[INFO] cloning repository https://github.com/campbellcole/synapse-admin-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/campbellcole/synapse-admin-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcampbellcole%2Fsynapse-admin-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcampbellcole%2Fsynapse-admin-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbec002220e80eedd4214b13d1b353577cc71a56
[INFO] checking campbellcole/synapse-admin-client against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcampbellcole%2Fsynapse-admin-client" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/campbellcole/synapse-admin-client
[INFO] finished tweaking git repo https://github.com/campbellcole/synapse-admin-client
[INFO] tweaked toml for git repo https://github.com/campbellcole/synapse-admin-client written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/campbellcole/synapse-admin-client on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/campbellcole/synapse-admin-client 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 672e38032716071322522a2676f19a2fac4376e58776d94bb59770aa514b473a
[INFO] running `Command { std: "docker" "start" "-a" "672e38032716071322522a2676f19a2fac4376e58776d94bb59770aa514b473a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "672e38032716071322522a2676f19a2fac4376e58776d94bb59770aa514b473a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672e38032716071322522a2676f19a2fac4376e58776d94bb59770aa514b473a", kill_on_drop: false }`
[INFO] [stdout] 672e38032716071322522a2676f19a2fac4376e58776d94bb59770aa514b473a
[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" "-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a3f24804a9094ac658b6baf898ae4fa781682b767e70cec2aad53502d1bfe86
[INFO] running `Command { std: "docker" "start" "-a" "4a3f24804a9094ac658b6baf898ae4fa781682b767e70cec2aad53502d1bfe86", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.25
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling winnow v0.3.5
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling js_int v0.2.2
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking wildmatch v2.1.1
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling async-trait v0.1.66
[INFO] [stderr]    Compiling matrix-sdk-common v0.6.0
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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]     Checking idna v0.3.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling matrix-sdk v0.6.2
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking anymap2 v0.13.0
[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" "4a3f24804a9094ac658b6baf898ae4fa781682b767e70cec2aad53502d1bfe86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3f24804a9094ac658b6baf898ae4fa781682b767e70cec2aad53502d1bfe86", kill_on_drop: false }`
[INFO] [stdout] 4a3f24804a9094ac658b6baf898ae4fa781682b767e70cec2aad53502d1bfe86
