[INFO] cloning repository https://github.com/KevynTang/fyp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KevynTang/fyp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevynTang%2Ffyp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevynTang%2Ffyp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70f13cfe57b3fbf4dc4bee080f95589e527b23c0
[INFO] checking KevynTang/fyp/70f13cfe57b3fbf4dc4bee080f95589e527b23c0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevynTang%2Ffyp" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KevynTang/fyp on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KevynTang/fyp
[INFO] finished tweaking git repo https://github.com/KevynTang/fyp
[INFO] tweaked toml for git repo https://github.com/KevynTang/fyp written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KevynTang/fyp 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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] 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 proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded pretty v0.10.0
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[INFO] [stderr]   Downloaded num_enum v0.5.7
[INFO] [stderr]   Downloaded candid v0.8.4
[INFO] [stderr]   Downloaded serde_bytes v0.11.8
[INFO] [stderr]   Downloaded serde_tokenstream v0.1.6
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded proc-macro-crate v1.2.1
[INFO] [stderr]   Downloaded lalrpop-util v0.19.8
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded lalrpop v0.19.8
[INFO] [stderr]   Downloaded string_cache v0.8.4
[INFO] [stderr]   Downloaded phf_shared v0.10.0
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded ascii-canvas v3.0.0
[INFO] [stderr]   Downloaded term v0.7.0
[INFO] [stderr]   Downloaded tiny-keccak v2.0.2
[INFO] [stderr]   Downloaded logos-derive v0.12.1
[INFO] [stderr]   Downloaded num_enum_derive v0.5.7
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded binread_derive v2.1.0
[INFO] [stderr]   Downloaded binread v2.2.0
[INFO] [stderr]   Downloaded candid_derive v0.5.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.0
[INFO] [stderr]   Downloaded ic-cdk-macros v0.6.8
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded ic0 v0.18.7
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.0
[INFO] [stderr]   Downloaded data-encoding v2.3.3
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded petgraph v0.6.2
[INFO] [stderr]   Downloaded pico-args v0.4.2
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded rustversion v1.0.11
[INFO] [stderr]   Downloaded leb128 v0.2.5
[INFO] [stderr]   Downloaded beef v0.5.2
[INFO] [stderr]   Downloaded logos v0.12.1
[INFO] [stderr]   Downloaded ic-cdk v0.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1bb167ad56dee0e8e6d67c3b6731b03b60e7678998f2bef834ef6d58bd12fac
[INFO] running `Command { std: "docker" "start" "-a" "e1bb167ad56dee0e8e6d67c3b6731b03b60e7678998f2bef834ef6d58bd12fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1bb167ad56dee0e8e6d67c3b6731b03b60e7678998f2bef834ef6d58bd12fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1bb167ad56dee0e8e6d67c3b6731b03b60e7678998f2bef834ef6d58bd12fac", kill_on_drop: false }`
[INFO] [stdout] e1bb167ad56dee0e8e6d67c3b6731b03b60e7678998f2bef834ef6d58bd12fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96e582cac93aead795826d47af9e541ff30cc176788a360b8f7fc178654b1271
[INFO] running `Command { std: "docker" "start" "-a" "96e582cac93aead795826d47af9e541ff30cc176788a360b8f7fc178654b1271", 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] 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 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling pico-args v0.4.2
[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 bit-set v0.5.3
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stdout] error: aborting due to 1 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" "96e582cac93aead795826d47af9e541ff30cc176788a360b8f7fc178654b1271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e582cac93aead795826d47af9e541ff30cc176788a360b8f7fc178654b1271", kill_on_drop: false }`
[INFO] [stdout] 96e582cac93aead795826d47af9e541ff30cc176788a360b8f7fc178654b1271