[INFO] cloning repository https://github.com/tomhoule/rocket-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomhoule/rocket-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Frocket-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Frocket-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df419f9df748831ea6ef2c1480bbb640d3372589
[INFO] checking tomhoule/rocket-experiment against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Frocket-experiment" "/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/tomhoule/rocket-experiment 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/tomhoule/rocket-experiment
[INFO] finished tweaking git repo https://github.com/tomhoule/rocket-experiment
[INFO] tweaked toml for git repo https://github.com/tomhoule/rocket-experiment written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tomhoule/rocket-experiment 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 if_chain v0.1.2
[INFO] [stderr]   Downloaded num-traits v0.1.42
[INFO] [stderr]   Downloaded proc-macro2 v0.1.10
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded crc v1.7.0
[INFO] [stderr]   Downloaded libflate v0.1.14
[INFO] [stderr]   Downloaded openssl-sys v0.9.24
[INFO] [stderr]   Downloaded handlebars v0.29.1
[INFO] [stderr]   Downloaded cookie v0.10.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.15
[INFO] [stderr]   Downloaded openssl v0.9.23
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.3
[INFO] [stderr]   Downloaded handlebars v0.27.0
[INFO] [stderr]   Downloaded schannel v0.1.10
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded mio v0.6.12
[INFO] [stderr]   Downloaded unicase_serde v0.1.0
[INFO] [stderr]   Downloaded rand v0.3.20
[INFO] [stderr]   Downloaded hyper v0.11.16
[INFO] [stderr]   Downloaded webdriver v0.33.0
[INFO] [stderr]   Downloaded futures-await-async-macro v0.1.1
[INFO] [stderr]   Downloaded migrations_internals v1.1.0
[INFO] [stderr]   Downloaded fluent-locale v0.3.0
[INFO] [stderr]   Downloaded diesel_migrations v1.1.0
[INFO] [stderr]   Downloaded reqwest v0.8.4
[INFO] [stderr]   Downloaded fantoccini v0.7.3
[INFO] [stderr]   Downloaded inlinable_string v0.1.9
[INFO] [stderr]   Downloaded luhnmod10 v1.1.0
[INFO] [stderr]   Downloaded futures-await-await-macro v0.1.0
[INFO] [stderr]   Downloaded migrations_macros v1.1.0
[INFO] [stderr]   Downloaded futures-await-quote v0.4.0
[INFO] [stderr]   Downloaded futures-await v0.1.0
[INFO] [stderr]   Downloaded validator_derive v0.6.1
[INFO] [stderr]   Downloaded card-validate v2.1.5
[INFO] [stderr]   Downloaded fluent v0.1.2
[INFO] [stderr]   Downloaded rocket_cors v0.2.1
[INFO] [stderr]   Downloaded validator v0.6.3
[INFO] [stderr]   Downloaded futures-await-synom v0.12.0
[INFO] [stderr]   Downloaded futures-await-syn v0.12.0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3de0a86c862431272c813f7817874f49d6803506bf79de9450eb36dac421d4c
[INFO] running `Command { std: "docker" "start" "-a" "f3de0a86c862431272c813f7817874f49d6803506bf79de9450eb36dac421d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3de0a86c862431272c813f7817874f49d6803506bf79de9450eb36dac421d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3de0a86c862431272c813f7817874f49d6803506bf79de9450eb36dac421d4c", kill_on_drop: false }`
[INFO] [stdout] f3de0a86c862431272c813f7817874f49d6803506bf79de9450eb36dac421d4c
[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] 80f7dc9d7eaf76700e6dae71fae9b089d9aa5217813656ebc405ef0502684f97
[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" "80f7dc9d7eaf76700e6dae71fae9b089d9aa5217813656ebc405ef0502684f97", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking pear v0.0.12
[INFO] [stderr]    Compiling build_const v0.2.0
[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]    Compiling luhnmod10 v1.1.0
[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" "80f7dc9d7eaf76700e6dae71fae9b089d9aa5217813656ebc405ef0502684f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f7dc9d7eaf76700e6dae71fae9b089d9aa5217813656ebc405ef0502684f97", kill_on_drop: false }`
[INFO] [stdout] 80f7dc9d7eaf76700e6dae71fae9b089d9aa5217813656ebc405ef0502684f97