[INFO] updating cached repository https://github.com/Tzrlk/myth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 075f2c1b0710ace560d5407632ffe4d488a016b2
[INFO] checking Tzrlk/myth against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTzrlk%2Fmyth" "/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/Tzrlk/myth on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tzrlk/myth
[INFO] finished tweaking git repo https://github.com/Tzrlk/myth
[INFO] tweaked toml for git repo https://github.com/Tzrlk/myth written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Tzrlk/myth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94f5a94fb6da9f9747a2ae91422db1e3d049a7d4ce4db8a4063996c9038e82d1
[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" "94f5a94fb6da9f9747a2ae91422db1e3d049a7d4ce4db8a4063996c9038e82d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94f5a94fb6da9f9747a2ae91422db1e3d049a7d4ce4db8a4063996c9038e82d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f5a94fb6da9f9747a2ae91422db1e3d049a7d4ce4db8a4063996c9038e82d1", kill_on_drop: false }`
[INFO] [stdout] 94f5a94fb6da9f9747a2ae91422db1e3d049a7d4ce4db8a4063996c9038e82d1
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe811dbbc22b7d4704050bc6d56f405fdf7125b75e9ff3bd585233501adac780
[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" "fe811dbbc22b7d4704050bc6d56f405fdf7125b75e9ff3bd585233501adac780", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking dtoa v0.3.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling myth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling stainless v0.1.12
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking phf_shared v0.7.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stainless-0.1.12/src/lib.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stdout]   |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stainless-0.1.12/src/lib.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | extern crate syntax;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stainless`.
[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" "fe811dbbc22b7d4704050bc6d56f405fdf7125b75e9ff3bd585233501adac780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe811dbbc22b7d4704050bc6d56f405fdf7125b75e9ff3bd585233501adac780", kill_on_drop: false }`
[INFO] [stdout] fe811dbbc22b7d4704050bc6d56f405fdf7125b75e9ff3bd585233501adac780