[INFO] fetching crate slog_mongodb 1.0.0...
[INFO] testing slog_mongodb-1.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate slog_mongodb 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate slog_mongodb 1.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog_mongodb 1.0.0
[INFO] finished tweaking crates.io crate slog_mongodb 1.0.0
[INFO] tweaked toml for crates.io crate slog_mongodb 1.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mongodb v0.9.2
[INFO] [stderr]   Downloaded os_info v1.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 948497555b14a8cc60830ee8bdfd6bdf1954f11389b2418bb2890d67d7770972
[INFO] running `Command { std: "docker" "start" "-a" "948497555b14a8cc60830ee8bdfd6bdf1954f11389b2418bb2890d67d7770972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "948497555b14a8cc60830ee8bdfd6bdf1954f11389b2418bb2890d67d7770972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948497555b14a8cc60830ee8bdfd6bdf1954f11389b2418bb2890d67d7770972", kill_on_drop: false }`
[INFO] [stdout] 948497555b14a8cc60830ee8bdfd6bdf1954f11389b2418bb2890d67d7770972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e29859166c64ebd23294cee0c9282b67b9ba345ef08da65c9f9b848887b537f
[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" "3e29859166c64ebd23294cee0c9282b67b9ba345ef08da65c9f9b848887b537f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stdout] error[E0597]: `version_regex` does not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/os_info-1.3.3/src/linux/file_release.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 | /             version_regex
[INFO] [stdout] 37 | |                 .captures_iter(&file_content)
[INFO] [stdout]    | |                                             ^
[INFO] [stdout]    | |                                             |
[INFO] [stdout]    | |_____________________________________________borrowed value does not live long enough
[INFO] [stdout]    |                                               a temporary with access to the borrow is created here ...
[INFO] [stdout] ...
[INFO] [stdout] 41 |           } else {
[INFO] [stdout]    |           -
[INFO] [stdout]    |           |
[INFO] [stdout]    |           `version_regex` dropped here while still borrowed
[INFO] [stdout]    |           ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `regex::CaptureMatches<'_, '_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the temporary is part of an expression at the end of a block;
[INFO] [stdout]            consider forcing this temporary to be dropped sooner, before the block's local variables are dropped
[INFO] [stdout] help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block
[INFO] [stdout]    |
[INFO] [stdout] 36 ~             let x = version_regex
[INFO] [stdout] 37 |                 .captures_iter(&file_content)
[INFO] [stdout] 38 |                 .next()
[INFO] [stdout] 39 |                 .and_then(|c| c.get(1))
[INFO] [stdout] 40 ~                 .map(|v| v.as_str().trim_end().to_owned()); x
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os_info` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3e29859166c64ebd23294cee0c9282b67b9ba345ef08da65c9f9b848887b537f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e29859166c64ebd23294cee0c9282b67b9ba345ef08da65c9f9b848887b537f", kill_on_drop: false }`
[INFO] [stdout] 3e29859166c64ebd23294cee0c9282b67b9ba345ef08da65c9f9b848887b537f