[INFO] cloning repository https://github.com/pmalex/rust-linked-list [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmalex/rust-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalex%2Frust-linked-list", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalex%2Frust-linked-list'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bba0854260eca51108c47d9b5eb17ffb4d52b307 [INFO] testing pmalex/rust-linked-list against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalex%2Frust-linked-list" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pmalex/rust-linked-list on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pmalex/rust-linked-list [INFO] finished tweaking git repo https://github.com/pmalex/rust-linked-list [INFO] tweaked toml for git repo https://github.com/pmalex/rust-linked-list written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3b4dd6d14b02179cb7714203c13eafadf73fc20677ce902727f94bd829dbcd91 [INFO] running `Command { std: "docker" "start" "-a" "3b4dd6d14b02179cb7714203c13eafadf73fc20677ce902727f94bd829dbcd91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b4dd6d14b02179cb7714203c13eafadf73fc20677ce902727f94bd829dbcd91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4dd6d14b02179cb7714203c13eafadf73fc20677ce902727f94bd829dbcd91", kill_on_drop: false }` [INFO] [stdout] 3b4dd6d14b02179cb7714203c13eafadf73fc20677ce902727f94bd829dbcd91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2741d8d2a2b513d68799769d4ca4a5bb4aabeef0520fedad6fc092229d31fb7b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2741d8d2a2b513d68799769d4ca4a5bb4aabeef0520fedad6fc092229d31fb7b", kill_on_drop: false }` [INFO] [stderr] Compiling linked_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "2741d8d2a2b513d68799769d4ca4a5bb4aabeef0520fedad6fc092229d31fb7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2741d8d2a2b513d68799769d4ca4a5bb4aabeef0520fedad6fc092229d31fb7b", kill_on_drop: false }` [INFO] [stdout] 2741d8d2a2b513d68799769d4ca4a5bb4aabeef0520fedad6fc092229d31fb7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 62b993cedfeb7d46fa9977b131313c8c22f014662b3a18a646b36bf6b266105c [INFO] running `Command { std: "docker" "start" "-a" "62b993cedfeb7d46fa9977b131313c8c22f014662b3a18a646b36bf6b266105c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling oorandom v11.1.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling criterion v0.3.3 [INFO] [stderr] Compiling linked_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0412]: cannot find type `Bencher` in this scope [INFO] [stdout] --> tests/test_1.rs:54:26 [INFO] [stdout] | [INFO] [stdout] 54 | fn bench_add_two(b: &mut Bencher) { [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::Bencher; [INFO] [stdout] | [INFO] [stdout] 1 | use test::Bencher; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> tests/test_1.rs:53:3 [INFO] [stdout] | [INFO] [stdout] 53 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(soft_unstable)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> tests/test_1.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `linked_list`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "62b993cedfeb7d46fa9977b131313c8c22f014662b3a18a646b36bf6b266105c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62b993cedfeb7d46fa9977b131313c8c22f014662b3a18a646b36bf6b266105c", kill_on_drop: false }` [INFO] [stdout] 62b993cedfeb7d46fa9977b131313c8c22f014662b3a18a646b36bf6b266105c