[INFO] cloning repository https://github.com/Olson3R/advent-of-code-2018-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Olson3R/advent-of-code-2018-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlson3R%2Fadvent-of-code-2018-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlson3R%2Fadvent-of-code-2018-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf82db87eeb65c5a1305ea0296553c2334d844b4 [INFO] testing Olson3R/advent-of-code-2018-rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlson3R%2Fadvent-of-code-2018-rust" "/workspace/builds/worker-101/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Olson3R/advent-of-code-2018-rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Olson3R/advent-of-code-2018-rust [INFO] finished tweaking git repo https://github.com/Olson3R/advent-of-code-2018-rust [INFO] tweaked toml for git repo https://github.com/Olson3R/advent-of-code-2018-rust written to /workspace/builds/worker-101/source/Cargo.toml [INFO] crate git repo https://github.com/Olson3R/advent-of-code-2018-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eefd975bc9882d82b72967df92012a44fc459dcd8159c4f3fb39604c418b70cd [INFO] running `Command { std: "docker" "start" "-a" "eefd975bc9882d82b72967df92012a44fc459dcd8159c4f3fb39604c418b70cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eefd975bc9882d82b72967df92012a44fc459dcd8159c4f3fb39604c418b70cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eefd975bc9882d82b72967df92012a44fc459dcd8159c4f3fb39604c418b70cd", kill_on_drop: false }` [INFO] [stdout] eefd975bc9882d82b72967df92012a44fc459dcd8159c4f3fb39604c418b70cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 938054b2af19bc55f62e1660bb6f4e1c332ff4656b2f16706449fd829db05bbe [INFO] running `Command { std: "docker" "start" "-a" "938054b2af19bc55f62e1660bb6f4e1c332ff4656b2f16706449fd829db05bbe", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling advent-of-code-2018-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/util.rs:9:45 [INFO] [stdout] | [INFO] [stdout] 9 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut br = BufReader::new(&f); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/bin/d05-part2.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/bin/d05-part2.rs:20:26 [INFO] [stdout] | [INFO] [stdout] 20 | for b in (b'a'..=b'z') { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - for b in (b'a'..=b'z') { [INFO] [stdout] 20 + for b in b'a'..=b'z' { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/bin/d05-part1.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/bin/d05-part1.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | for b in (b'a'..=b'z') { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 13 - for b in (b'a'..=b'z') { [INFO] [stdout] 13 + for b in b'a'..=b'z' { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.08s [INFO] running `Command { std: "docker" "inspect" "938054b2af19bc55f62e1660bb6f4e1c332ff4656b2f16706449fd829db05bbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "938054b2af19bc55f62e1660bb6f4e1c332ff4656b2f16706449fd829db05bbe", kill_on_drop: false }` [INFO] [stdout] 938054b2af19bc55f62e1660bb6f4e1c332ff4656b2f16706449fd829db05bbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ab3a9cf5e4b7cf923473a7fb95a22075341befe81d6a7486c250ee9ecc67bb2 [INFO] running `Command { std: "docker" "start" "-a" "8ab3a9cf5e4b7cf923473a7fb95a22075341befe81d6a7486c250ee9ecc67bb2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: advent-of-code-2018-rust v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling openssl v0.10.15 [INFO] [stderr] Compiling unicode-normalization v0.1.7 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling string v0.1.2 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling crc32fast v1.1.2 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling encoding_rs v0.8.13 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling ascii v0.9.1 [INFO] [stderr] Compiling linked-hash-map v0.5.1 [INFO] [stderr] Compiling target v1.0.0 [INFO] [stderr] Compiling assert_matches v1.3.0 [INFO] [stderr] Compiling edit-distance v2.0.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.1 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling term_size v0.3.1 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling arrayvec v0.4.8 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/util.rs:9:45 [INFO] [stdout] | [INFO] [stdout] 9 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut br = BufReader::new(&f); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling pad v0.1.5 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling smallvec v0.6.7 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling ctrlc v3.1.1 [INFO] [stderr] error: could not compile `nix` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.11.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f0d56482ffc75500 -C extra-filename=-f0d56482ffc75500 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-257fd09b908c4179.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4a0a4d007dac91ef.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-bcea9e469b1a3488.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-908b01a274af8ae5.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8ab3a9cf5e4b7cf923473a7fb95a22075341befe81d6a7486c250ee9ecc67bb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ab3a9cf5e4b7cf923473a7fb95a22075341befe81d6a7486c250ee9ecc67bb2", kill_on_drop: false }` [INFO] [stdout] 8ab3a9cf5e4b7cf923473a7fb95a22075341befe81d6a7486c250ee9ecc67bb2