[INFO] fetching crate hamster_wheel 0.2.1... [INFO] testing hamster_wheel-0.2.1 against 1.52.1 for beta-1.52-2 [INFO] extracting crate hamster_wheel 0.2.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate hamster_wheel 0.2.1 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 crates.io crate hamster_wheel 0.2.1 [INFO] finished tweaking crates.io crate hamster_wheel 0.2.1 [INFO] tweaked toml for crates.io crate hamster_wheel 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f916731472d52a53ae94e4ccba0be84447a8868e0d7e401fe748ca6a65fdc48e [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" "f916731472d52a53ae94e4ccba0be84447a8868e0d7e401fe748ca6a65fdc48e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f916731472d52a53ae94e4ccba0be84447a8868e0d7e401fe748ca6a65fdc48e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f916731472d52a53ae94e4ccba0be84447a8868e0d7e401fe748ca6a65fdc48e", kill_on_drop: false }` [INFO] [stdout] f916731472d52a53ae94e4ccba0be84447a8868e0d7e401fe748ca6a65fdc48e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 66bd3e3ad3bcfe29642d33435c1a48bdeff0d570977bdc2feb1d0763c6f63be6 [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" "66bd3e3ad3bcfe29642d33435c1a48bdeff0d570977bdc2feb1d0763c6f63be6", kill_on_drop: false }` [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.24.0 [INFO] [stderr] Compiling openssl v0.10.34 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling rustc-demangle v0.1.19 [INFO] [stderr] Compiling object v0.24.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling beef v0.4.4 [INFO] [stderr] Compiling dtoa v0.4.8 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling tinyvec v1.2.0 [INFO] [stderr] Compiling unicode-bidi v0.3.5 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling flate2 v1.0.20 [INFO] [stderr] Compiling openssl-sys v0.9.63 [INFO] [stderr] Compiling backtrace v0.3.59 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling addr2line v0.15.1 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling publicsuffix v1.5.6 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling logos-derive v0.10.0 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling logos v0.10.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling reqwest v0.9.24 [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 2m 37s [INFO] running `Command { std: "docker" "inspect" "66bd3e3ad3bcfe29642d33435c1a48bdeff0d570977bdc2feb1d0763c6f63be6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66bd3e3ad3bcfe29642d33435c1a48bdeff0d570977bdc2feb1d0763c6f63be6", kill_on_drop: false }` [INFO] [stdout] 66bd3e3ad3bcfe29642d33435c1a48bdeff0d570977bdc2feb1d0763c6f63be6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fe82ca50aa893f0dcc67b9789a62330b901c55a1c54d7dd2d33c87dcc0e485f6 [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" "fe82ca50aa893f0dcc67b9789a62330b901c55a1c54d7dd2d33c87dcc0e485f6", kill_on_drop: false }` [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 3.64s [INFO] running `Command { std: "docker" "inspect" "fe82ca50aa893f0dcc67b9789a62330b901c55a1c54d7dd2d33c87dcc0e485f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe82ca50aa893f0dcc67b9789a62330b901c55a1c54d7dd2d33c87dcc0e485f6", kill_on_drop: false }` [INFO] [stdout] fe82ca50aa893f0dcc67b9789a62330b901c55a1c54d7dd2d33c87dcc0e485f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 04b967547b968d8b5a925885b75498ede876865faf34594282f1b8c5347b09e0 [INFO] running `Command { std: "docker" "start" "-a" "04b967547b968d8b5a925885b75498ede876865faf34594282f1b8c5347b09e0", 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] 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 0.25s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hamster_wheel-e79aaf54647d0033) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tokenizer::tokenizer::tests::eof_peek ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peek_checks_next_token ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peek_preserves_current_info ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::multiple_peeks ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peek_after_advance ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hamster_wheel-917f95572b713a46) [INFO] [stdout] test tokenizer::tokenizer::tests::peeks_and_advances ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::two_peeks_after_advance ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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] [stderr] Doc-tests hamster_wheel [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" "04b967547b968d8b5a925885b75498ede876865faf34594282f1b8c5347b09e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04b967547b968d8b5a925885b75498ede876865faf34594282f1b8c5347b09e0", kill_on_drop: false }` [INFO] [stdout] 04b967547b968d8b5a925885b75498ede876865faf34594282f1b8c5347b09e0