[INFO] cloning repository https://github.com/pramitgaha/Post-wall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pramitgaha/Post-wall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpramitgaha%2FPost-wall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpramitgaha%2FPost-wall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b0cd490c19e095dee88da0801afe7269aacb3f7
[INFO] checking pramitgaha/Post-wall/2b0cd490c19e095dee88da0801afe7269aacb3f7 against master#ab1d2444533d829e2d5cff6634cd3c70de6d7103 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpramitgaha%2FPost-wall" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pramitgaha/Post-wall
[INFO] finished tweaking git repo https://github.com/pramitgaha/Post-wall
[INFO] tweaked toml for git repo https://github.com/pramitgaha/Post-wall written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pramitgaha/Post-wall on toolchain ab1d2444533d829e2d5cff6634cd3c70de6d7103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pramitgaha/Post-wall 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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[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]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded ic-stable-memory-derive v0.4.2
[INFO] [stderr]   Downloaded serde_bytes v0.11.9
[INFO] [stderr]   Downloaded ic0 v0.18.9
[INFO] [stderr]   Downloaded is-terminal v0.4.7
[INFO] [stderr]   Downloaded ic-ledger-types v0.4.2
[INFO] [stderr]   Downloaded logos-derive v0.12.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded ic-cdk v0.6.10
[INFO] [stderr]   Downloaded paste v1.0.12
[INFO] [stderr]   Downloaded candid v0.8.4
[INFO] [stderr]   Downloaded toml_edit v0.19.8
[INFO] [stderr]   Downloaded ic-stable-memory v0.4.4
[INFO] [stderr]   Downloaded ic-cdk v0.7.4
[INFO] [stderr]   Downloaded toml_datetime v0.6.1
[INFO] [stderr]   Downloaded winnow v0.4.1
[INFO] [stderr]   Downloaded pretty v0.10.0
[INFO] [stderr]   Downloaded serde_tokenstream v0.1.7
[INFO] [stderr]   Downloaded lalrpop v0.19.9
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded ic-cdk-macros v0.6.10
[INFO] [stderr]   Downloaded candid_derive v0.5.0
[INFO] [stderr]   Downloaded data-encoding v2.3.3
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded lalrpop-util v0.19.9
[INFO] [stderr]   Downloaded beef v0.5.2
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded logos v0.12.1
[INFO] [stderr]   Downloaded typenum v1.16.0
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded zwohash v0.1.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f540ea995b71b392dc403bd24d3dfa6103f9e88c3b1df285652816608c05f282
[INFO] running `Command { std: "docker" "start" "-a" "f540ea995b71b392dc403bd24d3dfa6103f9e88c3b1df285652816608c05f282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f540ea995b71b392dc403bd24d3dfa6103f9e88c3b1df285652816608c05f282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f540ea995b71b392dc403bd24d3dfa6103f9e88c3b1df285652816608c05f282", kill_on_drop: false }`
[INFO] [stdout] f540ea995b71b392dc403bd24d3dfa6103f9e88c3b1df285652816608c05f282
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d93f64a0d006d0d88d28d98492fc9c859bac7ebc1f40b06d995604aaa077f4bd
[INFO] running `Command { std: "docker" "start" "-a" "d93f64a0d006d0d88d28d98492fc9c859bac7ebc1f40b06d995604aaa077f4bd", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[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]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 phf_shared v0.10.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling pico-args v0.4.2
[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" "d93f64a0d006d0d88d28d98492fc9c859bac7ebc1f40b06d995604aaa077f4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93f64a0d006d0d88d28d98492fc9c859bac7ebc1f40b06d995604aaa077f4bd", kill_on_drop: false }`
[INFO] [stdout] d93f64a0d006d0d88d28d98492fc9c859bac7ebc1f40b06d995604aaa077f4bd