[INFO] fetching crate xman 1.0.3...
[INFO] checking xman-1.0.3 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113242
[INFO] extracting crate xman 1.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate xman 1.0.3 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xman 1.0.3
[INFO] finished tweaking crates.io crate xman 1.0.3
[INFO] tweaked toml for crates.io crate xman 1.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate xman 1.0.3 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded parking_lot_core v0.9.4
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.82
[INFO] [stderr]   Downloaded cxx-build v1.0.82
[INFO] [stderr]   Downloaded soup v0.5.1
[INFO] [stderr]   Downloaded doe v0.1.32
[INFO] [stderr]   Downloaded html5ever v0.22.5
[INFO] [stderr]   Downloaded cxx v1.0.82
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.82
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb48fe9c05f599118fdfd9942e68cfb8d946a49f159eef03073a88343d108f4f
[INFO] running `Command { std: "docker" "start" "-a" "fb48fe9c05f599118fdfd9942e68cfb8d946a49f159eef03073a88343d108f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb48fe9c05f599118fdfd9942e68cfb8d946a49f159eef03073a88343d108f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb48fe9c05f599118fdfd9942e68cfb8d946a49f159eef03073a88343d108f4f", kill_on_drop: false }`
[INFO] [stdout] fb48fe9c05f599118fdfd9942e68cfb8d946a49f159eef03073a88343d108f4f
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b528a9a414ffc2520808185be8bee509a94f81a66be30ee3920135b5b2d7ac48
[INFO] running `Command { std: "docker" "start" "-a" "b528a9a414ffc2520808185be8bee509a94f81a66be30ee3920135b5b2d7ac48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[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 rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde_json v1.0.88
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stdout] error: aborting due to 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" "b528a9a414ffc2520808185be8bee509a94f81a66be30ee3920135b5b2d7ac48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b528a9a414ffc2520808185be8bee509a94f81a66be30ee3920135b5b2d7ac48", kill_on_drop: false }`
[INFO] [stdout] b528a9a414ffc2520808185be8bee509a94f81a66be30ee3920135b5b2d7ac48