[INFO] cloning repository https://github.com/ashellwig/hello-rocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashellwig/hello-rocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashellwig%2Fhello-rocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashellwig%2Fhello-rocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cca9c3d467a0b873515828aeb3e7b2831bbc085f
[INFO] checking ashellwig/hello-rocket against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashellwig%2Fhello-rocket" "/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/ashellwig/hello-rocket on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ashellwig/hello-rocket
[INFO] finished tweaking git repo https://github.com/ashellwig/hello-rocket
[INFO] tweaked toml for git repo https://github.com/ashellwig/hello-rocket written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ashellwig/hello-rocket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded time v0.1.38
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded state v0.3.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.33
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.2
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded either v1.4.0
[INFO] [stderr]   Downloaded ordermap v0.2.13
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded rand v0.3.19
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded log v0.4.0
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded yansi v0.3.4
[INFO] [stderr]   Downloaded coco v0.1.1
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded rocket_codegen v0.3.5
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.2
[INFO] [stderr]   Downloaded rayon-core v1.3.0
[INFO] [stderr]   Downloaded untrusted v0.5.1
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded httparse v1.2.3
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded url v1.6.0
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] [stderr]   Downloaded smallvec v0.4.4
[INFO] [stderr]   Downloaded serde v1.0.26
[INFO] [stderr]   Downloaded rocket v0.3.5
[INFO] [stderr]   Downloaded unicode-normalization v0.1.5
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88a80f8d7f26a9609993186e90b6484ae6bb3572d60ea5ff0d4b9fa73cf4f6b4
[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" "88a80f8d7f26a9609993186e90b6484ae6bb3572d60ea5ff0d4b9fa73cf4f6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88a80f8d7f26a9609993186e90b6484ae6bb3572d60ea5ff0d4b9fa73cf4f6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a80f8d7f26a9609993186e90b6484ae6bb3572d60ea5ff0d4b9fa73cf4f6b4", kill_on_drop: false }`
[INFO] [stdout] 88a80f8d7f26a9609993186e90b6484ae6bb3572d60ea5ff0d4b9fa73cf4f6b4
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f534f2dfd9c2c3b440fe0f137988f51eb7f39ff82a98b2ee9b733771ba0c0c7
[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" "0f534f2dfd9c2c3b440fe0f137988f51eb7f39ff82a98b2ee9b733771ba0c0c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[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] [stderr]    Compiling byteorder v1.2.1
[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" "0f534f2dfd9c2c3b440fe0f137988f51eb7f39ff82a98b2ee9b733771ba0c0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f534f2dfd9c2c3b440fe0f137988f51eb7f39ff82a98b2ee9b733771ba0c0c7", kill_on_drop: false }`
[INFO] [stdout] 0f534f2dfd9c2c3b440fe0f137988f51eb7f39ff82a98b2ee9b733771ba0c0c7