[INFO] updating cached repository https://github.com/amty/magreader [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] 9517eb8dd8f39a6b7e90e63f38cb4d8a89237d62 [INFO] checking amty/magreader against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famty%2Fmagreader" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amty/magreader on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/amty/magreader [INFO] finished tweaking git repo https://github.com/amty/magreader [INFO] tweaked toml for git repo https://github.com/amty/magreader written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/amty/magreader already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 853b906c7091de8dcedf9177949d4861dbe17f1dd350231735f8960d55ad09d5 [INFO] running `"docker" "start" "-a" "853b906c7091de8dcedf9177949d4861dbe17f1dd350231735f8960d55ad09d5"` [INFO] [stderr] Checking pipeline v0.5.0 [INFO] [stderr] Checking serde v1.0.43 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Compiling syn v0.13.4 [INFO] [stderr] Checking regex v0.2.10 [INFO] [stderr] Checking markdown v0.2.0 (https://github.com/amty/markdown.rs#788aa512) [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stderr] Compiling serde_derive v1.0.43 [INFO] [stderr] Checking csv v1.0.0-beta.5 [INFO] [stderr] Checking export-mags v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:70:37 [INFO] [stderr] | [INFO] [stderr] 70 | links = if let Some(mut ls) = links { [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:93:37 [INFO] [stderr] | [INFO] [stderr] 93 | links = if let Some(mut ls) = links { [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:127:24 [INFO] [stderr] | [INFO] [stderr] 127 | let (text, mut ls) = if let Some(mut ls) = links { [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:127:46 [INFO] [stderr] | [INFO] [stderr] 127 | let (text, mut ls) = if let Some(mut ls) = links { [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:70:37 [INFO] [stderr] | [INFO] [stderr] 70 | links = if let Some(mut ls) = links { [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:93:37 [INFO] [stderr] | [INFO] [stderr] 93 | links = if let Some(mut ls) = links { [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:127:24 [INFO] [stderr] | [INFO] [stderr] 127 | let (text, mut ls) = if let Some(mut ls) = links { [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:127:46 [INFO] [stderr] | [INFO] [stderr] 127 | let (text, mut ls) = if let Some(mut ls) = links { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.83s [INFO] running `"docker" "inspect" "853b906c7091de8dcedf9177949d4861dbe17f1dd350231735f8960d55ad09d5"` [INFO] running `"docker" "rm" "-f" "853b906c7091de8dcedf9177949d4861dbe17f1dd350231735f8960d55ad09d5"` [INFO] [stdout] 853b906c7091de8dcedf9177949d4861dbe17f1dd350231735f8960d55ad09d5