[INFO] fetching crate mqtt-ping 0.3.0...
[INFO] checking mqtt-ping-0.3.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate mqtt-ping 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mqtt-ping 0.3.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqtt-ping 0.3.0
[INFO] finished tweaking crates.io crate mqtt-ping 0.3.0
[INFO] tweaked toml for crates.io crate mqtt-ping 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mqtt-ping 0.3.0 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-tungstenite v0.16.1
[INFO] [stderr]   Downloaded rumqttc v0.17.0
[INFO] [stderr]   Downloaded pollster v0.2.5
[INFO] [stderr]   Downloaded ws_stream_tungstenite v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d741872bdcfdae5287c4822bd11e9e9d90cde44928ece320411a559661ddab7e
[INFO] running `Command { std: "docker" "start" "-a" "d741872bdcfdae5287c4822bd11e9e9d90cde44928ece320411a559661ddab7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d741872bdcfdae5287c4822bd11e9e9d90cde44928ece320411a559661ddab7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d741872bdcfdae5287c4822bd11e9e9d90cde44928ece320411a559661ddab7e", kill_on_drop: false }`
[INFO] [stdout] d741872bdcfdae5287c4822bd11e9e9d90cde44928ece320411a559661ddab7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f32970f6d2a5988713256c896cbed6c923288b0871267f93f9179fb8c22e4c0
[INFO] running `Command { std: "docker" "start" "-a" "5f32970f6d2a5988713256c896cbed6c923288b0871267f93f9179fb8c22e4c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[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 v1.0.102
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.1
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[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]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling pharos v0.5.3
[INFO] [stderr]    Compiling async_io_stream v0.3.3
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.7.0
[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" "5f32970f6d2a5988713256c896cbed6c923288b0871267f93f9179fb8c22e4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f32970f6d2a5988713256c896cbed6c923288b0871267f93f9179fb8c22e4c0", kill_on_drop: false }`
[INFO] [stdout] 5f32970f6d2a5988713256c896cbed6c923288b0871267f93f9179fb8c22e4c0
[INFO] checking mqtt-ping-0.3.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate mqtt-ping 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mqtt-ping 0.3.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqtt-ping 0.3.0
[INFO] finished tweaking crates.io crate mqtt-ping 0.3.0
[INFO] tweaked toml for crates.io crate mqtt-ping 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate mqtt-ping 0.3.0 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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d80e8fa31f7c2fb8eeca7024c071e3b6f6c2fc3c78599913ad79c0a90fdc4d
[INFO] running `Command { std: "docker" "start" "-a" "63d80e8fa31f7c2fb8eeca7024c071e3b6f6c2fc3c78599913ad79c0a90fdc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d80e8fa31f7c2fb8eeca7024c071e3b6f6c2fc3c78599913ad79c0a90fdc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d80e8fa31f7c2fb8eeca7024c071e3b6f6c2fc3c78599913ad79c0a90fdc4d", kill_on_drop: false }`
[INFO] [stdout] 63d80e8fa31f7c2fb8eeca7024c071e3b6f6c2fc3c78599913ad79c0a90fdc4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fd87f5411d2f543ac742c9e6ca31589826aaa3e01da1976eecfc908bc29ddcc
[INFO] running `Command { std: "docker" "start" "-a" "0fd87f5411d2f543ac742c9e6ca31589826aaa3e01da1976eecfc908bc29ddcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[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 v1.0.102
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking rustls-pemfile v1.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling anyhow v1.0.65
[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 http v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[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" "0fd87f5411d2f543ac742c9e6ca31589826aaa3e01da1976eecfc908bc29ddcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd87f5411d2f543ac742c9e6ca31589826aaa3e01da1976eecfc908bc29ddcc", kill_on_drop: false }`
[INFO] [stdout] 0fd87f5411d2f543ac742c9e6ca31589826aaa3e01da1976eecfc908bc29ddcc
