[INFO] fetching crate shim 0.1.4...
[INFO] testing shim-0.1.4 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate shim 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate shim 0.1.4
[INFO] finished tweaking crates.io crate shim 0.1.4
[INFO] tweaked toml for crates.io crate shim 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shim 0.1.4 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shim 0.1.4 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64b10868b22cfd305112238da97b84ab8d013afff283c9d8657f4e3d67ee7e0b
[INFO] running `Command { std: "docker" "start" "-a" "64b10868b22cfd305112238da97b84ab8d013afff283c9d8657f4e3d67ee7e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b10868b22cfd305112238da97b84ab8d013afff283c9d8657f4e3d67ee7e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b10868b22cfd305112238da97b84ab8d013afff283c9d8657f4e3d67ee7e0b", kill_on_drop: false }`
[INFO] [stdout] 64b10868b22cfd305112238da97b84ab8d013afff283c9d8657f4e3d67ee7e0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 374883bd24219c523a0cfcdb1d19439d21fe8cc0b5f277fee83f5ff2b4344d64
[INFO] running `Command { std: "docker" "start" "-a" "374883bd24219c523a0cfcdb1d19439d21fe8cc0b5f277fee83f5ff2b4344d64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling async-trait v0.1.60
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[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 hashbrown v0.12.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling iana-time-zone v0.1.51
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[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" "374883bd24219c523a0cfcdb1d19439d21fe8cc0b5f277fee83f5ff2b4344d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374883bd24219c523a0cfcdb1d19439d21fe8cc0b5f277fee83f5ff2b4344d64", kill_on_drop: false }`
[INFO] [stdout] 374883bd24219c523a0cfcdb1d19439d21fe8cc0b5f277fee83f5ff2b4344d64
