[INFO] updating cached repository https://github.com/justinrlle/zrglng [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] 9b75f53d11954f5234edf1dc4994075cea2a4ff3 [INFO] checking justinrlle/zrglng against try#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinrlle%2Fzrglng" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/justinrlle/zrglng on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/justinrlle/zrglng [INFO] finished tweaking git repo https://github.com/justinrlle/zrglng [INFO] tweaked toml for git repo https://github.com/justinrlle/zrglng written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/justinrlle/zrglng already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5b004096d0a4aa1c1cfe66d4235ae9f33045a135d8248d33422c7a4f80e9f93a [INFO] running `"docker" "start" "-a" "5b004096d0a4aa1c1cfe66d4235ae9f33045a135d8248d33422c7a4f80e9f93a"` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.3 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling curl v0.4.23 [INFO] [stderr] Compiling isahc v0.7.3 [INFO] [stderr] Compiling libnghttp2-sys v0.1.2 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling curl-sys v0.4.21 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Checking sluice v0.4.2 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking futures-timer v0.4.0 [INFO] [stderr] Checking async-std v0.99.5 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.3.1 [INFO] [stderr] Checking structopt v0.3.1 [INFO] [stderr] Checking zrglng v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: irrefutable while-let pattern [INFO] [stderr] --> src/main.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | / while let n_read = body.read(&mut buf).await.map_err(|e| err_of!(e, "failed to read from body at byte {}", count))? { [INFO] [stderr] 92 | | if n_read == 0 { [INFO] [stderr] 93 | | break [INFO] [stderr] 94 | | } [INFO] [stderr] ... | [INFO] [stderr] 99 | | file.write_all(out_buf).await.map_err(|e| err_of!(e, "failed to write to file at byte {}", count))?; [INFO] [stderr] 100 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable while-let pattern [INFO] [stderr] --> src/main.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | / while let n_read = body.read(&mut buf).await.map_err(|e| err_of!(e, "failed to read from body at byte {}", count))? { [INFO] [stderr] 92 | | if n_read == 0 { [INFO] [stderr] 93 | | break [INFO] [stderr] 94 | | } [INFO] [stderr] ... | [INFO] [stderr] 99 | | file.write_all(out_buf).await.map_err(|e| err_of!(e, "failed to write to file at byte {}", count))?; [INFO] [stderr] 100 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `"docker" "inspect" "5b004096d0a4aa1c1cfe66d4235ae9f33045a135d8248d33422c7a4f80e9f93a"` [INFO] running `"docker" "rm" "-f" "5b004096d0a4aa1c1cfe66d4235ae9f33045a135d8248d33422c7a4f80e9f93a"` [INFO] [stdout] 5b004096d0a4aa1c1cfe66d4235ae9f33045a135d8248d33422c7a4f80e9f93a