[INFO] fetching crate humpty_dumpty 0.0.1...
[INFO] checking humpty_dumpty-0.0.1 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate humpty_dumpty 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate humpty_dumpty 0.0.1 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate humpty_dumpty 0.0.1
[INFO] finished tweaking crates.io crate humpty_dumpty 0.0.1
[INFO] tweaked toml for crates.io crate humpty_dumpty 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tester v0.7.0
[INFO] [stderr]   Downloaded compiletest_rs v0.5.0
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96ae0ade891f869fa1e30a178977785660f59e8eaf0a8585b41a379a758b27dd
[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" "96ae0ade891f869fa1e30a178977785660f59e8eaf0a8585b41a379a758b27dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ae0ade891f869fa1e30a178977785660f59e8eaf0a8585b41a379a758b27dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ae0ade891f869fa1e30a178977785660f59e8eaf0a8585b41a379a758b27dd", kill_on_drop: false }`
[INFO] [stdout] 96ae0ade891f869fa1e30a178977785660f59e8eaf0a8585b41a379a758b27dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ec261dcdfbdb34f30b3c56640cddb3b8b5a9cdf5eacedbcc07f3ceb900bc73b
[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" "7ec261dcdfbdb34f30b3c56640cddb3b8b5a9cdf5eacedbcc07f3ceb900bc73b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling compiletest_rs v0.5.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling humpty_dumpty v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, quote, plugin, box_syntax, rustc_private,
[INFO] [stdout]   |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, quote, plugin, box_syntax, rustc_private,
[INFO] [stdout]   |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![plugin(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] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![plugin(syntax)]
[INFO] [stdout]   |           ^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `humpty_dumpty`
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7ec261dcdfbdb34f30b3c56640cddb3b8b5a9cdf5eacedbcc07f3ceb900bc73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec261dcdfbdb34f30b3c56640cddb3b8b5a9cdf5eacedbcc07f3ceb900bc73b", kill_on_drop: false }`
[INFO] [stdout] 7ec261dcdfbdb34f30b3c56640cddb3b8b5a9cdf5eacedbcc07f3ceb900bc73b