[INFO] cloning repository https://github.com/ebsnet/blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ebsnet/blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febsnet%2Fblockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febsnet%2Fblockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1559a7b270f5da9a114ae806eff5ac2d32f2d462
[INFO] checking ebsnet/blockchain against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febsnet%2Fblockchain" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ebsnet/blockchain 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 git repo https://github.com/ebsnet/blockchain
[INFO] finished tweaking git repo https://github.com/ebsnet/blockchain
[INFO] tweaked toml for git repo https://github.com/ebsnet/blockchain written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ebsnet/blockchain 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.0
[INFO] [stderr]   Downloaded tokio-executor v0.1.0
[INFO] [stderr]   Downloaded clap v2.31.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded bincode v1.0.0
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.4
[INFO] [stderr]   Downloaded schannel v0.1.11
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded hyper v0.11.22
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded regex v0.2.9
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded env_logger v0.5.5
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded sha2 v0.7.0
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded regex-syntax v0.5.3
[INFO] [stderr]   Downloaded atty v0.2.8
[INFO] [stderr]   Downloaded termcolor v0.3.5
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.7
[INFO] [stderr]   Downloaded cc v1.0.7
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.0
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded serde_json v1.0.11
[INFO] [stderr]   Downloaded num-traits v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.33
[INFO] [stderr]   Downloaded rocket_contrib v0.3.6
[INFO] [stderr]   Downloaded tokio-reactor v0.1.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.0
[INFO] [stderr]   Downloaded tokio-core v0.1.15
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] [stderr]   Downloaded quickcheck v0.5.0
[INFO] [stderr]   Downloaded syn v0.12.14
[INFO] [stderr]   Downloaded memsec v0.4.1
[INFO] [stderr]   Downloaded mach_o_sys v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.33
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.27
[INFO] [stderr]   Downloaded seckey v0.8.0
[INFO] [stderr]   Downloaded tokio v0.1.3
[INFO] [stderr]   Downloaded memsec v0.5.1
[INFO] [stderr]   Downloaded rpassword v2.0.0
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded serde_derive_internals v0.21.0
[INFO] [stderr]   Downloaded openssl v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 00b15ac3e924ba77ce5e5ff8f59baf1584539e82a927acd79ed4dd139207ebd3
[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" "00b15ac3e924ba77ce5e5ff8f59baf1584539e82a927acd79ed4dd139207ebd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00b15ac3e924ba77ce5e5ff8f59baf1584539e82a927acd79ed4dd139207ebd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b15ac3e924ba77ce5e5ff8f59baf1584539e82a927acd79ed4dd139207ebd3", kill_on_drop: false }`
[INFO] [stdout] 00b15ac3e924ba77ce5e5ff8f59baf1584539e82a927acd79ed4dd139207ebd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2421fdfb7f47193796f029d6ce7bb653981dbc3978ee868d00e44ff869779b95
[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" "2421fdfb7f47193796f029d6ce7bb653981dbc3978ee868d00e44ff869779b95", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.7
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]    Compiling memsec v0.4.1
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]    Compiling memsec v0.5.1
[INFO] [stderr]    Compiling openssl v0.10.5
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stdout] error[E0635]: unknown feature `const_atomic_bool_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr] error: could not compile `yansi`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2421fdfb7f47193796f029d6ce7bb653981dbc3978ee868d00e44ff869779b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2421fdfb7f47193796f029d6ce7bb653981dbc3978ee868d00e44ff869779b95", kill_on_drop: false }`
[INFO] [stdout] 2421fdfb7f47193796f029d6ce7bb653981dbc3978ee868d00e44ff869779b95