[INFO] fetching crate aquatic_udp_load_test 0.8.0...
[INFO] checking aquatic_udp_load_test-0.8.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate aquatic_udp_load_test 0.8.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate aquatic_udp_load_test 0.8.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aquatic_udp_load_test 0.8.0
[INFO] finished tweaking crates.io crate aquatic_udp_load_test 0.8.0
[INFO] tweaked toml for crates.io crate aquatic_udp_load_test 0.8.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate aquatic_udp_load_test 0.8.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hwloc v0.5.0
[INFO] [stderr]   Downloaded aquatic_udp_protocol v0.8.0
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded pkg-config v0.3.26
[INFO] [stderr]   Downloaded time-macros v0.2.8
[INFO] [stderr]   Downloaded aquatic_common v0.8.0
[INFO] [stderr]   Downloaded privdrop v0.5.3
[INFO] [stderr]   Downloaded time-core v0.1.0
[INFO] [stderr]   Downloaded mimalloc v0.1.34
[INFO] [stderr]   Downloaded git-testament-derive v0.1.14
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded aquatic_toml_config_derive v0.8.0
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded aquatic_toml_config v0.8.0
[INFO] [stderr]   Downloaded simple_logger v4.0.0
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded nix v0.26.2
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded syn v2.0.0
[INFO] [stderr]   Downloaded hashbrown v0.13.2
[INFO] [stderr]   Downloaded arc-swap v1.6.0
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.30
[INFO] [stderr]   Downloaded serde_derive v1.0.157
[INFO] [stderr]   Downloaded git-testament v0.2.4
[INFO] [stderr]   Downloaded ahash v0.8.3
[INFO] [stderr]   Downloaded duplicate v0.4.1
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdad5a5b1440014332e6dba331af47552a3cbc1297864fab9b8385448edb74b6
[INFO] running `Command { std: "docker" "start" "-a" "cdad5a5b1440014332e6dba331af47552a3cbc1297864fab9b8385448edb74b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdad5a5b1440014332e6dba331af47552a3cbc1297864fab9b8385448edb74b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdad5a5b1440014332e6dba331af47552a3cbc1297864fab9b8385448edb74b6", kill_on_drop: false }`
[INFO] [stdout] cdad5a5b1440014332e6dba331af47552a3cbc1297864fab9b8385448edb74b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85bf0cdfab0675d447f4317667765c4a60e826fc6ff233d8d4afdb97c078e60f
[INFO] running `Command { std: "docker" "start" "-a" "85bf0cdfab0675d447f4317667765c4a60e826fc6ff233d8d4afdb97c078e60f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/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 libm v0.2.6
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling cc v1.0.79
[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" "85bf0cdfab0675d447f4317667765c4a60e826fc6ff233d8d4afdb97c078e60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85bf0cdfab0675d447f4317667765c4a60e826fc6ff233d8d4afdb97c078e60f", kill_on_drop: false }`
[INFO] [stdout] 85bf0cdfab0675d447f4317667765c4a60e826fc6ff233d8d4afdb97c078e60f
[INFO] checking aquatic_udp_load_test-0.8.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate aquatic_udp_load_test 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate aquatic_udp_load_test 0.8.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aquatic_udp_load_test 0.8.0
[INFO] finished tweaking crates.io crate aquatic_udp_load_test 0.8.0
[INFO] tweaked toml for crates.io crate aquatic_udp_load_test 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate aquatic_udp_load_test 0.8.0 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 443b787901304744bdfc8545b2151ded695fdf770e6825c503c8ee5fb991bb3b
[INFO] running `Command { std: "docker" "start" "-a" "443b787901304744bdfc8545b2151ded695fdf770e6825c503c8ee5fb991bb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "443b787901304744bdfc8545b2151ded695fdf770e6825c503c8ee5fb991bb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443b787901304744bdfc8545b2151ded695fdf770e6825c503c8ee5fb991bb3b", kill_on_drop: false }`
[INFO] [stdout] 443b787901304744bdfc8545b2151ded695fdf770e6825c503c8ee5fb991bb3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0c7d76364ca0892ec6acd0881e1280c51ca6d8ed55c52b88d573183d0bfd47a
[INFO] running `Command { std: "docker" "start" "-a" "a0c7d76364ca0892ec6acd0881e1280c51ca6d8ed55c52b88d573183d0bfd47a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/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 itoa v1.0.6
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libm v0.2.6
[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" "a0c7d76364ca0892ec6acd0881e1280c51ca6d8ed55c52b88d573183d0bfd47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c7d76364ca0892ec6acd0881e1280c51ca6d8ed55c52b88d573183d0bfd47a", kill_on_drop: false }`
[INFO] [stdout] a0c7d76364ca0892ec6acd0881e1280c51ca6d8ed55c52b88d573183d0bfd47a
