[INFO] cloning 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" "clone" "--bare" "https://github.com/alexcrichton/rustc-auto-publish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Frustc-auto-publish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Frustc-auto-publish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d0fd7b4be1c05efb608e028cbd1fdcdc0d98198
[INFO] checking alexcrichton/rustc-auto-publish against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Frustc-auto-publish" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexcrichton/rustc-auto-publish on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.50
[INFO] [stderr]   Downloaded curl-sys v0.4.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a8f5a9299294c4b92eb7dbf8738bd9c297596d2c5b81155c4acb9c498939bc8
[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" "2a8f5a9299294c4b92eb7dbf8738bd9c297596d2c5b81155c4acb9c498939bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a8f5a9299294c4b92eb7dbf8738bd9c297596d2c5b81155c4acb9c498939bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8f5a9299294c4b92eb7dbf8738bd9c297596d2c5b81155c4acb9c498939bc8", kill_on_drop: false }`
[INFO] [stdout] 2a8f5a9299294c4b92eb7dbf8738bd9c297596d2c5b81155c4acb9c498939bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82cd56aa77340f95d485629cdc2558ac4e31a9f225b71c98853ec7ca4e40fc7f
[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" "82cd56aa77340f95d485629cdc2558ac4e31a9f225b71c98853ec7ca4e40fc7f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.23
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking miniz_oxide v0.3.3
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[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 38.88s
[INFO] running `Command { std: "docker" "inspect" "82cd56aa77340f95d485629cdc2558ac4e31a9f225b71c98853ec7ca4e40fc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82cd56aa77340f95d485629cdc2558ac4e31a9f225b71c98853ec7ca4e40fc7f", kill_on_drop: false }`
[INFO] [stdout] 82cd56aa77340f95d485629cdc2558ac4e31a9f225b71c98853ec7ca4e40fc7f