[INFO] fetching crate iftree 1.0.4...
[INFO] checking iftree-1.0.4 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate iftree 1.0.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate iftree 1.0.4 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iftree 1.0.4
[INFO] finished tweaking crates.io crate iftree 1.0.4
[INFO] tweaked toml for crates.io crate iftree 1.0.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate iftree 1.0.4 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twoway v0.1.8
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded warp v0.3.2
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
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[INFO] [stderr]   Downloaded anyhow v1.0.54
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[INFO] [stderr]   Downloaded gloo-timers v0.2.3
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[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded actix-codec v0.5.0
[INFO] [stderr]   Downloaded actix-rt v2.6.0
[INFO] [stderr]   Downloaded actix-http v3.3.0
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[INFO] [stderr]   Downloaded femme v2.1.1
[INFO] [stderr]   Downloaded sha1 v0.10.4
[INFO] [stderr]   Downloaded zstd-safe v6.0.3+zstd.1.5.2
[INFO] [stderr]   Downloaded zstd v0.12.3+zstd.1.5.2
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[INFO] [stderr]   Downloaded actix-web-codegen v4.1.0
[INFO] [stderr]   Downloaded include-flate-codegen v0.1.4
[INFO] [stderr]   Downloaded include-flate-codegen-exports v0.1.4
[INFO] [stderr]   Downloaded libflate_lz77 v1.1.0
[INFO] [stderr]   Downloaded libflate v1.1.2
[INFO] [stderr]   Downloaded multer v2.0.2
[INFO] [stderr]   Downloaded devise_codegen v0.3.1
[INFO] [stderr]   Downloaded devise_core v0.3.1
[INFO] [stderr]   Downloaded devise v0.3.1
[INFO] [stderr]   Downloaded rocket_codegen v0.5.0-rc.2
[INFO] [stderr]   Downloaded ghash v0.4.4
[INFO] [stderr]   Downloaded aes-gcm v0.9.4
[INFO] [stderr]   Downloaded cookie v0.16.0
[INFO] [stderr]   Downloaded rocket_http v0.5.0-rc.2
[INFO] [stderr]   Downloaded loom v0.5.4
[INFO] [stderr]   Downloaded time-macros v0.2.3
[INFO] [stderr]   Downloaded time v0.3.7
[INFO] [stderr]   Downloaded tokio-util v0.7.0
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded dashmap v4.0.2
[INFO] [stderr]   Downloaded http-client v6.5.1
[INFO] [stderr]   Downloaded blocking v1.1.0
[INFO] [stderr]   Downloaded async-process v1.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.29
[INFO] [stderr]   Downloaded polyval v0.4.5
[INFO] [stderr]   Downloaded async-dup v1.2.2
[INFO] [stderr]   Downloaded aes-gcm v0.8.0
[INFO] [stderr]   Downloaded async-task v4.1.0
[INFO] [stderr]   Downloaded ghash v0.3.1
[INFO] [stderr]   Downloaded hkdf v0.10.0
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] [stderr]   Downloaded toml v0.7.1
[INFO] [stderr]   Downloaded buf_redux v0.8.4
[INFO] [stderr]   Downloaded toml_edit v0.19.1
[INFO] [stderr]   Downloaded tungstenite v0.14.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.15.0
[INFO] [stderr]   Downloaded sval v1.0.0-alpha.5
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.8
[INFO] [stderr]   Downloaded tracing-attributes v0.1.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68aec7ae020849488fd3bf523cd7eaf471160e711a436fc70c4953db9b91d58e
[INFO] running `Command { std: "docker" "start" "-a" "68aec7ae020849488fd3bf523cd7eaf471160e711a436fc70c4953db9b91d58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68aec7ae020849488fd3bf523cd7eaf471160e711a436fc70c4953db9b91d58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68aec7ae020849488fd3bf523cd7eaf471160e711a436fc70c4953db9b91d58e", kill_on_drop: false }`
[INFO] [stdout] 68aec7ae020849488fd3bf523cd7eaf471160e711a436fc70c4953db9b91d58e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c219355bb91a30d22323e9984518374c4eb696cef82cac07729feda9b35543b8
[INFO] running `Command { std: "docker" "start" "-a" "c219355bb91a30d22323e9984518374c4eb696cef82cac07729feda9b35543b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 pin-project-lite v0.2.8
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[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" "c219355bb91a30d22323e9984518374c4eb696cef82cac07729feda9b35543b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c219355bb91a30d22323e9984518374c4eb696cef82cac07729feda9b35543b8", kill_on_drop: false }`
[INFO] [stdout] c219355bb91a30d22323e9984518374c4eb696cef82cac07729feda9b35543b8
[INFO] checking iftree-1.0.4 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate iftree 1.0.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate iftree 1.0.4 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iftree 1.0.4
[INFO] finished tweaking crates.io crate iftree 1.0.4
[INFO] tweaked toml for crates.io crate iftree 1.0.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate iftree 1.0.4 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 875dc0374009cc74c1546d4ef976a85229928cfa120f2b780cdecd32617a326e
[INFO] running `Command { std: "docker" "start" "-a" "875dc0374009cc74c1546d4ef976a85229928cfa120f2b780cdecd32617a326e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "875dc0374009cc74c1546d4ef976a85229928cfa120f2b780cdecd32617a326e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875dc0374009cc74c1546d4ef976a85229928cfa120f2b780cdecd32617a326e", kill_on_drop: false }`
[INFO] [stdout] 875dc0374009cc74c1546d4ef976a85229928cfa120f2b780cdecd32617a326e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ae1e3843707e0a048a741feb3ade3d96006f352f904b2359183af4e708f95b4
[INFO] running `Command { std: "docker" "start" "-a" "8ae1e3843707e0a048a741feb3ade3d96006f352f904b2359183af4e708f95b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 pin-project-lite v0.2.8
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking itoa v1.0.1
[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" "8ae1e3843707e0a048a741feb3ade3d96006f352f904b2359183af4e708f95b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae1e3843707e0a048a741feb3ade3d96006f352f904b2359183af4e708f95b4", kill_on_drop: false }`
[INFO] [stdout] 8ae1e3843707e0a048a741feb3ade3d96006f352f904b2359183af4e708f95b4
