[INFO] fetching crate envopt 0.0.0...
[INFO] checking envopt-0.0.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate envopt 0.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate envopt 0.0.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate envopt 0.0.0
[INFO] finished tweaking crates.io crate envopt 0.0.0
[INFO] tweaked toml for crates.io crate envopt 0.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate envopt 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded envopt-derive v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84041820ecf63238edae0117e63eb18d2ffcc57e890841759aa1657d1597b1b2
[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" "84041820ecf63238edae0117e63eb18d2ffcc57e890841759aa1657d1597b1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84041820ecf63238edae0117e63eb18d2ffcc57e890841759aa1657d1597b1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84041820ecf63238edae0117e63eb18d2ffcc57e890841759aa1657d1597b1b2", kill_on_drop: false }`
[INFO] [stdout] 84041820ecf63238edae0117e63eb18d2ffcc57e890841759aa1657d1597b1b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] a964d6457a96e8e096cb94423887a772e657f343e9ea473ac1912e95e90f6066
[INFO] running `Command { std: "docker" "start" "-a" "a964d6457a96e8e096cb94423887a772e657f343e9ea473ac1912e95e90f6066", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling envopt-derive v0.0.0
[INFO] [stderr]     Checking envopt v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/envopt-derive-0.0.0/src/lib.rs:132] get_attr("name".into(), variant) = Some(
[INFO] [stderr]     "FOO",
[INFO] [stderr] )
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/envopt-derive-0.0.0/src/lib.rs:136] get_attr("default".into(), variant) = None
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/envopt-derive-0.0.0/src/lib.rs:132] get_attr("name".into(), variant) = Some(
[INFO] [stderr]     "BAR",
[INFO] [stderr] )
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/envopt-derive-0.0.0/src/lib.rs:136] get_attr("default".into(), variant) = Some(
[INFO] [stderr]     "default-bar",
[INFO] [stderr] )
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.64s
[INFO] running `Command { std: "docker" "inspect" "a964d6457a96e8e096cb94423887a772e657f343e9ea473ac1912e95e90f6066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a964d6457a96e8e096cb94423887a772e657f343e9ea473ac1912e95e90f6066", kill_on_drop: false }`
[INFO] [stdout] a964d6457a96e8e096cb94423887a772e657f343e9ea473ac1912e95e90f6066