[INFO] cloning repository https://github.com/OsamaElHariri/HamsterWheel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OsamaElHariri/HamsterWheel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsamaElHariri%2FHamsterWheel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsamaElHariri%2FHamsterWheel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 13e1e4b00f76fe6ab25b489d399afcc7b92d5249 [INFO] testing OsamaElHariri/HamsterWheel against 1.52.1 for beta-1.52-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsamaElHariri%2FHamsterWheel" "/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/OsamaElHariri/HamsterWheel on toolchain 1.52.1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/OsamaElHariri/HamsterWheel [INFO] finished tweaking git repo https://github.com/OsamaElHariri/HamsterWheel [INFO] tweaked toml for git repo https://github.com/OsamaElHariri/HamsterWheel written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/OsamaElHariri/HamsterWheel already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a708dc3af717c55ea33d0abb2fb593d40a797a2859fb3d47fda7d8fb44b5acdc [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" "a708dc3af717c55ea33d0abb2fb593d40a797a2859fb3d47fda7d8fb44b5acdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a708dc3af717c55ea33d0abb2fb593d40a797a2859fb3d47fda7d8fb44b5acdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a708dc3af717c55ea33d0abb2fb593d40a797a2859fb3d47fda7d8fb44b5acdc", kill_on_drop: false }` [INFO] [stdout] a708dc3af717c55ea33d0abb2fb593d40a797a2859fb3d47fda7d8fb44b5acdc [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 484113f16136fdf82d52e93f6e8efb08e82234ba8361e1b0beaeabe7c434b374 [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" "484113f16136fdf82d52e93f6e8efb08e82234ba8361e1b0beaeabe7c434b374", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling spin v0.5.0 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling futures v0.1.28 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling openssl v0.10.24 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling dtoa v0.4.4 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling unicode-normalization v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.8 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling miniz_oxide v0.2.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling rustc-hash v1.0.1 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling hyper v0.12.33 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling openssl-sys v0.9.48 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.2 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling mime v0.3.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling flate2 v1.0.9 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling backtrace v0.3.33 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling publicsuffix v1.5.2 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.25 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Compiling logos-derive v0.10.0-rc2 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling logos v0.10.0-rc2 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling bstr v0.2.4 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling reqwest v0.9.19 [INFO] [stderr] Compiling hamster_wheel v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interpreter/importer.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut joined; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 05s [INFO] running `Command { std: "docker" "inspect" "484113f16136fdf82d52e93f6e8efb08e82234ba8361e1b0beaeabe7c434b374", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "484113f16136fdf82d52e93f6e8efb08e82234ba8361e1b0beaeabe7c434b374", kill_on_drop: false }` [INFO] [stdout] 484113f16136fdf82d52e93f6e8efb08e82234ba8361e1b0beaeabe7c434b374 [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c84954d3813d46e60cf1f6ff0ffb02931fe459a5c9f33b158bcb8c7b024fc5d [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" "5c84954d3813d46e60cf1f6ff0ffb02931fe459a5c9f33b158bcb8c7b024fc5d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interpreter/importer.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut joined; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hamster_wheel v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interpreter/importer.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut joined; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.70s [INFO] running `Command { std: "docker" "inspect" "5c84954d3813d46e60cf1f6ff0ffb02931fe459a5c9f33b158bcb8c7b024fc5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c84954d3813d46e60cf1f6ff0ffb02931fe459a5c9f33b158bcb8c7b024fc5d", kill_on_drop: false }` [INFO] [stdout] 5c84954d3813d46e60cf1f6ff0ffb02931fe459a5c9f33b158bcb8c7b024fc5d [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 424bb4731ade325044ed7c5b231ace17e103a826728ee54436b8e122868ec2ca [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" "424bb4731ade325044ed7c5b231ace17e103a826728ee54436b8e122868ec2ca", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/interpreter/importer.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | let mut joined; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/interpreter/importer.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | let mut joined; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hamster_wheel-42e3a8fc757c20ee) [INFO] [stdout] running 7 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hamster_wheel-00a1e10ac3ace2e7) [INFO] [stdout] test tokenizer::tokenizer::tests::eof_peek ... ok [INFO] [stderr] Doc-tests hamster_wheel [INFO] [stdout] test tokenizer::tokenizer::tests::multiple_peeks ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peek_after_advance ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peek_preserves_current_info ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peeks_and_advances ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::two_peeks_after_advance ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peek_checks_next_token ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "424bb4731ade325044ed7c5b231ace17e103a826728ee54436b8e122868ec2ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "424bb4731ade325044ed7c5b231ace17e103a826728ee54436b8e122868ec2ca", kill_on_drop: false }` [INFO] [stdout] 424bb4731ade325044ed7c5b231ace17e103a826728ee54436b8e122868ec2ca