[INFO] updating cached repository https://github.com/soaxelbrooke/phrase [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 28d21cc95b34ea0e86a6cf152284a159ba37a3d9 [INFO] testing soaxelbrooke/phrase against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoaxelbrooke%2Fphrase" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/soaxelbrooke/phrase on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/soaxelbrooke/phrase [INFO] finished tweaking git repo https://github.com/soaxelbrooke/phrase [INFO] tweaked toml for git repo https://github.com/soaxelbrooke/phrase written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/soaxelbrooke/phrase already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 7907a878ba949ff499e9e9a74efc4e3f249c8e218aad47213dee9d0395bb5f8f [INFO] running `"docker" "start" "-a" "7907a878ba949ff499e9e9a74efc4e3f249c8e218aad47213dee9d0395bb5f8f"` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling safemem v0.3.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling ryu v1.0.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.7 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling devise_core v0.2.0 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling bstr v0.2.8 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling notify v4.0.13 [INFO] [stderr] Compiling devise_codegen v0.2.0 [INFO] [stderr] Compiling cookie v0.11.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling rocket_http v0.4.2 [INFO] [stderr] Compiling devise v0.2.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling rocket_codegen v0.4.2 [INFO] [stderr] Compiling rust-stemmers v1.1.0 [INFO] [stderr] Compiling rocket v0.4.2 [INFO] [stderr] Compiling rocket_contrib v0.4.2 [INFO] [stderr] Compiling phrase v0.3.6 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:616:21 [INFO] [stderr] | [INFO] [stderr] 616 | ngrams[position].try_push_str(&delim); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 33s [INFO] running `"docker" "inspect" "7907a878ba949ff499e9e9a74efc4e3f249c8e218aad47213dee9d0395bb5f8f"` [INFO] running `"docker" "rm" "-f" "7907a878ba949ff499e9e9a74efc4e3f249c8e218aad47213dee9d0395bb5f8f"` [INFO] [stdout] 7907a878ba949ff499e9e9a74efc4e3f249c8e218aad47213dee9d0395bb5f8f [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 3f22fe353177775a162cf857b9e7eb6bcffdb14aa70d427b72d7ff6f006b907e [INFO] running `"docker" "start" "-a" "3f22fe353177775a162cf857b9e7eb6bcffdb14aa70d427b72d7ff6f006b907e"` [INFO] [stderr] Compiling phrase v0.3.6 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:616:21 [INFO] [stderr] | [INFO] [stderr] 616 | ngrams[position].try_push_str(&delim); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.78s [INFO] running `"docker" "inspect" "3f22fe353177775a162cf857b9e7eb6bcffdb14aa70d427b72d7ff6f006b907e"` [INFO] running `"docker" "rm" "-f" "3f22fe353177775a162cf857b9e7eb6bcffdb14aa70d427b72d7ff6f006b907e"` [INFO] [stdout] 3f22fe353177775a162cf857b9e7eb6bcffdb14aa70d427b72d7ff6f006b907e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] a33eaa37fdff269f8422aa04ea11ccd71ee84ecc5bdf149a08a3c6c52378d7eb [INFO] running `"docker" "start" "-a" "a33eaa37fdff269f8422aa04ea11ccd71ee84ecc5bdf149a08a3c6c52378d7eb"` [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:616:21 [INFO] [stderr] | [INFO] [stderr] 616 | ngrams[position].try_push_str(&delim); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.48s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/phrase-120947d30756c1e2 [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" "a33eaa37fdff269f8422aa04ea11ccd71ee84ecc5bdf149a08a3c6c52378d7eb"` [INFO] running `"docker" "rm" "-f" "a33eaa37fdff269f8422aa04ea11ccd71ee84ecc5bdf149a08a3c6c52378d7eb"` [INFO] [stdout] a33eaa37fdff269f8422aa04ea11ccd71ee84ecc5bdf149a08a3c6c52378d7eb