[INFO] cloning repository https://github.com/monlovesmango/hostr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monlovesmango/hostr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonlovesmango%2Fhostr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonlovesmango%2Fhostr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f969178b0753c078f3fdd31b3b346b8edb4c1bec
[INFO] checking monlovesmango/hostr against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonlovesmango%2Fhostr" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/monlovesmango/hostr
[INFO] finished tweaking git repo https://github.com/monlovesmango/hostr
[INFO] tweaked toml for git repo https://github.com/monlovesmango/hostr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/monlovesmango/hostr on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/monlovesmango/hostr 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_with_macros v1.5.2
[INFO] [stderr]   Downloaded bitcoin_hashes v0.11.0
[INFO] [stderr]   Downloaded aead v0.5.1
[INFO] [stderr]   Downloaded devise v0.3.1
[INFO] [stderr]   Downloaded universal-hash v0.5.0
[INFO] [stderr]   Downloaded base64-url v1.4.13
[INFO] [stderr]   Downloaded devise_codegen v0.3.1
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.12
[INFO] [stderr]   Downloaded devise_core v0.3.1
[INFO] [stderr]   Downloaded atomic v0.5.1
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.11
[INFO] [stderr]   Downloaded figment v0.10.8
[INFO] [stderr]   Downloaded serde_with v1.14.0
[INFO] [stderr]   Downloaded rocket_codegen v0.5.0-rc.2
[INFO] [stderr]   Downloaded rocket_http v0.5.0-rc.2
[INFO] [stderr]   Downloaded aes v0.8.1
[INFO] [stderr]   Downloaded aes-gcm v0.10.1
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded serde_json v1.0.86
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded secp256k1 v0.24.1
[INFO] [stderr]   Downloaded rocket v0.5.0-rc.2
[INFO] [stderr]   Downloaded multer v2.0.4
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded pear_codegen v0.2.3
[INFO] [stderr]   Downloaded pear v0.2.3
[INFO] [stderr]   Downloaded generator v0.7.1
[INFO] [stderr]   Downloaded uncased v0.9.7
[INFO] [stderr]   Downloaded ref-cast v1.0.12
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded secp256k1-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 808928d8e1b903a477ab7137bf47682b5057b1fde4f53badd2360536319ccc79
[INFO] running `Command { std: "docker" "start" "-a" "808928d8e1b903a477ab7137bf47682b5057b1fde4f53badd2360536319ccc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "808928d8e1b903a477ab7137bf47682b5057b1fde4f53badd2360536319ccc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808928d8e1b903a477ab7137bf47682b5057b1fde4f53badd2360536319ccc79", kill_on_drop: false }`
[INFO] [stdout] 808928d8e1b903a477ab7137bf47682b5057b1fde4f53badd2360536319ccc79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56f4eb996e92c9210ed0c8cb70989b41c652f32e5c3a7c41711334f2da84f751
[INFO] running `Command { std: "docker" "start" "-a" "56f4eb996e92c9210ed0c8cb70989b41c652f32e5c3a7c41711334f2da84f751", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling cookie v0.16.1
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling ref-cast v1.0.12
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing-core v0.1.30
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "56f4eb996e92c9210ed0c8cb70989b41c652f32e5c3a7c41711334f2da84f751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f4eb996e92c9210ed0c8cb70989b41c652f32e5c3a7c41711334f2da84f751", kill_on_drop: false }`
[INFO] [stdout] 56f4eb996e92c9210ed0c8cb70989b41c652f32e5c3a7c41711334f2da84f751