[INFO] cloning repository https://github.com/daogangtang/subforum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daogangtang/subforum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fsubforum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fsubforum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fa941470d70c03169cedb08213fca6247c141f9
[INFO] checking daogangtang/subforum against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fsubforum" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daogangtang/subforum on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daogangtang/subforum
[INFO] finished tweaking git repo https://github.com/daogangtang/subforum
[INFO] tweaked toml for git repo https://github.com/daogangtang/subforum written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/daogangtang/subforum 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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 git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-core v0.30.0
[INFO] [stderr]   Downloaded parity-db v0.3.5
[INFO] [stderr]   Downloaded retain_mut v0.1.5
[INFO] [stderr]   Downloaded gloo-timers v0.2.2
[INFO] [stderr]   Downloaded cargo_metadata v0.14.1
[INFO] [stderr]   Downloaded ss58-registry v1.12.0
[INFO] [stderr]   Downloaded handlebars v4.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a66c8980edebc4359ccc088d0106433ed52dc7cab09d2cf63ce521830135f42
[INFO] running `Command { std: "docker" "start" "-a" "7a66c8980edebc4359ccc088d0106433ed52dc7cab09d2cf63ce521830135f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a66c8980edebc4359ccc088d0106433ed52dc7cab09d2cf63ce521830135f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a66c8980edebc4359ccc088d0106433ed52dc7cab09d2cf63ce521830135f42", kill_on_drop: false }`
[INFO] [stdout] 7a66c8980edebc4359ccc088d0106433ed52dc7cab09d2cf63ce521830135f42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e6c5a44a24a45b05fc0036b2a095ada6ea4e2aecc3ed6fb9aa409a003a8dced
[INFO] running `Command { std: "docker" "start" "-a" "4e6c5a44a24a45b05fc0036b2a095ada6ea4e2aecc3ed6fb9aa409a003a8dced", 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 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.75
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking ed25519 v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.36/src/wrapper.rs:485:33
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 485 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 485 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.36/src/wrapper.rs:502:33
[INFO] [stdout]     |
[INFO] [stdout] 502 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 502 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 502 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking byte-slice-cast v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4e6c5a44a24a45b05fc0036b2a095ada6ea4e2aecc3ed6fb9aa409a003a8dced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6c5a44a24a45b05fc0036b2a095ada6ea4e2aecc3ed6fb9aa409a003a8dced", kill_on_drop: false }`
[INFO] [stdout] 4e6c5a44a24a45b05fc0036b2a095ada6ea4e2aecc3ed6fb9aa409a003a8dced