[INFO] fetching crate hamster_wheel 0.2.1... [INFO] testing hamster_wheel-0.2.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate hamster_wheel 0.2.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate hamster_wheel 0.2.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 68720afa2bd1dbc88ef3a1f5e2f9c60b81cb336a9ec56b8dd37407f463f07f56 [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" "68720afa2bd1dbc88ef3a1f5e2f9c60b81cb336a9ec56b8dd37407f463f07f56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68720afa2bd1dbc88ef3a1f5e2f9c60b81cb336a9ec56b8dd37407f463f07f56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68720afa2bd1dbc88ef3a1f5e2f9c60b81cb336a9ec56b8dd37407f463f07f56", kill_on_drop: false }` [INFO] [stdout] 68720afa2bd1dbc88ef3a1f5e2f9c60b81cb336a9ec56b8dd37407f463f07f56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 859b34efe4f6e6c17cb9186a4e3179c909f9750fb4905bfce5e13d8d9a47f778 [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" "859b34efe4f6e6c17cb9186a4e3179c909f9750fb4905bfce5e13d8d9a47f778", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling encoding_rs v0.8.26 [INFO] [stderr] Compiling beef v0.4.4 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.36 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling backtrace v0.3.55 [INFO] [stderr] Compiling flate2 v1.0.19 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling native-tls v0.2.6 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling publicsuffix v1.5.4 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling synstructure v0.12.4 [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_urlencoded v0.5.5 [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling csv v1.1.5 [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 1m 46s [INFO] running `Command { std: "docker" "inspect" "859b34efe4f6e6c17cb9186a4e3179c909f9750fb4905bfce5e13d8d9a47f778", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "859b34efe4f6e6c17cb9186a4e3179c909f9750fb4905bfce5e13d8d9a47f778", kill_on_drop: false }` [INFO] [stdout] 859b34efe4f6e6c17cb9186a4e3179c909f9750fb4905bfce5e13d8d9a47f778 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] d3cd59eb00b0c2db33b2dce2c0381e712fe096310744a0d165937894f2a73219 [INFO] running `Command { std: "docker" "start" "-a" "d3cd59eb00b0c2db33b2dce2c0381e712fe096310744a0d165937894f2a73219", 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 2.91s [INFO] running `Command { std: "docker" "inspect" "d3cd59eb00b0c2db33b2dce2c0381e712fe096310744a0d165937894f2a73219", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3cd59eb00b0c2db33b2dce2c0381e712fe096310744a0d165937894f2a73219", kill_on_drop: false }` [INFO] [stdout] d3cd59eb00b0c2db33b2dce2c0381e712fe096310744a0d165937894f2a73219 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9c2df5a63f049ac3e9824ad886358332a10e27124e055436501942060bb57800 [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" "9c2df5a63f049ac3e9824ad886358332a10e27124e055436501942060bb57800", 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 0.19s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hamster_wheel-02096f9a163cdc5a [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tokenizer::tokenizer::tests::multiple_peeks ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peek_checks_next_token ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::two_peeks_after_advance ... 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::eof_peek ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hamster_wheel-d55263c7c4ffa3ca [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 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9c2df5a63f049ac3e9824ad886358332a10e27124e055436501942060bb57800", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c2df5a63f049ac3e9824ad886358332a10e27124e055436501942060bb57800", kill_on_drop: false }` [INFO] [stdout] 9c2df5a63f049ac3e9824ad886358332a10e27124e055436501942060bb57800