[INFO] cloning repository https://github.com/iovxw/thex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iovxw/thex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fthex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fthex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbca998d94cf16bef696e961243a76a0ed18ad71
[INFO] checking iovxw/thex against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fthex" "/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/iovxw/thex on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iovxw/thex
[INFO] finished tweaking git repo https://github.com/iovxw/thex
[INFO] tweaked toml for git repo https://github.com/iovxw/thex written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/iovxw/thex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-executor v0.1.0
[INFO] [stderr]   Downloaded r2d2_sqlite v0.5.0
[INFO] [stderr]   Downloaded cc v1.0.6
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.0
[INFO] [stderr]   Downloaded hyper v0.11.22
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded rocket_contrib v0.3.6
[INFO] [stderr]   Downloaded rusqlite v0.13.0
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded crossbeam-deque v0.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.9
[INFO] [stderr]   Downloaded schannel v0.1.11
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.0
[INFO] [stderr]   Downloaded base62 v0.3.0
[INFO] [stderr]   Downloaded tokio-core v0.1.14
[INFO] [stderr]   Downloaded tokio-reactor v0.1.0
[INFO] [stderr]   Downloaded num-traits v0.2.0
[INFO] [stderr]   Downloaded tokio v0.1.3
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded libsqlite3-sys v0.9.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab0feeb7ea5f571cb96303b049f225fe0094625db726acca750532bf2663f18f
[INFO] running `Command { std: "docker" "start" "-a" "ab0feeb7ea5f571cb96303b049f225fe0094625db726acca750532bf2663f18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0feeb7ea5f571cb96303b049f225fe0094625db726acca750532bf2663f18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0feeb7ea5f571cb96303b049f225fe0094625db726acca750532bf2663f18f", kill_on_drop: false }`
[INFO] [stdout] ab0feeb7ea5f571cb96303b049f225fe0094625db726acca750532bf2663f18f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cea9b23a87dd94ff81b1768b18b0466f456f55b0e6713c23f3d0a98384c4e3c
[INFO] running `Command { std: "docker" "start" "-a" "8cea9b23a87dd94ff81b1768b18b0466f456f55b0e6713c23f3d0a98384c4e3c", 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 version_check v0.1.3
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[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] 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" "8cea9b23a87dd94ff81b1768b18b0466f456f55b0e6713c23f3d0a98384c4e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cea9b23a87dd94ff81b1768b18b0466f456f55b0e6713c23f3d0a98384c4e3c", kill_on_drop: false }`
[INFO] [stdout] 8cea9b23a87dd94ff81b1768b18b0466f456f55b0e6713c23f3d0a98384c4e3c