[INFO] fetching crate serve-cli 1.0.4...
[INFO] testing serve-cli-1.0.4 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate serve-cli 1.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate serve-cli 1.0.4
[INFO] finished tweaking crates.io crate serve-cli 1.0.4
[INFO] tweaked toml for crates.io crate serve-cli 1.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serve-cli 1.0.4 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serve-cli 1.0.4 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded devise_codegen v0.2.1
[INFO] [stderr]   Downloaded devise v0.2.1
[INFO] [stderr]   Downloaded local_ipaddress v0.1.3
[INFO] [stderr]   Downloaded pear_codegen v0.1.5
[INFO] [stderr]   Downloaded devise_core v0.2.1
[INFO] [stderr]   Downloaded build_html v2.3.0
[INFO] [stderr]   Downloaded pear v0.1.5
[INFO] [stderr]   Downloaded buf_redux v0.8.4
[INFO] [stderr]   Downloaded rocket_http v0.4.11
[INFO] [stderr]   Downloaded doe v0.1.39
[INFO] [stderr]   Downloaded warp v0.3.3
[INFO] [stderr]   Downloaded rocket v0.4.11
[INFO] [stderr]   Downloaded rocket_codegen v0.4.11
[INFO] [stderr]   Downloaded rocket_contrib v0.4.11
[INFO] [stderr]   Downloaded uuid v1.3.3
[INFO] [stderr]   Downloaded twoway v0.1.8
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded cookie v0.11.5
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0065cfc9f040e2801760b286039781a7a148eb57714c126cfcbeb242a2f441dc
[INFO] running `Command { std: "docker" "start" "-a" "0065cfc9f040e2801760b286039781a7a148eb57714c126cfcbeb242a2f441dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0065cfc9f040e2801760b286039781a7a148eb57714c126cfcbeb242a2f441dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0065cfc9f040e2801760b286039781a7a148eb57714c126cfcbeb242a2f441dc", kill_on_drop: false }`
[INFO] [stdout] 0065cfc9f040e2801760b286039781a7a148eb57714c126cfcbeb242a2f441dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3737fba9a76216c0b8dc0673dd5cd40f7f6fe279ce1bdb7b0b4c4d6064ccc5a
[INFO] running `Command { std: "docker" "start" "-a" "b3737fba9a76216c0b8dc0673dd5cd40f7f6fe279ce1bdb7b0b4c4d6064ccc5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling quote v0.6.13
[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" "b3737fba9a76216c0b8dc0673dd5cd40f7f6fe279ce1bdb7b0b4c4d6064ccc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3737fba9a76216c0b8dc0673dd5cd40f7f6fe279ce1bdb7b0b4c4d6064ccc5a", kill_on_drop: false }`
[INFO] [stdout] b3737fba9a76216c0b8dc0673dd5cd40f7f6fe279ce1bdb7b0b4c4d6064ccc5a