[INFO] fetching crate iftree 1.0.4...
[INFO] checking iftree-1.0.4 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate iftree 1.0.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate iftree 1.0.4 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded warp v0.3.2
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded sval v1.0.0-alpha.5
[INFO] [stderr]   Downloaded tokio-tungstenite v0.15.0
[INFO] [stderr]   Downloaded gloo-timers v0.2.3
[INFO] [stderr]   Downloaded tungstenite v0.14.0
[INFO] [stderr]   Downloaded devise v0.3.1
[INFO] [stderr]   Downloaded libflate_lz77 v1.1.0
[INFO] [stderr]   Downloaded firestorm v0.5.0
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.6
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[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded include-flate-codegen v0.1.4
[INFO] [stderr]   Downloaded sha1 v0.10.4
[INFO] [stderr]   Downloaded zstd-safe v6.0.3+zstd.1.5.2
[INFO] [stderr]   Downloaded libflate v1.1.2
[INFO] [stderr]   Downloaded actix-http v3.3.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.9
[INFO] [stderr]   Downloaded rocket v0.5.0-rc.2
[INFO] [stderr]   Downloaded femme v2.1.1
[INFO] [stderr]   Downloaded h2 v0.3.11
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] [stderr]   Downloaded include-flate v0.1.4
[INFO] [stderr]   Downloaded actix-web v4.3.0
[INFO] [stderr]   Downloaded handlebars v4.3.3
[INFO] [stderr]   Downloaded rocket_codegen v0.5.0-rc.2
[INFO] [stderr]   Downloaded rocket_http v0.5.0-rc.2
[INFO] [stderr]   Downloaded loom v0.5.4
[INFO] [stderr]   Downloaded blake3 v0.3.8
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] [stderr]   Downloaded hyper v0.14.17
[INFO] [stderr]   Downloaded actix-rt v2.6.0
[INFO] [stderr]   Downloaded actix-router v0.5.0
[INFO] [stderr]   Downloaded actix-web-codegen v4.1.0
[INFO] [stderr]   Downloaded semver v1.0.5
[INFO] [stderr]   Downloaded uncased v0.9.6
[INFO] [stderr]   Downloaded toml_edit v0.19.1
[INFO] [stderr]   Downloaded actix-server v2.0.0
[INFO] [stderr]   Downloaded state v0.5.3
[INFO] [stderr]   Downloaded async-dup v1.2.2
[INFO] [stderr]   Downloaded anyhow v1.0.54
[INFO] [stderr]   Downloaded async-io v1.6.0
[INFO] [stderr]   Downloaded blocking v1.1.0
[INFO] [stderr]   Downloaded include-flate-codegen-exports v0.1.4
[INFO] [stderr]   Downloaded devise_codegen v0.3.1
[INFO] [stderr]   Downloaded devise_core v0.3.1
[INFO] [stderr]   Downloaded stable-pattern v0.1.0
[INFO] [stderr]   Downloaded async-session v2.0.1
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded http-client v6.5.1
[INFO] [stderr]   Downloaded binascii v0.1.4
[INFO] [stderr]   Downloaded multer v2.0.2
[INFO] [stderr]   Downloaded ubyte v0.10.1
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded toml v0.7.1
[INFO] [stderr]   Downloaded async-process v1.3.0
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded tracing v0.1.31
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bae2f3d65d840b30dc71a89051780d76943463776f9b03f74efe1f35a90ab0b5
[INFO] running `Command { std: "docker" "start" "-a" "bae2f3d65d840b30dc71a89051780d76943463776f9b03f74efe1f35a90ab0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bae2f3d65d840b30dc71a89051780d76943463776f9b03f74efe1f35a90ab0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae2f3d65d840b30dc71a89051780d76943463776f9b03f74efe1f35a90ab0b5", kill_on_drop: false }`
[INFO] [stdout] bae2f3d65d840b30dc71a89051780d76943463776f9b03f74efe1f35a90ab0b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43ae64265e5559f7bdc93abd762f3d67f5d2a64b1ae129c1dbb4139fa3e2d416
[INFO] running `Command { std: "docker" "start" "-a" "43ae64265e5559f7bdc93abd762f3d67f5d2a64b1ae129c1dbb4139fa3e2d416", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[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]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[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 autocfg v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking subtle v2.4.1
[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" "43ae64265e5559f7bdc93abd762f3d67f5d2a64b1ae129c1dbb4139fa3e2d416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ae64265e5559f7bdc93abd762f3d67f5d2a64b1ae129c1dbb4139fa3e2d416", kill_on_drop: false }`
[INFO] [stdout] 43ae64265e5559f7bdc93abd762f3d67f5d2a64b1ae129c1dbb4139fa3e2d416
[INFO] checking iftree-1.0.4 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate iftree 1.0.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate iftree 1.0.4 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-2-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6477e096c9d81854a24a7b58c12c35cd1a6012d82d3317d26d0c04bc4f2c48b
[INFO] running `Command { std: "docker" "start" "-a" "f6477e096c9d81854a24a7b58c12c35cd1a6012d82d3317d26d0c04bc4f2c48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6477e096c9d81854a24a7b58c12c35cd1a6012d82d3317d26d0c04bc4f2c48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6477e096c9d81854a24a7b58c12c35cd1a6012d82d3317d26d0c04bc4f2c48b", kill_on_drop: false }`
[INFO] [stdout] f6477e096c9d81854a24a7b58c12c35cd1a6012d82d3317d26d0c04bc4f2c48b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ff5f71a45e237c609ca1cb0c909a33b9370df5654d9fb8b3c254397900eb0c
[INFO] running `Command { std: "docker" "start" "-a" "15ff5f71a45e237c609ca1cb0c909a33b9370df5654d9fb8b3c254397900eb0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[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]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling serde v1.0.152
[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]    Compiling futures-core v0.3.21
[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]     Checking sval v1.0.0-alpha.5
[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" "15ff5f71a45e237c609ca1cb0c909a33b9370df5654d9fb8b3c254397900eb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ff5f71a45e237c609ca1cb0c909a33b9370df5654d9fb8b3c254397900eb0c", kill_on_drop: false }`
[INFO] [stdout] 15ff5f71a45e237c609ca1cb0c909a33b9370df5654d9fb8b3c254397900eb0c
