[INFO] cloning repository https://github.com/fbucek/rust-learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fbucek/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbucek%2Frust-learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbucek%2Frust-learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c9e6519936a7feebba6cd7b9148e88378b2c6b60 [INFO] testing fbucek/rust-learning against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbucek%2Frust-learning" "/workspace/builds/worker-23/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fbucek/rust-learning on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fbucek/rust-learning [INFO] finished tweaking git repo https://github.com/fbucek/rust-learning [INFO] tweaked toml for git repo https://github.com/fbucek/rust-learning written to /workspace/builds/worker-23/source/Cargo.toml [INFO] crate git repo https://github.com/fbucek/rust-learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2d2bac5396f15a25532daa82f973b29a5290b7740a454eaee78e78eb077d575 [INFO] running `Command { std: "docker" "start" "-a" "f2d2bac5396f15a25532daa82f973b29a5290b7740a454eaee78e78eb077d575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2d2bac5396f15a25532daa82f973b29a5290b7740a454eaee78e78eb077d575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2d2bac5396f15a25532daa82f973b29a5290b7740a454eaee78e78eb077d575", kill_on_drop: false }` [INFO] [stdout] f2d2bac5396f15a25532daa82f973b29a5290b7740a454eaee78e78eb077d575 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33255fcc801f4e69eccf31cd9f387bf9a24dbb7fb8ff021a2583f50f1bea7ea9 [INFO] running `Command { std: "docker" "start" "-a" "33255fcc801f4e69eccf31cd9f387bf9a24dbb7fb8ff021a2583f50f1bea7ea9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling futures-core v0.3.1 [INFO] [stderr] Compiling futures-sink v0.3.1 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling arc-swap v0.4.4 [INFO] [stderr] Compiling futures-task v0.3.1 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-io v0.3.1 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling copyless v0.1.4 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling dtoa v0.4.5 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling v_htmlescape v0.4.5 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stderr] Compiling smart-pointers v0.1.0 (/opt/rustwide/workdir/smart-pointers) [INFO] [stderr] Compiling testing v0.1.0 (/opt/rustwide/workdir/testing) [INFO] [stderr] Compiling Test v0.1.0 (/opt/rustwide/workdir/person) [INFO] [stderr] Compiling loops v0.1.0 (/opt/rustwide/workdir/loops) [INFO] [stderr] Compiling vecmacro v0.1.0 (/opt/rustwide/workdir/vecmacro) [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo) [INFO] [stderr] Compiling closures v0.1.0 (/opt/rustwide/workdir/closures) [INFO] [stderr] Compiling generic-types v0.1.0 (/opt/rustwide/workdir/generic-types) [INFO] [stderr] Compiling reference-cycle v0.1.0 (/opt/rustwide/workdir/reference-cycle) [INFO] [stderr] Compiling lifetimes v0.1.0 (/opt/rustwide/workdir/lifetimes) [INFO] [stderr] Compiling coins v0.1.0 (/opt/rustwide/workdir/coins) [INFO] [stderr] Compiling collections v0.1.0 (/opt/rustwide/workdir/collections) [INFO] [stderr] Compiling traits v0.1.0 (/opt/rustwide/workdir/traits) [INFO] [stderr] Compiling autotests v0.1.0 (/opt/rustwide/workdir/autotests) [INFO] [stderr] Compiling strings v0.1.0 (/opt/rustwide/workdir/strings) [INFO] [stderr] Compiling error v0.1.0 (/opt/rustwide/workdir/error) [INFO] [stderr] Compiling hasmap v0.1.0 (/opt/rustwide/workdir/hashmap) [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling lock_api v0.3.3 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> reference-cycle/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | value: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `children` [INFO] [stdout] --> reference-cycle/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> hello_cargo/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling parking_lot_core v0.7.0 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> lifetimes/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling socket2 v0.3.11 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling miniz_oxide v0.3.6 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling resolv-conf v0.6.2 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.10.0 [INFO] [stderr] Compiling http v0.2.0 [INFO] [stderr] Compiling bytestring v0.1.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] error: could not compile `regex-syntax` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.14/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=a9fa34be02edb36d -C extra-filename=-a9fa34be02edb36d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "33255fcc801f4e69eccf31cd9f387bf9a24dbb7fb8ff021a2583f50f1bea7ea9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33255fcc801f4e69eccf31cd9f387bf9a24dbb7fb8ff021a2583f50f1bea7ea9", kill_on_drop: false }` [INFO] [stdout] 33255fcc801f4e69eccf31cd9f387bf9a24dbb7fb8ff021a2583f50f1bea7ea9