[INFO] updating cached repository https://github.com/levjj/rustsweeper [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] f7ac027074b1995f2bd7193e5fb31b34d6dbb42b [INFO] checking levjj/rustsweeper against master#f834695781d00daa61d04e11720403ff32cb0e78 for pr-63831 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper" "work/builds/worker-6/source"` [INFO] [stderr] Cloning into 'work/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/levjj/rustsweeper on toolchain f834695781d00daa61d04e11720403ff32cb0e78 [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+f834695781d00daa61d04e11720403ff32cb0e78" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/levjj/rustsweeper [INFO] finished tweaking git repo https://github.com/levjj/rustsweeper [INFO] tweaked toml for git repo https://github.com/levjj/rustsweeper written to work/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/levjj/rustsweeper already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+f834695781d00daa61d04e11720403ff32cb0e78" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+f834695781d00daa61d04e11720403ff32cb0e78" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 85453c6ed65dd1d9039ff80b5a930cdb9c5165dba930962c3d814a24600289e2 [INFO] running `"docker" "start" "-a" "85453c6ed65dd1d9039ff80b5a930cdb9c5165dba930962c3d814a24600289e2"` [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.4 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling base-x v0.2.5 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Compiling yew v0.7.0 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling stdweb v0.4.18 [INFO] [stderr] Checking getrandom v0.1.7 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking http v0.1.18 [INFO] [stderr] Checking backtrace v0.3.34 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling proc-macro-hack v0.5.8 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling yew-macro v0.7.0 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking bincode v1.0.1 [INFO] [stderr] Compiling stdweb-derive v0.5.1 [INFO] [stderr] Compiling stdweb-internal-macros v0.2.7 [INFO] [stderr] Checking rustsweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/model.rs:268:17 [INFO] [stderr] | [INFO] [stderr] 268 | x += 1; [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stderr] | ------------------------------------------------------------------------------- in this macro invocation [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: value assigned to `x` is never read [INFO] [stderr] --> src/model.rs:268:17 [INFO] [stderr] | [INFO] [stderr] 268 | x += 1; [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stderr] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/model.rs:268:17 [INFO] [stderr] | [INFO] [stderr] 268 | x += 1; [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stderr] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/model.rs:268:17 [INFO] [stderr] | [INFO] [stderr] 268 | x += 1; [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stderr] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/model.rs:268:17 [INFO] [stderr] | [INFO] [stderr] 268 | x += 1; [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stderr] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `y` is never read [INFO] [stderr] --> src/model.rs:276:17 [INFO] [stderr] | [INFO] [stderr] 276 | y += 1; [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stderr] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 03s [INFO] running `"docker" "inspect" "85453c6ed65dd1d9039ff80b5a930cdb9c5165dba930962c3d814a24600289e2"` [INFO] running `"docker" "rm" "-f" "85453c6ed65dd1d9039ff80b5a930cdb9c5165dba930962c3d814a24600289e2"` [INFO] [stdout] 85453c6ed65dd1d9039ff80b5a930cdb9c5165dba930962c3d814a24600289e2