[INFO] fetching crate sim2h_server 0.0.52-alpha2...
[INFO] testing sim2h_server-0.0.52-alpha2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate sim2h_server 0.0.52-alpha2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sim2h_server 0.0.52-alpha2
[INFO] finished tweaking crates.io crate sim2h_server 0.0.52-alpha2
[INFO] tweaked toml for crates.io crate sim2h_server 0.0.52-alpha2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sim2h_server 0.0.52-alpha2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sim2h_server 0.0.52-alpha2 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4aaf5afdddaab96a38c636bdf14f694ec95a1bdd17ed0997dc49c40d8eac63d
[INFO] running `Command { std: "docker" "start" "-a" "a4aaf5afdddaab96a38c636bdf14f694ec95a1bdd17ed0997dc49c40d8eac63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4aaf5afdddaab96a38c636bdf14f694ec95a1bdd17ed0997dc49c40d8eac63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4aaf5afdddaab96a38c636bdf14f694ec95a1bdd17ed0997dc49c40d8eac63d", kill_on_drop: false }`
[INFO] [stdout] a4aaf5afdddaab96a38c636bdf14f694ec95a1bdd17ed0997dc49c40d8eac63d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6a86902de46f81de8668676d9f1304db071897a41bc0a069ad24a718ef6eb93
[INFO] running `Command { std: "docker" "start" "-a" "f6a86902de46f81de8668676d9f1304db071897a41bc0a069ad24a718ef6eb93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[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-1949cf8c6b5b557f/proc-macro2-1.0.24/src/wrapper.rs:463:33
[INFO] [stdout]     |
[INFO] [stdout] 463 |                 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 structs
[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] 463 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 463 +                 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-1949cf8c6b5b557f/proc-macro2-1.0.24/src/wrapper.rs:480:33
[INFO] [stdout]     |
[INFO] [stdout] 480 |                 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 structs
[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] 480 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 480 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[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" "f6a86902de46f81de8668676d9f1304db071897a41bc0a069ad24a718ef6eb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a86902de46f81de8668676d9f1304db071897a41bc0a069ad24a718ef6eb93", kill_on_drop: false }`
[INFO] [stdout] f6a86902de46f81de8668676d9f1304db071897a41bc0a069ad24a718ef6eb93