[INFO] cloning repository https://github.com/vitvakatu/cryptocurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitvakatu/cryptocurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Fcryptocurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Fcryptocurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3cc1707b3e2bdd1a5082e9727f709af10b40403
[INFO] checking vitvakatu/cryptocurrency against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Fcryptocurrency" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vitvakatu/cryptocurrency on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vitvakatu/cryptocurrency
[INFO] finished tweaking git repo https://github.com/vitvakatu/cryptocurrency
[INFO] tweaked toml for git repo https://github.com/vitvakatu/cryptocurrency written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/vitvakatu/cryptocurrency already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-fs v0.1.1
[INFO] [stderr]   Downloaded chacha20-poly1305-aead v0.1.2
[INFO] [stderr]   Downloaded exonum_rocksdb v0.7.4
[INFO] [stderr]   Downloaded exonum_librocksdb-sys v0.5.4
[INFO] [stderr]   Downloaded httparse v1.3.1
[INFO] [stderr]   Downloaded rust_decimal v0.9.0
[INFO] [stderr]   Downloaded snow v0.1.9
[INFO] [stderr]   Downloaded exonum_libsodium-sys v0.0.19
[INFO] [stderr]   Downloaded os_info v1.0.1
[INFO] [stderr]   Downloaded exonum_sodiumoxide v0.0.19
[INFO] [stderr]   Downloaded exonum v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c369c6156a0effb5adb38ca40fab529e36b8cf5968715265ad67d78138233e92
[INFO] running `Command { std: "docker" "start" "-a" "c369c6156a0effb5adb38ca40fab529e36b8cf5968715265ad67d78138233e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c369c6156a0effb5adb38ca40fab529e36b8cf5968715265ad67d78138233e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c369c6156a0effb5adb38ca40fab529e36b8cf5968715265ad67d78138233e92", kill_on_drop: false }`
[INFO] [stdout] c369c6156a0effb5adb38ca40fab529e36b8cf5968715265ad67d78138233e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c7324921484d6f62a46c8e53fc5386ccb88a374c84025e2412efba376e8a80a
[INFO] running `Command { std: "docker" "start" "-a" "6c7324921484d6f62a46c8e53fc5386ccb88a374c84025e2412efba376e8a80a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling httparse v1.3.1
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling os_info v1.0.1
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking sequence_trie v0.3.5
[INFO] [stderr]    Compiling exonum v0.8.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking headers v0.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling xattr v0.2.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustc_serialize /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=6f34013fb813232d -C extra-filename=-6f34013fb813232d --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" "6c7324921484d6f62a46c8e53fc5386ccb88a374c84025e2412efba376e8a80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7324921484d6f62a46c8e53fc5386ccb88a374c84025e2412efba376e8a80a", kill_on_drop: false }`
[INFO] [stdout] 6c7324921484d6f62a46c8e53fc5386ccb88a374c84025e2412efba376e8a80a