[INFO] fetching crate i2cbus 0.1.2...
[INFO] checking i2cbus-0.1.2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate i2cbus 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate i2cbus 0.1.2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i2cbus 0.1.2
[INFO] finished tweaking crates.io crate i2cbus 0.1.2
[INFO] tweaked toml for crates.io crate i2cbus 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate i2cbus 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i2cdev2 v0.4.0
[INFO] [stderr]   Downloaded httpd-util v0.1.6
[INFO] [stderr]   Downloaded i2cbus-api v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c93630e0b292284d35eed4aed682b39e4f9462a488dba1a5b164717900728fd8
[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" "c93630e0b292284d35eed4aed682b39e4f9462a488dba1a5b164717900728fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c93630e0b292284d35eed4aed682b39e4f9462a488dba1a5b164717900728fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93630e0b292284d35eed4aed682b39e4f9462a488dba1a5b164717900728fd8", kill_on_drop: false }`
[INFO] [stdout] c93630e0b292284d35eed4aed682b39e4f9462a488dba1a5b164717900728fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3333df07fb3c4d5d50ce81f0d9d4ba7eb66ffc85b0bf7839b5ced4c37a347a53
[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" "3333df07fb3c4d5d50ce81f0d9d4ba7eb66ffc85b0bf7839b5ced4c37a347a53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.24
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling pnet v0.26.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking hyper-old-types v0.11.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[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-0.6.17/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="default"' --cfg 'feature="unicode"' --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=ba9460444d63af6a -C extra-filename=-ba9460444d63af6a --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" "3333df07fb3c4d5d50ce81f0d9d4ba7eb66ffc85b0bf7839b5ced4c37a347a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3333df07fb3c4d5d50ce81f0d9d4ba7eb66ffc85b0bf7839b5ced4c37a347a53", kill_on_drop: false }`
[INFO] [stdout] 3333df07fb3c4d5d50ce81f0d9d4ba7eb66ffc85b0bf7839b5ced4c37a347a53