[INFO] fetching crate densky-core 0.1.0...
[INFO] checking densky-core-0.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate densky-core 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate densky-core 0.1.0 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 densky-core 0.1.0
[INFO] finished tweaking crates.io crate densky-core 0.1.0
[INFO] tweaked toml for crates.io crate densky-core 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate densky-core 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded recur-fn v2.2.0
[INFO] [stderr]   Downloaded prettify-js v0.1.0
[INFO] [stderr]   Downloaded ress v0.9.1
[INFO] [stderr]   Downloaded dynamic-html v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2c697bdd0acf9cf79f76b579f10ed25f2842c1f76aa5f650ee538b076ff8631b
[INFO] running `Command { std: "docker" "start" "-a" "2c697bdd0acf9cf79f76b579f10ed25f2842c1f76aa5f650ee538b076ff8631b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c697bdd0acf9cf79f76b579f10ed25f2842c1f76aa5f650ee538b076ff8631b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c697bdd0acf9cf79f76b579f10ed25f2842c1f76aa5f650ee538b076ff8631b", kill_on_drop: false }`
[INFO] [stdout] 2c697bdd0acf9cf79f76b579f10ed25f2842c1f76aa5f650ee538b076ff8631b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 106bc2e52a740f96af8f94f5bc42557b0bc78537832d0a41980db38e0dcaee42
[INFO] running `Command { std: "docker" "start" "-a" "106bc2e52a740f96af8f94f5bc42557b0bc78537832d0a41980db38e0dcaee42", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking recur-fn v2.2.0
[INFO] [stderr]     Checking ress v0.9.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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] [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" "106bc2e52a740f96af8f94f5bc42557b0bc78537832d0a41980db38e0dcaee42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106bc2e52a740f96af8f94f5bc42557b0bc78537832d0a41980db38e0dcaee42", kill_on_drop: false }`
[INFO] [stdout] 106bc2e52a740f96af8f94f5bc42557b0bc78537832d0a41980db38e0dcaee42
[INFO] checking densky-core-0.1.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate densky-core 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate densky-core 0.1.0 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 densky-core 0.1.0
[INFO] finished tweaking crates.io crate densky-core 0.1.0
[INFO] tweaked toml for crates.io crate densky-core 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate densky-core 0.1.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 641235103f8dba91f925ea9e6091f5f9255cbc444a2c7c78261a38dbbed0c1ad
[INFO] running `Command { std: "docker" "start" "-a" "641235103f8dba91f925ea9e6091f5f9255cbc444a2c7c78261a38dbbed0c1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "641235103f8dba91f925ea9e6091f5f9255cbc444a2c7c78261a38dbbed0c1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641235103f8dba91f925ea9e6091f5f9255cbc444a2c7c78261a38dbbed0c1ad", kill_on_drop: false }`
[INFO] [stdout] 641235103f8dba91f925ea9e6091f5f9255cbc444a2c7c78261a38dbbed0c1ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d8b13e65ff91274363d18141c26f4db0babac8fcee3aaafdde78c554c441133c
[INFO] running `Command { std: "docker" "start" "-a" "d8b13e65ff91274363d18141c26f4db0babac8fcee3aaafdde78c554c441133c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking recur-fn v2.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking ress v0.9.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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] [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" "d8b13e65ff91274363d18141c26f4db0babac8fcee3aaafdde78c554c441133c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b13e65ff91274363d18141c26f4db0babac8fcee3aaafdde78c554c441133c", kill_on_drop: false }`
[INFO] [stdout] d8b13e65ff91274363d18141c26f4db0babac8fcee3aaafdde78c554c441133c
