[INFO] fetching crate mvola 0.1.3...
[INFO] checking mvola-0.1.3 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate mvola 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mvola 0.1.3 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mvola 0.1.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mvola 0.1.3
[INFO] tweaked toml for crates.io crate mvola 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate mvola 0.1.3 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c10a5d6faac7329b0b026e8ea576a205e8e9988cda1785ba69fc14f25a3f8c0
[INFO] running `Command { std: "docker" "start" "-a" "8c10a5d6faac7329b0b026e8ea576a205e8e9988cda1785ba69fc14f25a3f8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c10a5d6faac7329b0b026e8ea576a205e8e9988cda1785ba69fc14f25a3f8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c10a5d6faac7329b0b026e8ea576a205e8e9988cda1785ba69fc14f25a3f8c0", kill_on_drop: false }`
[INFO] [stdout] 8c10a5d6faac7329b0b026e8ea576a205e8e9988cda1785ba69fc14f25a3f8c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b482a97832789338780d56d48612c6f832596e43e6bce92af4336e51fbc94f7c
[INFO] running `Command { std: "docker" "start" "-a" "b482a97832789338780d56d48612c6f832596e43e6bce92af4336e51fbc94f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.80
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling unicase v2.6.0
[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-macro2-1.0.37/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 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] 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-macro2-1.0.37/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 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] 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 async-task v4.2.0
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling curl v0.4.43
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[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" "b482a97832789338780d56d48612c6f832596e43e6bce92af4336e51fbc94f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b482a97832789338780d56d48612c6f832596e43e6bce92af4336e51fbc94f7c", kill_on_drop: false }`
[INFO] [stdout] b482a97832789338780d56d48612c6f832596e43e6bce92af4336e51fbc94f7c
