[INFO] fetching crate microamp-tools 0.1.0-alpha.3...
[INFO] checking microamp-tools-0.1.0-alpha.3 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate microamp-tools 0.1.0-alpha.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate microamp-tools 0.1.0-alpha.3 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microamp-tools 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate microamp-tools 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate microamp-tools 0.1.0-alpha.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate microamp-tools 0.1.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-cfg v0.4.0
[INFO] [stderr]   Downloaded cargo-project v0.2.2
[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" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c7eae312145a017e8906902e02a71d3f9e613d511f28bb6fcfa25d4d262076c
[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" "7c7eae312145a017e8906902e02a71d3f9e613d511f28bb6fcfa25d4d262076c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7eae312145a017e8906902e02a71d3f9e613d511f28bb6fcfa25d4d262076c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7eae312145a017e8906902e02a71d3f9e613d511f28bb6fcfa25d4d262076c", kill_on_drop: false }`
[INFO] [stdout] 7c7eae312145a017e8906902e02a71d3f9e613d511f28bb6fcfa25d4d262076c
[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" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f85ee433efdb37ba48b20ab9c3ce3852f1c5bf359121940ee4f6741ad1dfa61
[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" "5f85ee433efdb37ba48b20ab9c3ce3852f1c5bf359121940ee4f6741ad1dfa61", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[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 cc v1.0.45
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking cargo-project v0.2.2
[INFO] [stderr]     Checking microamp-tools v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.57s
[INFO] running `Command { std: "docker" "inspect" "5f85ee433efdb37ba48b20ab9c3ce3852f1c5bf359121940ee4f6741ad1dfa61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f85ee433efdb37ba48b20ab9c3ce3852f1c5bf359121940ee4f6741ad1dfa61", kill_on_drop: false }`
[INFO] [stdout] 5f85ee433efdb37ba48b20ab9c3ce3852f1c5bf359121940ee4f6741ad1dfa61