[INFO] fetching crate rstack-self 0.3.0...
[INFO] checking rstack-self-0.3.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate rstack-self 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rstack-self 0.3.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rstack-self 0.3.0
[INFO] finished tweaking crates.io crate rstack-self 0.3.0
[INFO] tweaked toml for crates.io crate rstack-self 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rstack-self 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58d7ebc26c26956dbabb3a332451135932264c5b843af7d51534ff6a48388c0a
[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" "58d7ebc26c26956dbabb3a332451135932264c5b843af7d51534ff6a48388c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d7ebc26c26956dbabb3a332451135932264c5b843af7d51534ff6a48388c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d7ebc26c26956dbabb3a332451135932264c5b843af7d51534ff6a48388c0a", kill_on_drop: false }`
[INFO] [stdout] 58d7ebc26c26956dbabb3a332451135932264c5b843af7d51534ff6a48388c0a
[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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] c4e46929b174349e4e72f952d6c20c6b3d9f5bcfb0866577ac53fb40481bdd1a
[INFO] running `Command { std: "docker" "start" "-a" "c4e46929b174349e4e72f952d6c20c6b3d9f5bcfb0866577ac53fb40481bdd1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling unwind v0.3.0
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling unwind-sys v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling foreign-types-macros v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking rstack v0.3.0
[INFO] [stderr]     Checking rstack-self v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.23s
[INFO] running `Command { std: "docker" "inspect" "c4e46929b174349e4e72f952d6c20c6b3d9f5bcfb0866577ac53fb40481bdd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e46929b174349e4e72f952d6c20c6b3d9f5bcfb0866577ac53fb40481bdd1a", kill_on_drop: false }`
[INFO] [stdout] c4e46929b174349e4e72f952d6c20c6b3d9f5bcfb0866577ac53fb40481bdd1a