[INFO] cloning repository https://github.com/aergonaut/railgun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aergonaut/railgun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Frailgun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Frailgun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 213c546da9b79786d38f18ee67bdd2ab73034232
[INFO] checking aergonaut/railgun against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Frailgun" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aergonaut/railgun on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aergonaut/railgun
[INFO] finished tweaking git repo https://github.com/aergonaut/railgun
[INFO] tweaked toml for git repo https://github.com/aergonaut/railgun written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/aergonaut/railgun already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c857ab35f42eb96cabd429162ffa7dfcb0780c78b55ed894c64f31967cfe09f2
[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" "c857ab35f42eb96cabd429162ffa7dfcb0780c78b55ed894c64f31967cfe09f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c857ab35f42eb96cabd429162ffa7dfcb0780c78b55ed894c64f31967cfe09f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c857ab35f42eb96cabd429162ffa7dfcb0780c78b55ed894c64f31967cfe09f2", kill_on_drop: false }`
[INFO] [stdout] c857ab35f42eb96cabd429162ffa7dfcb0780c78b55ed894c64f31967cfe09f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9848a940ff90cef1e56be8a2d72e02acd7ca5b3b1f553fab8a934dc78cb6368b
[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" "9848a940ff90cef1e56be8a2d72e02acd7ca5b3b1f553fab8a934dc78cb6368b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling pq-sys v0.4.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling pear_codegen v0.0.8
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking term v0.4.5
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.8/src/lib.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, rustc_private, quote)]
[INFO] [stdout]   |                                             ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.8/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rustc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: please recompile that crate using --crate-type lib
[INFO] [stdout]   = note: the following crate versions were found:
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pear_codegen`
[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" "9848a940ff90cef1e56be8a2d72e02acd7ca5b3b1f553fab8a934dc78cb6368b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9848a940ff90cef1e56be8a2d72e02acd7ca5b3b1f553fab8a934dc78cb6368b", kill_on_drop: false }`
[INFO] [stdout] 9848a940ff90cef1e56be8a2d72e02acd7ca5b3b1f553fab8a934dc78cb6368b