[INFO] updating cached repository https://github.com/sybblow/rust-qqwry
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6c06beda6fb6bd6ed9fcb35b4a041d61f6dda66
[INFO] checking sybblow/rust-qqwry against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsybblow%2Frust-qqwry" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sybblow/rust-qqwry on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sybblow/rust-qqwry
[INFO] finished tweaking git repo https://github.com/sybblow/rust-qqwry
[INFO] tweaked toml for git repo https://github.com/sybblow/rust-qqwry written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sybblow/rust-qqwry already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8494c10b1ed71f25466035a20e1583f7a8e5fd4a02acb0eb4244c0c9347a7168
[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" "8494c10b1ed71f25466035a20e1583f7a8e5fd4a02acb0eb4244c0c9347a7168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8494c10b1ed71f25466035a20e1583f7a8e5fd4a02acb0eb4244c0c9347a7168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8494c10b1ed71f25466035a20e1583f7a8e5fd4a02acb0eb4244c0c9347a7168", kill_on_drop: false }`
[INFO] [stdout] 8494c10b1ed71f25466035a20e1583f7a8e5fd4a02acb0eb4244c0c9347a7168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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] 783e5e46bc970417149929b5429129b1dcd8c70d4a6f54c42f457d7dc5182483
[INFO] running `Command { std: "docker" "start" "-a" "783e5e46bc970417149929b5429129b1dcd8c70d4a6f54c42f457d7dc5182483", kill_on_drop: false }`
[INFO] [stderr]     Checking winapi v0.2.4
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]     Checking encoding v0.2.32
[INFO] [stderr]     Checking rand v0.3.11
[INFO] [stderr]     Checking qqwry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(try!(File::open(path)).read_to_end(&mut cache));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(try!(File::open(path)).read_to_end(&mut cache));
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(try!(File::open(path)).read_to_end(&mut cache));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(try!(File::open(path)).read_to_end(&mut cache));
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "783e5e46bc970417149929b5429129b1dcd8c70d4a6f54c42f457d7dc5182483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783e5e46bc970417149929b5429129b1dcd8c70d4a6f54c42f457d7dc5182483", kill_on_drop: false }`
[INFO] [stdout] 783e5e46bc970417149929b5429129b1dcd8c70d4a6f54c42f457d7dc5182483