[INFO] crate hamster_wheel 0.2.1 is already in cache [INFO] testing hamster_wheel-0.2.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate hamster_wheel 0.2.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate hamster_wheel 0.2.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [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-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5a7daeb16cc65b44df37ece149e2d2e7c775da5f4961e79e4b0f6a63da302d7a [INFO] running `"docker" "start" "-a" "5a7daeb16cc65b44df37ece149e2d2e7c775da5f4961e79e4b0f6a63da302d7a"` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling beef v0.4.2 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling openssl-sys v0.9.55 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling smallvec v0.6.13 [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 flate2 v1.0.14 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling publicsuffix v1.5.4 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [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 v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling logos-derive v0.10.0 [INFO] [stderr] Compiling failure v0.1.7 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling logos v0.10.0 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Compiling bstr v0.2.12 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling csv v1.1.3 [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] [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 dev [unoptimized + debuginfo] target(s) in 3m 02s [INFO] running `"docker" "inspect" "5a7daeb16cc65b44df37ece149e2d2e7c775da5f4961e79e4b0f6a63da302d7a"` [INFO] running `"docker" "rm" "-f" "5a7daeb16cc65b44df37ece149e2d2e7c775da5f4961e79e4b0f6a63da302d7a"` [INFO] [stdout] 5a7daeb16cc65b44df37ece149e2d2e7c775da5f4961e79e4b0f6a63da302d7a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0bbce44ad770f93b80fb4d01af0f01bd96edc3f71b6f24d22093b3bc5b6388f0 [INFO] running `"docker" "start" "-a" "0bbce44ad770f93b80fb4d01af0f01bd96edc3f71b6f24d22093b3bc5b6388f0"` [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] Compiling hamster_wheel v0.2.1 (/opt/rustwide/workdir) [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 4.04s [INFO] running `"docker" "inspect" "0bbce44ad770f93b80fb4d01af0f01bd96edc3f71b6f24d22093b3bc5b6388f0"` [INFO] running `"docker" "rm" "-f" "0bbce44ad770f93b80fb4d01af0f01bd96edc3f71b6f24d22093b3bc5b6388f0"` [INFO] [stdout] 0bbce44ad770f93b80fb4d01af0f01bd96edc3f71b6f24d22093b3bc5b6388f0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 08ff9461ca3aa53b4eaaa3c62100adb8379beb9b82f3aa7a8b8af6a3d321acd1 [INFO] running `"docker" "start" "-a" "08ff9461ca3aa53b4eaaa3c62100adb8379beb9b82f3aa7a8b8af6a3d321acd1"` [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: 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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hamster_wheel-729e8c5cfc9eb496 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tokenizer::tokenizer::tests::two_peeks_after_advance ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peeks_and_advances ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peek_preserves_current_info ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::peek_after_advance ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::multiple_peeks ... ok [INFO] [stdout] test tokenizer::tokenizer::tests::eof_peek ... 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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hamster_wheel-5233a2283b2c3d95 [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] [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 `"docker" "inspect" "08ff9461ca3aa53b4eaaa3c62100adb8379beb9b82f3aa7a8b8af6a3d321acd1"` [INFO] running `"docker" "rm" "-f" "08ff9461ca3aa53b4eaaa3c62100adb8379beb9b82f3aa7a8b8af6a3d321acd1"` [INFO] [stdout] 08ff9461ca3aa53b4eaaa3c62100adb8379beb9b82f3aa7a8b8af6a3d321acd1