[INFO] fetching crate net-serial-console 0.3.7...
[INFO] checking net-serial-console-0.3.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate net-serial-console 0.3.7 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate net-serial-console 0.3.7
[INFO] finished tweaking crates.io crate net-serial-console 0.3.7
[INFO] tweaked toml for crates.io crate net-serial-console 0.3.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate net-serial-console 0.3.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate net-serial-console 0.3.7 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.0.1
[INFO] [stderr]   Downloaded safe-lock v0.1.3
[INFO] [stderr]   Downloaded sailfish v0.4.0
[INFO] [stderr]   Downloaded safe-proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded tracing-core v0.1.23
[INFO] [stderr]   Downloaded sailfish-compiler v0.4.0
[INFO] [stderr]   Downloaded tokio-util v0.7.0
[INFO] [stderr]   Downloaded safe-quote v1.0.15
[INFO] [stderr]   Downloaded tracing v0.1.32
[INFO] [stderr]   Downloaded itoap v1.0.1
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded h2 v0.3.12
[INFO] [stderr]   Downloaded tokio-serial v5.4.2
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded mio-serial v5.0.2
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded safe-regex-compiler v0.2.5
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] [stderr]   Downloaded build-data v0.1.3
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded safe-regex-macro v0.2.5
[INFO] [stderr]   Downloaded safe-regex v0.2.5
[INFO] [stderr]   Downloaded sailfish-macros v0.4.0
[INFO] [stderr]   Downloaded mach v0.2.3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a8e06e575137044413aa7d5e04cdecf02c93a7585bfd47dacbf767b64c8e886
[INFO] running `Command { std: "docker" "start" "-a" "0a8e06e575137044413aa7d5e04cdecf02c93a7585bfd47dacbf767b64c8e886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a8e06e575137044413aa7d5e04cdecf02c93a7585bfd47dacbf767b64c8e886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8e06e575137044413aa7d5e04cdecf02c93a7585bfd47dacbf767b64c8e886", kill_on_drop: false }`
[INFO] [stdout] 0a8e06e575137044413aa7d5e04cdecf02c93a7585bfd47dacbf767b64c8e886
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 746dfa515bae8e6bac0348b904d48bee8e10103050d550f6cc25de55e1b217ff
[INFO] running `Command { std: "docker" "start" "-a" "746dfa515bae8e6bac0348b904d48bee8e10103050d550f6cc25de55e1b217ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.36
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling sailfish-compiler v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking fnv v1.0.7
[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-macro2-1.0.36/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 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] [stderr]     Checking tracing-core v0.1.23
[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-macro2-1.0.36/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 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]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling safe-lock v0.1.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling sailfish v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling safe-quote v1.0.15
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[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" "746dfa515bae8e6bac0348b904d48bee8e10103050d550f6cc25de55e1b217ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746dfa515bae8e6bac0348b904d48bee8e10103050d550f6cc25de55e1b217ff", kill_on_drop: false }`
[INFO] [stdout] 746dfa515bae8e6bac0348b904d48bee8e10103050d550f6cc25de55e1b217ff