[INFO] cloning repository https://github.com/COMBINE-lab/TreeTerminus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/COMBINE-lab/TreeTerminus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCOMBINE-lab%2FTreeTerminus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCOMBINE-lab%2FTreeTerminus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a8196614ec3af22f5faec7a99ea1b922ce3cbf6
[INFO] building COMBINE-lab/TreeTerminus against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCOMBINE-lab%2FTreeTerminus" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/COMBINE-lab/TreeTerminus 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/COMBINE-lab/TreeTerminus
[INFO] finished tweaking git repo https://github.com/COMBINE-lab/TreeTerminus
[INFO] tweaked toml for git repo https://github.com/COMBINE-lab/TreeTerminus written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/COMBINE-lab/TreeTerminus 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.5.1
[INFO] [stderr]       Adding bytemuck v1.21.0
[INFO] [stderr]       Adding matrixmultiply v0.3.9
[INFO] [stderr]       Adding nalgebra v0.29.0
[INFO] [stderr]       Adding nalgebra-macros v0.1.0
[INFO] [stderr]       Adding num-complex v0.4.6
[INFO] [stderr]       Adding num-rational v0.4.2
[INFO] [stderr]     Updating num-traits v0.2.15 -> v0.2.19
[INFO] [stderr]       Adding rand_distr v0.4.3
[INFO] [stderr]       Adding safe_arch v0.7.4
[INFO] [stderr]       Adding simba v0.6.0
[INFO] [stderr]       Adding statrs v0.16.1 (available: v0.18.0)
[INFO] [stderr]       Adding wide v0.7.31
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f94c99aa21e6e622807fef12e0a0bb29154154f3593aefd34a3d87ebf21460e
[INFO] running `Command { std: "docker" "start" "-a" "4f94c99aa21e6e622807fef12e0a0bb29154154f3593aefd34a3d87ebf21460e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f94c99aa21e6e622807fef12e0a0bb29154154f3593aefd34a3d87ebf21460e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f94c99aa21e6e622807fef12e0a0bb29154154f3593aefd34a3d87ebf21460e", kill_on_drop: false }`
[INFO] [stdout] 4f94c99aa21e6e622807fef12e0a0bb29154154f3593aefd34a3d87ebf21460e
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ed9975d37d241b8db84eb0ada8ab9afb56cfedb09916de7976ab75311999f1f
[INFO] running `Command { std: "docker" "start" "-a" "8ed9975d37d241b8db84eb0ada8ab9afb56cfedb09916de7976ab75311999f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling bytemuck v1.21.0
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/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 safe_arch v0.7.4
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[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" "8ed9975d37d241b8db84eb0ada8ab9afb56cfedb09916de7976ab75311999f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed9975d37d241b8db84eb0ada8ab9afb56cfedb09916de7976ab75311999f1f", kill_on_drop: false }`
[INFO] [stdout] 8ed9975d37d241b8db84eb0ada8ab9afb56cfedb09916de7976ab75311999f1f
