[INFO] cloning repository https://github.com/JPHutchins/serial-terminal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JPHutchins/serial-terminal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPHutchins%2Fserial-terminal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPHutchins%2Fserial-terminal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1237e807ccfda2a14516753353aa19310bf0ad6e
[INFO] building JPHutchins/serial-terminal against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPHutchins%2Fserial-terminal" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JPHutchins/serial-terminal on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JPHutchins/serial-terminal
[INFO] finished tweaking git repo https://github.com/JPHutchins/serial-terminal
[INFO] tweaked toml for git repo https://github.com/JPHutchins/serial-terminal written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JPHutchins/serial-terminal 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" "+334963c956d25708feab489a3816ae63f639355d" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74f44ffc7f28addaa331e606f4647e653fc43090784515b2d3e550f17472a26c
[INFO] running `Command { std: "docker" "start" "-a" "74f44ffc7f28addaa331e606f4647e653fc43090784515b2d3e550f17472a26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74f44ffc7f28addaa331e606f4647e653fc43090784515b2d3e550f17472a26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f44ffc7f28addaa331e606f4647e653fc43090784515b2d3e550f17472a26c", kill_on_drop: false }`
[INFO] [stdout] 74f44ffc7f28addaa331e606f4647e653fc43090784515b2d3e550f17472a26c
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b461f8ddd0a541139d225e69374f2ebf9c82b440701bf23aa167c9feedb762
[INFO] running `Command { std: "docker" "start" "-a" "d2b461f8ddd0a541139d225e69374f2ebf9c82b440701bf23aa167c9feedb762", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 jobserver v0.1.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.25
[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" "d2b461f8ddd0a541139d225e69374f2ebf9c82b440701bf23aa167c9feedb762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b461f8ddd0a541139d225e69374f2ebf9c82b440701bf23aa167c9feedb762", kill_on_drop: false }`
[INFO] [stdout] d2b461f8ddd0a541139d225e69374f2ebf9c82b440701bf23aa167c9feedb762
