[INFO] fetching crate mun_target 0.2.0...
[INFO] checking mun_target-0.2.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate mun_target 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mun_target 0.2.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mun_target 0.2.0
[INFO] finished tweaking crates.io crate mun_target 0.2.0
[INFO] tweaked toml for crates.io crate mun_target 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eaeb23444246fa7308f4da287a786ef200dcdc08c40a436b7e16bd61471bc4d
[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" "3eaeb23444246fa7308f4da287a786ef200dcdc08c40a436b7e16bd61471bc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eaeb23444246fa7308f4da287a786ef200dcdc08c40a436b7e16bd61471bc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eaeb23444246fa7308f4da287a786ef200dcdc08c40a436b7e16bd61471bc4d", kill_on_drop: false }`
[INFO] [stdout] 3eaeb23444246fa7308f4da287a786ef200dcdc08c40a436b7e16bd61471bc4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c634bdd725207f692b88b71ddaaa9b311d6225a0b1776b67297da8200f30ee5
[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" "3c634bdd725207f692b88b71ddaaa9b311d6225a0b1776b67297da8200f30ee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling mun_target v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking insta v0.16.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.04s
[INFO] running `Command { std: "docker" "inspect" "3c634bdd725207f692b88b71ddaaa9b311d6225a0b1776b67297da8200f30ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c634bdd725207f692b88b71ddaaa9b311d6225a0b1776b67297da8200f30ee5", kill_on_drop: false }`
[INFO] [stdout] 3c634bdd725207f692b88b71ddaaa9b311d6225a0b1776b67297da8200f30ee5