[INFO] cloning repository https://github.com/Reiuji-ch/retain-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Reiuji-ch/retain-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiuji-ch%2Fretain-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiuji-ch%2Fretain-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d94f31427a15a219e4da5bd2244fd7776b5e0e7c
[INFO] checking Reiuji-ch/retain-rs against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiuji-ch%2Fretain-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Reiuji-ch/retain-rs on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Reiuji-ch/retain-rs
[INFO] finished tweaking git repo https://github.com/Reiuji-ch/retain-rs
[INFO] tweaked toml for git repo https://github.com/Reiuji-ch/retain-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Reiuji-ch/retain-rs 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded universal-hash v0.5.1
[INFO] [stderr]   Downloaded aead v0.5.2
[INFO] [stderr]   Downloaded chacha20 v0.9.1
[INFO] [stderr]   Downloaded chacha20poly1305 v0.10.1
[INFO] [stderr]   Downloaded mio v0.8.7
[INFO] [stderr]   Downloaded poly1305 v0.8.0
[INFO] [stderr]   Downloaded fst v0.4.7
[INFO] [stderr]   Downloaded strmap v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7728e5543f7055275c1adb380342f3ad2813a26625b5998b324f3923d28d269d
[INFO] running `Command { std: "docker" "start" "-a" "7728e5543f7055275c1adb380342f3ad2813a26625b5998b324f3923d28d269d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7728e5543f7055275c1adb380342f3ad2813a26625b5998b324f3923d28d269d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7728e5543f7055275c1adb380342f3ad2813a26625b5998b324f3923d28d269d", kill_on_drop: false }`
[INFO] [stdout] 7728e5543f7055275c1adb380342f3ad2813a26625b5998b324f3923d28d269d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9690d1603efb542eddef0e25a9e1e18d5facadd55509e03c1df7c6f78a25c41
[INFO] running `Command { std: "docker" "start" "-a" "b9690d1603efb542eddef0e25a9e1e18d5facadd55509e03c1df7c6f78a25c41", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling openssl-sys v0.9.87
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking mio v0.8.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling openssl v0.10.52
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.59/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 chacha20 v0.9.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b9690d1603efb542eddef0e25a9e1e18d5facadd55509e03c1df7c6f78a25c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9690d1603efb542eddef0e25a9e1e18d5facadd55509e03c1df7c6f78a25c41", kill_on_drop: false }`
[INFO] [stdout] b9690d1603efb542eddef0e25a9e1e18d5facadd55509e03c1df7c6f78a25c41