[INFO] cloning repository https://github.com/Scarjit/licensebundler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Scarjit/licensebundler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScarjit%2Flicensebundler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScarjit%2Flicensebundler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c30e274f3314c71289ab1b3dffb62096574625f2
[INFO] checking Scarjit/licensebundler/c30e274f3314c71289ab1b3dffb62096574625f2 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScarjit%2Flicensebundler" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Scarjit/licensebundler on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Scarjit/licensebundler
[INFO] finished tweaking git repo https://github.com/Scarjit/licensebundler
[INFO] tweaked toml for git repo https://github.com/Scarjit/licensebundler written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Scarjit/licensebundler 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded cargo-license v0.4.1
[INFO] [stderr]   Downloaded os_str_bytes v2.4.0
[INFO] [stderr]   Downloaded cargo_metadata v0.9.1
[INFO] [stderr]   Downloaded comrak v0.10.1
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.2
[INFO] [stderr]   Downloaded textwrap v0.12.1
[INFO] [stderr]   Downloaded clap v3.0.0-beta.2
[INFO] [stderr]   Downloaded tokio v1.18.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 697074d108e6cfe8ec431c843ee3442fd0fe4839602c32bb222f5c2b6c3a1b9c
[INFO] running `Command { std: "docker" "start" "-a" "697074d108e6cfe8ec431c843ee3442fd0fe4839602c32bb222f5c2b6c3a1b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "697074d108e6cfe8ec431c843ee3442fd0fe4839602c32bb222f5c2b6c3a1b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697074d108e6cfe8ec431c843ee3442fd0fe4839602c32bb222f5c2b6c3a1b9c", kill_on_drop: false }`
[INFO] [stdout] 697074d108e6cfe8ec431c843ee3442fd0fe4839602c32bb222f5c2b6c3a1b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 150177cf0fe84c3af23504eb7f914745747769062d1dbb3982a83cb67b8fd518
[INFO] running `Command { std: "docker" "start" "-a" "150177cf0fe84c3af23504eb7f914745747769062d1dbb3982a83cb67b8fd518", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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]     Checking http v0.2.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking try-lock v0.2.3
[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" "150177cf0fe84c3af23504eb7f914745747769062d1dbb3982a83cb67b8fd518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150177cf0fe84c3af23504eb7f914745747769062d1dbb3982a83cb67b8fd518", kill_on_drop: false }`
[INFO] [stdout] 150177cf0fe84c3af23504eb7f914745747769062d1dbb3982a83cb67b8fd518