[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 beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalex%2Frust-linked-list" "/workspace/builds/worker-48/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pmalex/rust-linked-list on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-48/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc_version v0.4.0 [INFO] [stderr] Downloaded plotters-backend v0.3.2 [INFO] [stderr] Downloaded semver v1.0.4 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded criterion-plot v0.4.4 [INFO] [stderr] Downloaded criterion v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3834af411c59273f8909709018ab4ffef62b7c04a201d70f9b3c57eddaa44991 [INFO] running `Command { std: "docker" "start" "-a" "3834af411c59273f8909709018ab4ffef62b7c04a201d70f9b3c57eddaa44991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3834af411c59273f8909709018ab4ffef62b7c04a201d70f9b3c57eddaa44991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3834af411c59273f8909709018ab4ffef62b7c04a201d70f9b3c57eddaa44991", kill_on_drop: false }` [INFO] [stdout] 3834af411c59273f8909709018ab4ffef62b7c04a201d70f9b3c57eddaa44991 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86b03bd03f7779d39c4e720352a1b4cd29d7e7b8b5b6c3f179268ff309fc832e [INFO] running `Command { std: "docker" "start" "-a" "86b03bd03f7779d39c4e720352a1b4cd29d7e7b8b5b6c3f179268ff309fc832e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling linked_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.08s [INFO] running `Command { std: "docker" "inspect" "86b03bd03f7779d39c4e720352a1b4cd29d7e7b8b5b6c3f179268ff309fc832e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86b03bd03f7779d39c4e720352a1b4cd29d7e7b8b5b6c3f179268ff309fc832e", kill_on_drop: false }` [INFO] [stdout] 86b03bd03f7779d39c4e720352a1b4cd29d7e7b8b5b6c3f179268ff309fc832e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51d3f98e3d9aa481700958f5a09f88232de4c1556b3653a7d197a907671bc77d [INFO] running `Command { std: "docker" "start" "-a" "51d3f98e3d9aa481700958f5a09f88232de4c1556b3653a7d197a907671bc77d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.3.5 [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] warning: 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: `#[warn(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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [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` due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "51d3f98e3d9aa481700958f5a09f88232de4c1556b3653a7d197a907671bc77d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51d3f98e3d9aa481700958f5a09f88232de4c1556b3653a7d197a907671bc77d", kill_on_drop: false }` [INFO] [stdout] 51d3f98e3d9aa481700958f5a09f88232de4c1556b3653a7d197a907671bc77d