[INFO] fetching crate mod-compatibility-checker 0.1.1...
[INFO] checking mod-compatibility-checker-0.1.1 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate mod-compatibility-checker 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate mod-compatibility-checker 0.1.1
[INFO] finished tweaking crates.io crate mod-compatibility-checker 0.1.1
[INFO] tweaked toml for crates.io crate mod-compatibility-checker 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mod-compatibility-checker 0.1.1 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mod-compatibility-checker 0.1.1 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b55d853cf26b529f9a45b7ba28693f2871d7027bc4e366b51a6cc77c2144eda4
[INFO] running `Command { std: "docker" "start" "-a" "b55d853cf26b529f9a45b7ba28693f2871d7027bc4e366b51a6cc77c2144eda4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b55d853cf26b529f9a45b7ba28693f2871d7027bc4e366b51a6cc77c2144eda4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55d853cf26b529f9a45b7ba28693f2871d7027bc4e366b51a6cc77c2144eda4", kill_on_drop: false }`
[INFO] [stdout] b55d853cf26b529f9a45b7ba28693f2871d7027bc4e366b51a6cc77c2144eda4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dad041fcd30ba0829b3fc390873578c9ac28cc65575a170e5c9f2aefce9287e3
[INFO] running `Command { std: "docker" "start" "-a" "dad041fcd30ba0829b3fc390873578c9ac28cc65575a170e5c9f2aefce9287e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling vc-ltl v5.0.5
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dad041fcd30ba0829b3fc390873578c9ac28cc65575a170e5c9f2aefce9287e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad041fcd30ba0829b3fc390873578c9ac28cc65575a170e5c9f2aefce9287e3", kill_on_drop: false }`
[INFO] [stdout] dad041fcd30ba0829b3fc390873578c9ac28cc65575a170e5c9f2aefce9287e3
