[INFO] crate nu 0.17.0 is already in cache
[INFO] testing nu-0.17.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate nu 0.17.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nu 0.17.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking crates.io crate nu 0.17.0
[INFO] finished tweaking crates.io crate nu 0.17.0
[INFO] tweaked toml for crates.io crate nu 0.17.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate nu 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84c65c9021f63787449f71c367c7b1dd8ab7d4b80bfcab537d590e4fbeb990d1
[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" "84c65c9021f63787449f71c367c7b1dd8ab7d4b80bfcab537d590e4fbeb990d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84c65c9021f63787449f71c367c7b1dd8ab7d4b80bfcab537d590e4fbeb990d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c65c9021f63787449f71c367c7b1dd8ab7d4b80bfcab537d590e4fbeb990d1", kill_on_drop: false }`
[INFO] [stdout] 84c65c9021f63787449f71c367c7b1dd8ab7d4b80bfcab537d590e4fbeb990d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc005ff7e869f6d4774ef867bc750346b9f7b66e1aae8c8ffeae32cd79d1af11
[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" "dc005ff7e869f6d4774ef867bc750346b9f7b66e1aae8c8ffeae32cd79d1af11", 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] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling parking v1.0.3
[INFO] [stderr]    Compiling fastrand v1.3.2
[INFO] [stderr]    Compiling heim-common v0.1.0-beta.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling instant v0.1.4
[INFO] [stderr]    Compiling byte-unit v3.1.3
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling heim-host v0.1.0-beta.1
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling macaddr v1.0.1
[INFO] [stderr]    Compiling battery v0.7.5
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling sysinfo v0.14.7
[INFO] [stderr]    Compiling xmlparser v0.13.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.0
[INFO] [stderr]    Compiling result v1.0.0
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling umask v1.0.0
[INFO] [stderr]    Compiling filesize v0.2.0
[INFO] [stderr]    Compiling pretty-hex v0.1.1
[INFO] [stderr]    Compiling wild v2.0.4
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling path-slash v0.1.2
[INFO] [stderr]    Compiling open v1.4.0
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling nu-table v0.17.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling tint v1.0.1
[INFO] [stderr]    Compiling addr2line v0.12.2
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling lock_api v0.4.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling meval v0.2.0
[INFO] [stderr]    Compiling path_abs v0.5.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling content_inspector v0.2.4
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]    Compiling codepage v0.1.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling roxmltree v0.13.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling uom v0.26.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling fancy-regex v0.3.5
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling eml-parser v0.1.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling uom v0.28.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling terminal_size v0.1.12
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling users v0.10.0
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling zip v0.5.6
[INFO] [stderr]    Compiling dirs-next v1.0.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling shellexpand v2.0.0
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossterm v0.17.5
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]    Compiling onig_sys v69.5.0
[INFO] [stderr]    Compiling ansi_colours v1.0.1
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling rustyline v6.2.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.33/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=a849501dcc49ce7f -C extra-filename=-a849501dcc49ce7f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-54a4cb01f606d66b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-023787c314c51939.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a51f88c314603c68.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "dc005ff7e869f6d4774ef867bc750346b9f7b66e1aae8c8ffeae32cd79d1af11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc005ff7e869f6d4774ef867bc750346b9f7b66e1aae8c8ffeae32cd79d1af11", kill_on_drop: false }`
[INFO] [stdout] dc005ff7e869f6d4774ef867bc750346b9f7b66e1aae8c8ffeae32cd79d1af11