[INFO] cloning repository https://github.com/ronniesong0809/rust-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ronniesong0809/rust-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fronniesong0809%2Frust-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fronniesong0809%2Frust-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ee31c87b2c8713247bd7ef43174095cf9bc1ad3
[INFO] checking ronniesong0809/rust-project against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fronniesong0809%2Frust-project" "/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/ronniesong0809/rust-project on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ronniesong0809/rust-project
[INFO] finished tweaking git repo https://github.com/ronniesong0809/rust-project
[INFO] tweaked toml for git repo https://github.com/ronniesong0809/rust-project written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-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" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 1e6ec6d80551b9b7f4aea846ae0a77e64bda4e5a4ace59a3f7eb5df49be44617
[INFO] running `Command { std: "docker" "start" "-a" "1e6ec6d80551b9b7f4aea846ae0a77e64bda4e5a4ace59a3f7eb5df49be44617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e6ec6d80551b9b7f4aea846ae0a77e64bda4e5a4ace59a3f7eb5df49be44617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6ec6d80551b9b7f4aea846ae0a77e64bda4e5a4ace59a3f7eb5df49be44617", kill_on_drop: false }`
[INFO] [stdout] 1e6ec6d80551b9b7f4aea846ae0a77e64bda4e5a4ace59a3f7eb5df49be44617
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9bd8313b4f337302963e40de01e3f7ada9d4c2f347afccbd8904d03b2fd9a3c
[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" "c9bd8313b4f337302963e40de01e3f7ada9d4c2f347afccbd8904d03b2fd9a3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking version_check v0.9.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.7
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking 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` 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" "c9bd8313b4f337302963e40de01e3f7ada9d4c2f347afccbd8904d03b2fd9a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9bd8313b4f337302963e40de01e3f7ada9d4c2f347afccbd8904d03b2fd9a3c", kill_on_drop: false }`
[INFO] [stdout] c9bd8313b4f337302963e40de01e3f7ada9d4c2f347afccbd8904d03b2fd9a3c