[INFO] fetching crate cuckoo_miner 0.5.2... [INFO] testing cuckoo_miner-0.5.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate cuckoo_miner 0.5.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate cuckoo_miner 0.5.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate cuckoo_miner 0.5.2 [INFO] finished tweaking crates.io crate cuckoo_miner 0.5.2 [INFO] tweaked toml for crates.io crate cuckoo_miner 0.5.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded const-cstr v0.2.1 [INFO] [stderr] Downloaded grin_miner_plugin v0.5.2 [INFO] [stderr] Downloaded grin_miner_util v0.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3ffb2178d5b76f0d33a1f9a30a99e1ff66f32d3abebf1fd69bdc154a2389d766 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3ffb2178d5b76f0d33a1f9a30a99e1ff66f32d3abebf1fd69bdc154a2389d766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ffb2178d5b76f0d33a1f9a30a99e1ff66f32d3abebf1fd69bdc154a2389d766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ffb2178d5b76f0d33a1f9a30a99e1ff66f32d3abebf1fd69bdc154a2389d766", kill_on_drop: false }` [INFO] [stdout] 3ffb2178d5b76f0d33a1f9a30a99e1ff66f32d3abebf1fd69bdc154a2389d766 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b2f94a544fd514403d722a0d89ea430ba8515b95301faacd69fe6c8c8263cee [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4b2f94a544fd514403d722a0d89ea430ba8515b95301faacd69fe6c8c8263cee", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling slog v2.1.1 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling object v0.22.0 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling blake2-rfc v0.2.18 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling term v0.6.1 [INFO] [stderr] Compiling cuckoo_miner v0.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sanity::Finder` [INFO] [stdout] --> src/build.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use sanity::Finder; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Finder` [INFO] [stdout] --> src/sanity.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Finder { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sanity.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `maybe_have` [INFO] [stdout] --> src/sanity.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn maybe_have>(&mut self, cmd: S) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling slog-async v2.5.0 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] error: could not compile `object` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.22.0/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 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=cbbcfc982128e6f3 -C extra-filename=-cbbcfc982128e6f3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "4b2f94a544fd514403d722a0d89ea430ba8515b95301faacd69fe6c8c8263cee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b2f94a544fd514403d722a0d89ea430ba8515b95301faacd69fe6c8c8263cee", kill_on_drop: false }` [INFO] [stdout] 4b2f94a544fd514403d722a0d89ea430ba8515b95301faacd69fe6c8c8263cee