[INFO] updating cached repository https://github.com/cg505/gethostkeys [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] 8b76c2d8a0be0ad5dc5df730e0f177075c4b2816 [INFO] testing cg505/gethostkeys against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcg505%2Fgethostkeys" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cg505/gethostkeys on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cg505/gethostkeys [INFO] finished tweaking git repo https://github.com/cg505/gethostkeys [INFO] tweaked toml for git repo https://github.com/cg505/gethostkeys written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/cg505/gethostkeys already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 981ac6ba7e94683ce4ff8a91fd396318eb17e5c74fed30932f129c8f05b3e0e8 [INFO] running `"docker" "start" "-a" "981ac6ba7e94683ce4ff8a91fd396318eb17e5c74fed30932f129c8f05b3e0e8"` [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling dirs v1.0.4 [INFO] [stderr] Compiling socket2 v0.3.8 [INFO] [stderr] Compiling openssl-sys v0.9.40 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling curl-sys v0.4.15 [INFO] [stderr] Compiling curl v0.4.19 [INFO] [stderr] Compiling gethostkeys v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `dest` is never read [INFO] [stderr] --> src/main.rs:93:7 [INFO] [stderr] | [INFO] [stderr] 93 | let mut dest = String::new(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:13:6 [INFO] [stderr] | [INFO] [stderr] 13 | let mut file = match OpenOptions::new() [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/main.rs:22:6 [INFO] [stderr] | [INFO] [stderr] 22 | let mut reader = BufReader::new(file); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:46:6 [INFO] [stderr] | [INFO] [stderr] 46 | let mut file = match OpenOptions::new() [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.42s [INFO] running `"docker" "inspect" "981ac6ba7e94683ce4ff8a91fd396318eb17e5c74fed30932f129c8f05b3e0e8"` [INFO] running `"docker" "rm" "-f" "981ac6ba7e94683ce4ff8a91fd396318eb17e5c74fed30932f129c8f05b3e0e8"` [INFO] [stdout] 981ac6ba7e94683ce4ff8a91fd396318eb17e5c74fed30932f129c8f05b3e0e8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ed7cb939ed3361e5f0d57d4a416e39a32be22c45c56614c2eabb934f16b48a94 [INFO] running `"docker" "start" "-a" "ed7cb939ed3361e5f0d57d4a416e39a32be22c45c56614c2eabb934f16b48a94"` [INFO] [stderr] Compiling gethostkeys v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `dest` is never read [INFO] [stderr] --> src/main.rs:93:7 [INFO] [stderr] | [INFO] [stderr] 93 | let mut dest = String::new(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:13:6 [INFO] [stderr] | [INFO] [stderr] 13 | let mut file = match OpenOptions::new() [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/main.rs:22:6 [INFO] [stderr] | [INFO] [stderr] 22 | let mut reader = BufReader::new(file); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:46:6 [INFO] [stderr] | [INFO] [stderr] 46 | let mut file = match OpenOptions::new() [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `"docker" "inspect" "ed7cb939ed3361e5f0d57d4a416e39a32be22c45c56614c2eabb934f16b48a94"` [INFO] running `"docker" "rm" "-f" "ed7cb939ed3361e5f0d57d4a416e39a32be22c45c56614c2eabb934f16b48a94"` [INFO] [stdout] ed7cb939ed3361e5f0d57d4a416e39a32be22c45c56614c2eabb934f16b48a94 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a1175c24303ef77dde06a1cb1051a988d6af6cde8e225c3190c392f9527c5297 [INFO] running `"docker" "start" "-a" "a1175c24303ef77dde06a1cb1051a988d6af6cde8e225c3190c392f9527c5297"` [INFO] [stderr] warning: value assigned to `dest` is never read [INFO] [stderr] --> src/main.rs:93:7 [INFO] [stderr] | [INFO] [stderr] 93 | let mut dest = String::new(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:13:6 [INFO] [stderr] | [INFO] [stderr] 13 | let mut file = match OpenOptions::new() [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/main.rs:22:6 [INFO] [stderr] | [INFO] [stderr] 22 | let mut reader = BufReader::new(file); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:46:6 [INFO] [stderr] | [INFO] [stderr] 46 | let mut file = match OpenOptions::new() [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/gethostkeys-d4b0f89b91389cd5 [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" "a1175c24303ef77dde06a1cb1051a988d6af6cde8e225c3190c392f9527c5297"` [INFO] running `"docker" "rm" "-f" "a1175c24303ef77dde06a1cb1051a988d6af6cde8e225c3190c392f9527c5297"` [INFO] [stdout] a1175c24303ef77dde06a1cb1051a988d6af6cde8e225c3190c392f9527c5297