[INFO] cloning repository https://github.com/kalvatn/knowit-julekalender [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kalvatn/knowit-julekalender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalvatn%2Fknowit-julekalender", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalvatn%2Fknowit-julekalender'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d4e5aebdebf74f1a32b4ea0af38140f41d051c79 [INFO] checking kalvatn/knowit-julekalender against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalvatn%2Fknowit-julekalender" "/workspace/builds/worker-54/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kalvatn/knowit-julekalender on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kalvatn/knowit-julekalender [INFO] finished tweaking git repo https://github.com/kalvatn/knowit-julekalender [INFO] tweaked toml for git repo https://github.com/kalvatn/knowit-julekalender written to /workspace/builds/worker-54/source/Cargo.toml [INFO] crate git repo https://github.com/kalvatn/knowit-julekalender already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 46c6bea91dde84de158639b20844098cec72f93b24a84b166a65ed9d1d5784f4 [INFO] running `Command { std: "docker" "start" "-a" "46c6bea91dde84de158639b20844098cec72f93b24a84b166a65ed9d1d5784f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46c6bea91dde84de158639b20844098cec72f93b24a84b166a65ed9d1d5784f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46c6bea91dde84de158639b20844098cec72f93b24a84b166a65ed9d1d5784f4", kill_on_drop: false }` [INFO] [stdout] 46c6bea91dde84de158639b20844098cec72f93b24a84b166a65ed9d1d5784f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e9121c2b8479b165c28ab38a42ebd0337f78483a108bae3ff6061111f58c244 [INFO] running `Command { std: "docker" "start" "-a" "1e9121c2b8479b165c28ab38a42ebd0337f78483a108bae3ff6061111f58c244", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling cc v1.0.65 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling native-tls v0.2.6 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling encoding_rs v0.8.26 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking primes v0.3.0 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking tracing v0.1.22 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking net2 v0.2.36 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Checking socket2 v0.3.17 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking tokio v0.2.23 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking hyper v0.13.9 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.9 [INFO] [stderr] Checking knowit-julekalender v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/bin/2020/07.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/bin/2020/07.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/bin/2020/07.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let mid = (size / 2); [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/bin/2020/07.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let mid = (size / 2); [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width_first_branch` [INFO] [stdout] --> src/bin/2020/07.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let width_first_branch = grid[y] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_width_first_branch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `last_width` is assigned to, but never used [INFO] [stdout] --> src/bin/2020/07.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut last_width = width; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_last_width` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `branch` is assigned to, but never used [INFO] [stdout] --> src/bin/2020/07.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut branch = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_branch` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_width` is never read [INFO] [stdout] --> src/bin/2020/07.rs:111:11 [INFO] [stdout] | [INFO] [stdout] 111 | last_width = width; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_width` is never read [INFO] [stdout] --> src/bin/2020/07.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | last_width = branch_width; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width_first_branch` [INFO] [stdout] --> src/bin/2020/07.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let width_first_branch = grid[y] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_width_first_branch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `last_width` is assigned to, but never used [INFO] [stdout] --> src/bin/2020/07.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut last_width = width; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_last_width` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `branch` is assigned to, but never used [INFO] [stdout] --> src/bin/2020/07.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut branch = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_branch` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_width` is never read [INFO] [stdout] --> src/bin/2020/07.rs:111:11 [INFO] [stdout] | [INFO] [stdout] 111 | last_width = width; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_width` is never read [INFO] [stdout] --> src/bin/2020/07.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | last_width = branch_width; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `load_test_input` [INFO] [stdout] --> src/bin/2020/07.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn load_test_input() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.08s [INFO] running `Command { std: "docker" "inspect" "1e9121c2b8479b165c28ab38a42ebd0337f78483a108bae3ff6061111f58c244", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e9121c2b8479b165c28ab38a42ebd0337f78483a108bae3ff6061111f58c244", kill_on_drop: false }` [INFO] [stdout] 1e9121c2b8479b165c28ab38a42ebd0337f78483a108bae3ff6061111f58c244