[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] checking pmalex/rust-linked-list against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalex%2Frust-linked-list" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pmalex/rust-linked-list on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c02eae28c1670c38f103c05a6e3e2f8c88b2b3aefe75b082af2f9c6728429502 [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" "c02eae28c1670c38f103c05a6e3e2f8c88b2b3aefe75b082af2f9c6728429502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c02eae28c1670c38f103c05a6e3e2f8c88b2b3aefe75b082af2f9c6728429502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c02eae28c1670c38f103c05a6e3e2f8c88b2b3aefe75b082af2f9c6728429502", kill_on_drop: false }` [INFO] [stdout] c02eae28c1670c38f103c05a6e3e2f8c88b2b3aefe75b082af2f9c6728429502 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9e8a4ac05a234e38eef913125c5026cdb7f3fc116dee48f5366f2ed065cf943 [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" "a9e8a4ac05a234e38eef913125c5026cdb7f3fc116dee48f5366f2ed065cf943", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking linked_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] warning: unused import: `black_box` [INFO] [stdout] --> benches/tb_1.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [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] warning: 1 warning emitted [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] running `Command { std: "docker" "inspect" "a9e8a4ac05a234e38eef913125c5026cdb7f3fc116dee48f5366f2ed065cf943", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9e8a4ac05a234e38eef913125c5026cdb7f3fc116dee48f5366f2ed065cf943", kill_on_drop: false }` [INFO] [stdout] a9e8a4ac05a234e38eef913125c5026cdb7f3fc116dee48f5366f2ed065cf943