskiplist" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/taooceros/skiplist on toolchain c5af0610196bc39c44e54f1e08bd9149bdc66929 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c5af0610196bc39c44e54f1e08bd9149bdc66929" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/taooceros/skiplist [INFO] finished tweaking git repo https://github.com/taooceros/skiplist [INFO] tweaked toml for git repo https://github.com/taooceros/skiplist written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/taooceros/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" "+c5af0610196bc39c44e54f1e08bd9149bdc66929" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking taooceros/skiplist against try#a832c07a2bcc7587230eb0706f83d1d602ae5c2b for pr-118120 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaooceros%2Fskiplist" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/taooceros/skiplist on toolchain a832c07a2bcc7587230eb0706f83d1d602ae5c2b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/taooceros/skiplist [INFO] finished tweaking git repo https://github.com/taooceros/skiplist [INFO] tweaked toml for git repo https://github.com/taooceros/skiplist written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/taooceros/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" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e7d152be120b761aaf84ffc23127e2575cbf67592b08c5c6fc8236446fff299 [INFO] running `Command { std: "docker" "start" "-a" "0e7d152be120b761aaf84ffc23127e2575cbf67592b08c5c6fc8236446fff299", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e7d152be120b761aaf84ffc23127e2575cbf67592b08c5c6fc8236446fff299", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e7d152be120b761aaf84ffc23127e2575cbf67592b08c5c6fc8236446fff299", kill_on_drop: false }` [INFO] [stdout] 0e7d152be120b761aaf84ffc23127e2575cbf67592b08c5c6fc8236446fff299 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1718ca6ea2b853444f3f04ce3040ca8cf9e8c771ac03cbc4b9231e8eb793c90f [INFO] running `Command { std: "docker" "start" "-a" "1718ca6ea2b853444f3f04ce3040ca8cf9e8c771ac03cbc4b9231e8eb793c90f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking smallvec v1.11.1 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking skiplist v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `MutexGuard`, `Mutex` [INFO] [stdout] --> src/lock_base/skiplist.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Mutex, MutexGuard}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/lock_base/skiplist/entry.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MutexGuard`, `Mutex` [INFO] [stdout] --> src/lock_base/skiplist.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Mutex, MutexGuard}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/lock_base/skiplist/entry.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key_cmp` is never read [INFO] [stdout] --> src/lock_base/skiplist.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct SkipList Ordering> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | key_cmp: C, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/lock_base/skiplist.rs:269:12 [INFO] [stdout] | [INFO] [stdout] 54 | / impl SkipList [INFO] [stdout] 55 | | where [INFO] [stdout] 56 | | K: Ord + Debug, [INFO] [stdout] 57 | | C: Fn(&K, &K) -> Ordering, [INFO] [stdout] | |______________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 269 | pub fn get(&self, key: K) -> Option<&V> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key_cmp` is never read [INFO] [stdout] --> src/sequencial/skiplist.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct SkipList Ordering> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | key_cmp: C, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key_cmp` is never read [INFO] [stdout] --> src/lock_base/skiplist.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct SkipList Ordering> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | key_cmp: C, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/lock_base/skiplist.rs:269:12 [INFO] [stdout] | [INFO] [stdout] 54 | / impl SkipList [INFO] [stdout] 55 | | where [INFO] [stdout] 56 | | K: Ord + Debug, [INFO] [stdout] 57 | | C: Fn(&K, &K) -> Ordering, [INFO] [stdout] | |______________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 269 | pub fn get(&self, key: K) -> Option<&V> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key_cmp` is never read [INFO] [stdout] --> src/sequencial/skiplist.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct SkipList Ordering> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | key_cmp: C, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.85s [INFO] running `Command { std: "docker" "inspect" "1718ca6ea2b853444f3f04ce3040ca8cf9e8c771ac03cbc4b9231e8eb793c90f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1718ca6ea2b853444f3f04ce3040ca8cf9e8c771ac03cbc4b9231e8eb793c90f", kill_on_drop: false }` [INFO] [stdout] 1718ca6ea2b853444f3f04ce3040ca8cf9e8c771ac03cbc4b9231e8eb793c90f