[INFO] cloning repository https://github.com/OutThisLife/tos-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OutThisLife/tos-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOutThisLife%2Ftos-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOutThisLife%2Ftos-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad3a51e9e8ead0da2b33529991c90ecb3dfc6afa
[INFO] checking OutThisLife/tos-book against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOutThisLife%2Ftos-book" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OutThisLife/tos-book on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OutThisLife/tos-book
[INFO] finished tweaking git repo https://github.com/OutThisLife/tos-book
[INFO] tweaked toml for git repo https://github.com/OutThisLife/tos-book written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/OutThisLife/tos-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26588a8c15169ec5ae6e58f6dfe6659d822b2ccb5b12a50223c9e5487478eaa0
[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" "26588a8c15169ec5ae6e58f6dfe6659d822b2ccb5b12a50223c9e5487478eaa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26588a8c15169ec5ae6e58f6dfe6659d822b2ccb5b12a50223c9e5487478eaa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26588a8c15169ec5ae6e58f6dfe6659d822b2ccb5b12a50223c9e5487478eaa0", kill_on_drop: false }`
[INFO] [stdout] 26588a8c15169ec5ae6e58f6dfe6659d822b2ccb5b12a50223c9e5487478eaa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d825577c128ae8200d635bba4f883b0567e5c7c6aceb2895916aa1073abfaa4b
[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" "d825577c128ae8200d635bba4f883b0567e5c7c6aceb2895916aa1073abfaa4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking macro-utils v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/literalext-0.1.1/src/lib.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr] error: could not compile `literalext`.
[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" "d825577c128ae8200d635bba4f883b0567e5c7c6aceb2895916aa1073abfaa4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d825577c128ae8200d635bba4f883b0567e5c7c6aceb2895916aa1073abfaa4b", kill_on_drop: false }`
[INFO] [stdout] d825577c128ae8200d635bba4f883b0567e5c7c6aceb2895916aa1073abfaa4b
