[INFO] fetching crate network_peers_discovery 0.0.2...
[INFO] testing network_peers_discovery-0.0.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate network_peers_discovery 0.0.2 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate network_peers_discovery 0.0.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate network_peers_discovery 0.0.2
[INFO] finished tweaking crates.io crate network_peers_discovery 0.0.2
[INFO] tweaked toml for crates.io crate network_peers_discovery 0.0.2 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7077c5d18e47324321efc5ea5a21d03794fabac81806e9665d715313dbe93323
[INFO] running `Command { std: "docker" "start" "-a" "7077c5d18e47324321efc5ea5a21d03794fabac81806e9665d715313dbe93323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7077c5d18e47324321efc5ea5a21d03794fabac81806e9665d715313dbe93323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7077c5d18e47324321efc5ea5a21d03794fabac81806e9665d715313dbe93323", kill_on_drop: false }`
[INFO] [stdout] 7077c5d18e47324321efc5ea5a21d03794fabac81806e9665d715313dbe93323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 104917e9ff38533a50329170c1df4421b0c7594f2809163e881e8231b46c80a8
[INFO] running `Command { std: "docker" "start" "-a" "104917e9ff38533a50329170c1df4421b0c7594f2809163e881e8231b46c80a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[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 traitobject v0.1.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling semver v0.5.1
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling ra_common v0.0.2
[INFO] [stderr]    Compiling trust-dns-proto v0.19.7
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.7
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_with v1.9.4
[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]    |               -^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |  _____________borrowed value does not live long enough
[INFO] [stdout]    | |
[INFO] [stdout] 37 | |                 .captures_iter(&file_content)
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "104917e9ff38533a50329170c1df4421b0c7594f2809163e881e8231b46c80a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104917e9ff38533a50329170c1df4421b0c7594f2809163e881e8231b46c80a8", kill_on_drop: false }`
[INFO] [stdout] 104917e9ff38533a50329170c1df4421b0c7594f2809163e881e8231b46c80a8
