[INFO] fetching crate async-stream 0.3.5...
[INFO] checking async-stream-0.3.5 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate async-stream 0.3.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate async-stream 0.3.5 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-stream 0.3.5
[INFO] finished tweaking crates.io crate async-stream 0.3.5
[INFO] tweaked toml for crates.io crate async-stream 0.3.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-stream 0.3.5 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.80
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded slab v0.4.8
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded basic-toml v0.1.2
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 843d732847ccda3041c04fff1f406fe264e1b3740ec51328d681764d6094af2f
[INFO] running `Command { std: "docker" "start" "-a" "843d732847ccda3041c04fff1f406fe264e1b3740ec51328d681764d6094af2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "843d732847ccda3041c04fff1f406fe264e1b3740ec51328d681764d6094af2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843d732847ccda3041c04fff1f406fe264e1b3740ec51328d681764d6094af2f", kill_on_drop: false }`
[INFO] [stdout] 843d732847ccda3041c04fff1f406fe264e1b3740ec51328d681764d6094af2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cba963734e2508e0c3fcb0fcdb7b79c157be6c9dadcdf35d4a7ada67f1f3aafc
[INFO] running `Command { std: "docker" "start" "-a" "cba963734e2508e0c3fcb0fcdb7b79c157be6c9dadcdf35d4a7ada67f1f3aafc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling trybuild v1.0.80
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking bytes v1.4.0
[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] [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" "cba963734e2508e0c3fcb0fcdb7b79c157be6c9dadcdf35d4a7ada67f1f3aafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba963734e2508e0c3fcb0fcdb7b79c157be6c9dadcdf35d4a7ada67f1f3aafc", kill_on_drop: false }`
[INFO] [stdout] cba963734e2508e0c3fcb0fcdb7b79c157be6c9dadcdf35d4a7ada67f1f3aafc
[INFO] checking async-stream-0.3.5 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate async-stream 0.3.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate async-stream 0.3.5 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-stream 0.3.5
[INFO] finished tweaking crates.io crate async-stream 0.3.5
[INFO] tweaked toml for crates.io crate async-stream 0.3.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate async-stream 0.3.5 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7690080ed79c7db35c3bf6a3cb6033a7cf9c8861b4d2c41cb70802f347b766d
[INFO] running `Command { std: "docker" "start" "-a" "e7690080ed79c7db35c3bf6a3cb6033a7cf9c8861b4d2c41cb70802f347b766d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7690080ed79c7db35c3bf6a3cb6033a7cf9c8861b4d2c41cb70802f347b766d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7690080ed79c7db35c3bf6a3cb6033a7cf9c8861b4d2c41cb70802f347b766d", kill_on_drop: false }`
[INFO] [stdout] e7690080ed79c7db35c3bf6a3cb6033a7cf9c8861b4d2c41cb70802f347b766d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6b24e0abe255b1760eb4902c27e4348b9246e66f8c7301bb3abbc4394228c1f
[INFO] running `Command { std: "docker" "start" "-a" "a6b24e0abe255b1760eb4902c27e4348b9246e66f8c7301bb3abbc4394228c1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling trybuild v1.0.80
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking once_cell v1.17.1
[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] [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" "a6b24e0abe255b1760eb4902c27e4348b9246e66f8c7301bb3abbc4394228c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b24e0abe255b1760eb4902c27e4348b9246e66f8c7301bb3abbc4394228c1f", kill_on_drop: false }`
[INFO] [stdout] a6b24e0abe255b1760eb4902c27e4348b9246e66f8c7301bb3abbc4394228c1f
