[INFO] cloning repository https://github.com/DSpeckhals/receptus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DSpeckhals/receptus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDSpeckhals%2Freceptus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDSpeckhals%2Freceptus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21491f833ad3070b36e4f6a513c44afda16a95a0
[INFO] checking DSpeckhals/receptus against try#45b14c26f76a39a9945ef8518d3276f1bc880008 for pr-113242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDSpeckhals%2Freceptus" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DSpeckhals/receptus on toolchain 45b14c26f76a39a9945ef8518d3276f1bc880008
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DSpeckhals/receptus
[INFO] finished tweaking git repo https://github.com/DSpeckhals/receptus
[INFO] tweaked toml for git repo https://github.com/DSpeckhals/receptus written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DSpeckhals/receptus 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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 268a48d44ff248488b4d33b5fb7d37f0fd3f7e7fbe19e54a300e32d80869b3a8
[INFO] running `Command { std: "docker" "start" "-a" "268a48d44ff248488b4d33b5fb7d37f0fd3f7e7fbe19e54a300e32d80869b3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268a48d44ff248488b4d33b5fb7d37f0fd3f7e7fbe19e54a300e32d80869b3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268a48d44ff248488b4d33b5fb7d37f0fd3f7e7fbe19e54a300e32d80869b3a8", kill_on_drop: false }`
[INFO] [stdout] 268a48d44ff248488b4d33b5fb7d37f0fd3f7e7fbe19e54a300e32d80869b3a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1ef41a35959a4833f25cc8d2909103e3ba2304c33d85c49262298c06cd20a2d
[INFO] running `Command { std: "docker" "start" "-a" "f1ef41a35959a4833f25cc8d2909103e3ba2304c33d85c49262298c06cd20a2d", 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]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.6
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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]    Compiling bytes v1.1.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking r2d2 v0.8.10
[INFO] [stderr]    Compiling ahash v0.7.6
[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" "f1ef41a35959a4833f25cc8d2909103e3ba2304c33d85c49262298c06cd20a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ef41a35959a4833f25cc8d2909103e3ba2304c33d85c49262298c06cd20a2d", kill_on_drop: false }`
[INFO] [stdout] f1ef41a35959a4833f25cc8d2909103e3ba2304c33d85c49262298c06cd20a2d