[INFO] fetching crate activitystreams-ext 0.1.0-alpha.3...
[INFO] checking activitystreams-ext-0.1.0-alpha.3 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate activitystreams-ext 0.1.0-alpha.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate activitystreams-ext 0.1.0-alpha.3 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate activitystreams-ext 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate activitystreams-ext 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate activitystreams-ext 0.1.0-alpha.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate activitystreams-ext 0.1.0-alpha.3 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] [stderr]   Downloaded time-core v0.1.0
[INFO] [stderr]   Downloaded activitystreams-kinds v0.2.1
[INFO] [stderr]   Downloaded mime v0.3.16
[INFO] [stderr]   Downloaded itoa v1.0.4
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded time-macros v0.2.6
[INFO] [stderr]   Downloaded iri-string v0.5.6
[INFO] [stderr]   Downloaded time v0.3.17
[INFO] [stderr]   Downloaded activitystreams v0.7.0-alpha.21
[INFO] [stderr]   Downloaded anyhow v1.0.66
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] [stderr]   Downloaded serde v1.0.149
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a13c6b5253a2553987895a33ff5f279502c24438819c4914eb7404463febd3f4
[INFO] running `Command { std: "docker" "start" "-a" "a13c6b5253a2553987895a33ff5f279502c24438819c4914eb7404463febd3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a13c6b5253a2553987895a33ff5f279502c24438819c4914eb7404463febd3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13c6b5253a2553987895a33ff5f279502c24438819c4914eb7404463febd3f4", kill_on_drop: false }`
[INFO] [stdout] a13c6b5253a2553987895a33ff5f279502c24438819c4914eb7404463febd3f4
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24572fdd5b59c7435a2959633bd2c29e36f373656302ecb6d1bac93e8fa8b836
[INFO] running `Command { std: "docker" "start" "-a" "24572fdd5b59c7435a2959633bd2c29e36f373656302ecb6d1bac93e8fa8b836", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "24572fdd5b59c7435a2959633bd2c29e36f373656302ecb6d1bac93e8fa8b836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24572fdd5b59c7435a2959633bd2c29e36f373656302ecb6d1bac93e8fa8b836", kill_on_drop: false }`
[INFO] [stdout] 24572fdd5b59c7435a2959633bd2c29e36f373656302ecb6d1bac93e8fa8b836
[INFO] checking activitystreams-ext-0.1.0-alpha.3 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate activitystreams-ext 0.1.0-alpha.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate activitystreams-ext 0.1.0-alpha.3 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate activitystreams-ext 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate activitystreams-ext 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate activitystreams-ext 0.1.0-alpha.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate activitystreams-ext 0.1.0-alpha.3 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bae5274c7d8479945f54247a3190d14be1df6d439cab37b12f62298508286d0
[INFO] running `Command { std: "docker" "start" "-a" "9bae5274c7d8479945f54247a3190d14be1df6d439cab37b12f62298508286d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bae5274c7d8479945f54247a3190d14be1df6d439cab37b12f62298508286d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bae5274c7d8479945f54247a3190d14be1df6d439cab37b12f62298508286d0", kill_on_drop: false }`
[INFO] [stdout] 9bae5274c7d8479945f54247a3190d14be1df6d439cab37b12f62298508286d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9763f108acb2c068f2b5deee4164484bd81fa8d0eb3414139ef7ccfe0102b589
[INFO] running `Command { std: "docker" "start" "-a" "9763f108acb2c068f2b5deee4164484bd81fa8d0eb3414139ef7ccfe0102b589", 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 v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9763f108acb2c068f2b5deee4164484bd81fa8d0eb3414139ef7ccfe0102b589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9763f108acb2c068f2b5deee4164484bd81fa8d0eb3414139ef7ccfe0102b589", kill_on_drop: false }`
[INFO] [stdout] 9763f108acb2c068f2b5deee4164484bd81fa8d0eb3414139ef7ccfe0102b589
