[INFO] cloning repository https://github.com/spacekookie/tinyrocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spacekookie/tinyrocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Ftinyrocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Ftinyrocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 899654160ef57aeddffd59d209f6c38b95591b63
[INFO] checking spacekookie/tinyrocket against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Ftinyrocket" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spacekookie/tinyrocket on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spacekookie/tinyrocket
[INFO] finished tweaking git repo https://github.com/spacekookie/tinyrocket
[INFO] tweaked toml for git repo https://github.com/spacekookie/tinyrocket written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/spacekookie/tinyrocket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded rocket_contrib v0.3.6
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded yansi v0.3.4
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded ordermap v0.2.13
[INFO] [stderr]   Downloaded smallvec v0.4.4
[INFO] [stderr]   Downloaded serde v1.0.36
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.5
[INFO] [stderr]   Downloaded serde_json v1.0.13
[INFO] [stderr]   Downloaded untrusted v0.5.1
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] eb3ee40ec6c0e7b94ad5485baf8684d086081935b027135c8ea63c091a798667
[INFO] running `Command { std: "docker" "start" "-a" "eb3ee40ec6c0e7b94ad5485baf8684d086081935b027135c8ea63c091a798667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb3ee40ec6c0e7b94ad5485baf8684d086081935b027135c8ea63c091a798667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3ee40ec6c0e7b94ad5485baf8684d086081935b027135c8ea63c091a798667", kill_on_drop: false }`
[INFO] [stdout] eb3ee40ec6c0e7b94ad5485baf8684d086081935b027135c8ea63c091a798667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0877a528f9afaa2f271873df53420d10e4786c76f15c4458b5e2b01c5942688
[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" "d0877a528f9afaa2f271873df53420d10e4786c76f15c4458b5e2b01c5942688", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling untrusted v0.5.1
[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] 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" "d0877a528f9afaa2f271873df53420d10e4786c76f15c4458b5e2b01c5942688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0877a528f9afaa2f271873df53420d10e4786c76f15c4458b5e2b01c5942688", kill_on_drop: false }`
[INFO] [stdout] d0877a528f9afaa2f271873df53420d10e4786c76f15c4458b5e2b01c5942688