[INFO] cloning repository https://github.com/levjj/rustsweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/levjj/rustsweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f7ac027074b1995f2bd7193e5fb31b34d6dbb42b [INFO] checking levjj/rustsweeper against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/levjj/rustsweeper on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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 /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/levjj/rustsweeper already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded yew v0.7.0 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.48 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.48 [INFO] [stderr] Downloaded yew-macro v0.7.0 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.48 [INFO] [stderr] Downloaded wasm-bindgen v0.2.48 [INFO] [stderr] Downloaded serde_json v1.0.40 [INFO] [stderr] Downloaded cc v1.0.38 [INFO] [stderr] Downloaded backtrace v0.3.34 [INFO] [stderr] Downloaded stdweb-derive v0.5.1 [INFO] [stderr] Downloaded serde v1.0.98 [INFO] [stderr] Downloaded stdweb-internal-macros v0.2.7 [INFO] [stderr] Downloaded synstructure v0.10.2 [INFO] [stderr] Downloaded failure v0.1.5 [INFO] [stderr] Downloaded bumpalo v2.5.0 [INFO] [stderr] Downloaded getrandom v0.1.7 [INFO] [stderr] Downloaded http v0.1.18 [INFO] [stderr] Downloaded serde_derive v1.0.98 [INFO] [stderr] Downloaded libc v0.2.60 [INFO] [stderr] Downloaded stdweb v0.4.18 [INFO] [stderr] Downloaded rustc-demangle v0.1.15 [INFO] [stderr] Downloaded failure_derive v0.1.5 [INFO] [stderr] Downloaded base-x v0.2.5 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.48 [INFO] [stderr] Downloaded stdweb-internal-runtime v0.1.4 [INFO] [stderr] Downloaded syn v0.15.42 [INFO] [stderr] Downloaded proc-macro-hack v0.5.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4bb42a4f8e78cd703374da461475858af43e723f36cc0c4baf68a3175ca09cfa [INFO] running `Command { std: "docker" "start" "-a" "4bb42a4f8e78cd703374da461475858af43e723f36cc0c4baf68a3175ca09cfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bb42a4f8e78cd703374da461475858af43e723f36cc0c4baf68a3175ca09cfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bb42a4f8e78cd703374da461475858af43e723f36cc0c4baf68a3175ca09cfa", kill_on_drop: false }` [INFO] [stdout] 4bb42a4f8e78cd703374da461475858af43e723f36cc0c4baf68a3175ca09cfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27095a1781cd7a8a84654b7f51954da8a8111350eb4401d50b15bb2dabc3c018 [INFO] running `Command { std: "docker" "start" "-a" "27095a1781cd7a8a84654b7f51954da8a8111350eb4401d50b15bb2dabc3c018", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.4 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling stdweb v0.4.18 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking getrandom v0.1.7 [INFO] [stderr] Compiling base-x v0.2.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling yew v0.7.0 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking anymap v0.12.1 [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 yew-macro v0.7.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling 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] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/model.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | x += 1; [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stdout] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/model.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | x += 1; [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stdout] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/model.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | x += 1; [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stdout] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/model.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | x += 1; [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stdout] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/model.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | x += 1; [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stdout] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/model.rs:276:17 [INFO] [stdout] | [INFO] [stdout] 276 | y += 1; [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 293 | assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0)) [INFO] [stdout] | ------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.42s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: stdweb v0.4.18 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "27095a1781cd7a8a84654b7f51954da8a8111350eb4401d50b15bb2dabc3c018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27095a1781cd7a8a84654b7f51954da8a8111350eb4401d50b15bb2dabc3c018", kill_on_drop: false }` [INFO] [stdout] 27095a1781cd7a8a84654b7f51954da8a8111350eb4401d50b15bb2dabc3c018