[INFO] cloning repository https://github.com/2lambda123/ObserverWard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2lambda123/ObserverWard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2lambda123%2FObserverWard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2lambda123%2FObserverWard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79763e6e51378de67bb3ac273adbbc96826af3d3
[INFO] checking 2lambda123/ObserverWard against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2lambda123%2FObserverWard" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2lambda123/ObserverWard on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/2lambda123/ObserverWard
[INFO] finished tweaking git repo https://github.com/2lambda123/ObserverWard
[INFO] tweaked toml for git repo https://github.com/2lambda123/ObserverWard written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/2lambda123/ObserverWard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/zip-rs/zip`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.2
[INFO] [stderr]   Downloaded argh_shared v0.1.10
[INFO] [stderr]   Downloaded local-channel v0.1.3
[INFO] [stderr]   Downloaded daemonize v0.5.0
[INFO] [stderr]   Downloaded local-waker v0.1.3
[INFO] [stderr]   Downloaded firestorm v0.5.1
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.0
[INFO] [stderr]   Downloaded async-rwlock v1.3.0
[INFO] [stderr]   Downloaded winres v0.1.12
[INFO] [stderr]   Downloaded cached_proc_macro v0.7.1
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.3
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
[INFO] [stderr]   Downloaded zstd-safe v6.0.3+zstd.1.5.2
[INFO] [stderr]   Downloaded semver v1.0.12
[INFO] [stderr]   Downloaded actix-router v0.5.0
[INFO] [stderr]   Downloaded serde_yaml v0.9.19
[INFO] [stderr]   Downloaded crossterm v0.26.1
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded actix-http v3.3.0
[INFO] [stderr]   Downloaded hyper v0.14.19
[INFO] [stderr]   Downloaded syn v2.0.12
[INFO] [stderr]   Downloaded actix-web v4.3.1
[INFO] [stderr]   Downloaded rustix v0.36.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.27
[INFO] [stderr]   Downloaded argh_derive v0.1.10
[INFO] [stderr]   Downloaded regex v1.6.0
[INFO] [stderr]   Downloaded gimli v0.28.0
[INFO] [stderr]   Downloaded object v0.32.1
[INFO] [stderr]   Downloaded async-compression v0.4.4
[INFO] [stderr]   Downloaded publicsuffix v2.1.1
[INFO] [stderr]   Downloaded time v0.3.11
[INFO] [stderr]   Downloaded tracing-core v0.1.28
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.10
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.5
[INFO] [stderr]   Downloaded libc v0.2.149
[INFO] [stderr]   Downloaded zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.3
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded signal-hook v0.3.14
[INFO] [stderr]   Downloaded schannel v0.1.20
[INFO] [stderr]   Downloaded security-framework v2.6.1
[INFO] [stderr]   Downloaded xml5ever v0.16.2
[INFO] [stderr]   Downloaded csv v1.3.0
[INFO] [stderr]   Downloaded select v0.5.0
[INFO] [stderr]   Downloaded ryu v1.0.10
[INFO] [stderr]   Downloaded serde_derive v1.0.164
[INFO] [stderr]   Downloaded serde v1.0.164
[INFO] [stderr]   Downloaded argh v0.1.10
[INFO] [stderr]   Downloaded csv-core v0.1.11
[INFO] [stderr]   Downloaded encode_unicode v1.0.0
[INFO] [stderr]   Downloaded prettytable-rs v0.10.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.10
[INFO] [stderr]   Downloaded ipnet v2.5.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded actix-tls v3.0.3
[INFO] [stderr]   Downloaded bytestring v1.1.0
[INFO] [stderr]   Downloaded actix-web-httpauth v0.8.1
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.3
[INFO] [stderr]   Downloaded unicode-width v0.1.11
[INFO] [stderr]   Downloaded fastrand v1.7.0
[INFO] [stderr]   Downloaded cached v0.26.2
[INFO] [stderr]   Downloaded generic-array v0.14.5
[INFO] [stderr]   Downloaded cookie v0.16.0
[INFO] [stderr]   Downloaded time-macros v0.2.4
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded actix-rt v2.7.0
[INFO] [stderr]   Downloaded tokio-openssl v0.6.3
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded cpufeatures v0.2.2
[INFO] [stderr]   Downloaded block-buffer v0.10.2
[INFO] [stderr]   Downloaded crypto-common v0.1.4
[INFO] [stderr]   Downloaded digest v0.10.3
[INFO] [stderr]   Downloaded sha1 v0.10.1
[INFO] [stderr]   Downloaded tokio-util v0.7.3
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded async-trait v0.1.56
[INFO] [stderr]   Downloaded typenum v1.15.0
[INFO] [stderr]   Downloaded psl-types v2.0.10
[INFO] [stderr]   Downloaded httparse v1.7.1
[INFO] [stderr]   Downloaded bitflags v2.4.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.31
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded security-framework-sys v2.6.1
[INFO] [stderr]   Downloaded tokio-socks v0.5.1
[INFO] [stderr]   Downloaded base64ct v1.0.1
[INFO] [stderr]   Downloaded event-listener v2.5.2
[INFO] [stderr]   Downloaded is-terminal v0.4.1
[INFO] [stderr]   Downloaded either v1.7.0
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.3
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded sha2 v0.10.2
[INFO] [stderr]   Downloaded openssl-src v300.2.1+3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 933136e9e37d802e01882076162002ea69c51dfdd582377ddbc8ab459cc14bb9
[INFO] running `Command { std: "docker" "start" "-a" "933136e9e37d802e01882076162002ea69c51dfdd582377ddbc8ab459cc14bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "933136e9e37d802e01882076162002ea69c51dfdd582377ddbc8ab459cc14bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933136e9e37d802e01882076162002ea69c51dfdd582377ddbc8ab459cc14bb9", kill_on_drop: false }`
[INFO] [stdout] 933136e9e37d802e01882076162002ea69c51dfdd582377ddbc8ab459cc14bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5068a6dcb04039bf2b5f9988277053e0306680e3cb815652f0703e97bc1f27bb
[INFO] running `Command { std: "docker" "start" "-a" "5068a6dcb04039bf2b5f9988277053e0306680e3cb815652f0703e97bc1f27bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5068a6dcb04039bf2b5f9988277053e0306680e3cb815652f0703e97bc1f27bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5068a6dcb04039bf2b5f9988277053e0306680e3cb815652f0703e97bc1f27bb", kill_on_drop: false }`
[INFO] [stdout] 5068a6dcb04039bf2b5f9988277053e0306680e3cb815652f0703e97bc1f27bb
