[INFO] fetching crate stocker 0.2.0...
[INFO] checking stocker-0.2.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate stocker 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate stocker 0.2.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking crates.io crate stocker 0.2.0
[INFO] finished tweaking crates.io crate stocker 0.2.0
[INFO] tweaked toml for crates.io crate stocker 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate stocker 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a787dfc3fb266b6cb00968baa62693b24f992a8484c0fd5f35c2a91581c5f744
[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" "a787dfc3fb266b6cb00968baa62693b24f992a8484c0fd5f35c2a91581c5f744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a787dfc3fb266b6cb00968baa62693b24f992a8484c0fd5f35c2a91581c5f744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a787dfc3fb266b6cb00968baa62693b24f992a8484c0fd5f35c2a91581c5f744", kill_on_drop: false }`
[INFO] [stdout] a787dfc3fb266b6cb00968baa62693b24f992a8484c0fd5f35c2a91581c5f744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c241477d6d5669a8d4284fd72c225b880f53335f5fcb0840c95041852b9e0aef
[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" "c241477d6d5669a8d4284fd72c225b880f53335f5fcb0840c95041852b9e0aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking async-task v4.0.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking trilean v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking bimap v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking async-mutex v1.3.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.24
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking futures-lite v1.7.0
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking nb-connect v1.0.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking async-io v1.1.2
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking reactive-rs v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking ta v0.1.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-global-executor v1.1.1
[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking better-panic v0.2.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking gcollections v1.4.0
[INFO] [stderr]     Checking intervallum v1.3.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling snafu-derive v0.6.9
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling smol-potat-derive v0.1.0
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr] error: could not compile `snafu-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name snafu_derive --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/snafu-derive-0.6.9/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=610c8b82ffc1e0ea -C extra-filename=-610c8b82ffc1e0ea --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bd15efb437a64a8a.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-2f7c7bf2dabecd22.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-e5f79db8dedd2e6d.rlib --extern proc_macro --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" "c241477d6d5669a8d4284fd72c225b880f53335f5fcb0840c95041852b9e0aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c241477d6d5669a8d4284fd72c225b880f53335f5fcb0840c95041852b9e0aef", kill_on_drop: false }`
[INFO] [stdout] c241477d6d5669a8d4284fd72c225b880f53335f5fcb0840c95041852b9e0aef