[INFO] updating cached repository https://github.com/alexcrichton/rustc-auto-publish
[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] [stderr] From https://github.com/alexcrichton/rustc-auto-publish
[INFO] [stderr]    9276e4d..77e4f86  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77e4f866da5b5ca2e550cc0990d92952f2394c21
[INFO] checking alexcrichton/rustc-auto-publish against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Frustc-auto-publish" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexcrichton/rustc-auto-publish 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/alexcrichton/rustc-auto-publish
[INFO] finished tweaking git repo https://github.com/alexcrichton/rustc-auto-publish
[INFO] tweaked toml for git repo https://github.com/alexcrichton/rustc-auto-publish written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/alexcrichton/rustc-auto-publish 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a8e56525f01e609b8a8d86ff1824cdf10abc84ee529ca22f3a1acf305fe7e0cf
[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" "a8e56525f01e609b8a8d86ff1824cdf10abc84ee529ca22f3a1acf305fe7e0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e56525f01e609b8a8d86ff1824cdf10abc84ee529ca22f3a1acf305fe7e0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e56525f01e609b8a8d86ff1824cdf10abc84ee529ca22f3a1acf305fe7e0cf", kill_on_drop: false }`
[INFO] [stdout] a8e56525f01e609b8a8d86ff1824cdf10abc84ee529ca22f3a1acf305fe7e0cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37b374c946cfe2b09b4700e021879751a83164fd3a09038ae8754df947d6a9ad
[INFO] running `Command { std: "docker" "start" "-a" "37b374c946cfe2b09b4700e021879751a83164fd3a09038ae8754df947d6a9ad", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling curl-sys v0.4.23
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking rustc-auto-publish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.37s
[INFO] running `Command { std: "docker" "inspect" "37b374c946cfe2b09b4700e021879751a83164fd3a09038ae8754df947d6a9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b374c946cfe2b09b4700e021879751a83164fd3a09038ae8754df947d6a9ad", kill_on_drop: false }`
[INFO] [stdout] 37b374c946cfe2b09b4700e021879751a83164fd3a09038ae8754df947d6a9ad