[INFO] fetching crate as2c 0.1.3...
[INFO] checking as2c-0.1.3 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate as2c 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate as2c 0.1.3 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate as2c 0.1.3
[INFO] finished tweaking crates.io crate as2c 0.1.3
[INFO] tweaked toml for crates.io crate as2c 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate as2c 0.1.3 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_hawktracer_normal_macro v0.4.1
[INFO] [stderr]   Downloaded yuvxyb v0.3.0
[INFO] [stderr]   Downloaded rust_hawktracer v0.7.0
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded noop_proc_macro v0.3.0
[INFO] [stderr]   Downloaded rust_hawktracer_proc_macro v0.4.1
[INFO] [stderr]   Downloaded v_frame v0.3.0
[INFO] [stderr]   Downloaded progress_bar v1.0.3
[INFO] [stderr]   Downloaded as-slice v0.2.1
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
[INFO] [stderr]   Downloaded byte-slice-cast v1.2.1
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded ssimulacra2 v0.3.0
[INFO] [stderr]   Downloaded os_str_bytes v6.3.0
[INFO] [stderr]   Downloaded clap_derive v4.0.18
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded pin-project v1.0.12
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded mio v0.8.5
[INFO] [stderr]   Downloaded wide v0.7.5
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded rayon v1.5.3
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded clap v4.0.18
[INFO] [stderr]   Downloaded exr v1.5.2
[INFO] [stderr]   Downloaded nalgebra v0.31.2
[INFO] [stderr]   Downloaded png v0.17.6
[INFO] [stderr]   Downloaded image v0.24.4
[INFO] [stderr]   Downloaded flate2 v1.0.24
[INFO] [stderr]   Downloaded weezl v0.1.7
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] [stderr]   Downloaded socket2 v0.4.7
[INFO] [stderr]   Downloaded bytes v1.2.1
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded parking_lot_core v0.9.4
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded num-rational v0.4.1
[INFO] [stderr]   Downloaded bytemuck v1.12.1
[INFO] [stderr]   Downloaded simba v0.7.2
[INFO] [stderr]   Downloaded tokio v1.21.2
[INFO] [stderr]   Downloaded slab v0.4.7
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.12
[INFO] [stderr]   Downloaded jpeg-decoder v0.2.6
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] [stderr]   Downloaded num-complex v0.4.2
[INFO] [stderr]   Downloaded nanorand v0.7.0
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] [stderr]   Downloaded aligned v0.4.1
[INFO] [stderr]   Downloaded memoffset v0.6.5
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded tiff v0.7.3
[INFO] [stderr]   Downloaded av-data v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fc9c026cb2b9491acc14c1d1e52ddfd80f83daceed0f081cfde19f81bb52abd
[INFO] running `Command { std: "docker" "start" "-a" "3fc9c026cb2b9491acc14c1d1e52ddfd80f83daceed0f081cfde19f81bb52abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fc9c026cb2b9491acc14c1d1e52ddfd80f83daceed0f081cfde19f81bb52abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc9c026cb2b9491acc14c1d1e52ddfd80f83daceed0f081cfde19f81bb52abd", kill_on_drop: false }`
[INFO] [stdout] 3fc9c026cb2b9491acc14c1d1e52ddfd80f83daceed0f081cfde19f81bb52abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29bc9986c993861d948395a8a859af73fe9d302bd318d23a0b367b50f2f5c782
[INFO] running `Command { std: "docker" "start" "-a" "29bc9986c993861d948395a8a859af73fe9d302bd318d23a0b367b50f2f5c782", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[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 v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[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" "29bc9986c993861d948395a8a859af73fe9d302bd318d23a0b367b50f2f5c782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29bc9986c993861d948395a8a859af73fe9d302bd318d23a0b367b50f2f5c782", kill_on_drop: false }`
[INFO] [stdout] 29bc9986c993861d948395a8a859af73fe9d302bd318d23a0b367b50f2f5c782
[INFO] checking as2c-0.1.3 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate as2c 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate as2c 0.1.3 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate as2c 0.1.3
[INFO] finished tweaking crates.io crate as2c 0.1.3
[INFO] tweaked toml for crates.io crate as2c 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate as2c 0.1.3 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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c98d51ead1b044b3249bdae00795f7a75c6f837ab9b6dea9c91a42d7cf67da8
[INFO] running `Command { std: "docker" "start" "-a" "0c98d51ead1b044b3249bdae00795f7a75c6f837ab9b6dea9c91a42d7cf67da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c98d51ead1b044b3249bdae00795f7a75c6f837ab9b6dea9c91a42d7cf67da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c98d51ead1b044b3249bdae00795f7a75c6f837ab9b6dea9c91a42d7cf67da8", kill_on_drop: false }`
[INFO] [stdout] 0c98d51ead1b044b3249bdae00795f7a75c6f837ab9b6dea9c91a42d7cf67da8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d214fe9b775d7da6ed71a9ed6ea4326d7b8397719086226f8c106c048994cd96
[INFO] running `Command { std: "docker" "start" "-a" "d214fe9b775d7da6ed71a9ed6ea4326d7b8397719086226f8c106c048994cd96", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[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 v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling num-bigint v0.4.3
[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] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[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" "d214fe9b775d7da6ed71a9ed6ea4326d7b8397719086226f8c106c048994cd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d214fe9b775d7da6ed71a9ed6ea4326d7b8397719086226f8c106c048994cd96", kill_on_drop: false }`
[INFO] [stdout] d214fe9b775d7da6ed71a9ed6ea4326d7b8397719086226f8c106c048994cd96
