[INFO] cloning repository https://github.com/lisandropaolini/send-email-with-sendgrid-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lisandropaolini/send-email-with-sendgrid-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flisandropaolini%2Fsend-email-with-sendgrid-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flisandropaolini%2Fsend-email-with-sendgrid-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fd943d2e8334161e18cfc7960add4b5c52d3bb1
[INFO] testing lisandropaolini/send-email-with-sendgrid-rust against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flisandropaolini%2Fsend-email-with-sendgrid-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lisandropaolini/send-email-with-sendgrid-rust
[INFO] finished tweaking git repo https://github.com/lisandropaolini/send-email-with-sendgrid-rust
[INFO] tweaked toml for git repo https://github.com/lisandropaolini/send-email-with-sendgrid-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lisandropaolini/send-email-with-sendgrid-rust on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lisandropaolini/send-email-with-sendgrid-rust 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ced141cf9d9ccf5b7fa893d6989bd0a879a16924e2cd2a92f318bb580599ce8c
[INFO] running `Command { std: "docker" "start" "-a" "ced141cf9d9ccf5b7fa893d6989bd0a879a16924e2cd2a92f318bb580599ce8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ced141cf9d9ccf5b7fa893d6989bd0a879a16924e2cd2a92f318bb580599ce8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced141cf9d9ccf5b7fa893d6989bd0a879a16924e2cd2a92f318bb580599ce8c", kill_on_drop: false }`
[INFO] [stdout] ced141cf9d9ccf5b7fa893d6989bd0a879a16924e2cd2a92f318bb580599ce8c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 310e741f4cefefcdc80873a6f70fae46892270f895c2675b3479b75212c40017
[INFO] running `Command { std: "docker" "start" "-a" "310e741f4cefefcdc80873a6f70fae46892270f895c2675b3479b75212c40017", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[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 once_cell v1.17.1
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.85
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling openssl v0.10.50
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.22
[INFO] [stderr]    Compiling encoding_rs v0.8.32
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling ipnet v2.7.2
[INFO] [stderr]    Compiling idna v0.3.0
[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" "310e741f4cefefcdc80873a6f70fae46892270f895c2675b3479b75212c40017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310e741f4cefefcdc80873a6f70fae46892270f895c2675b3479b75212c40017", kill_on_drop: false }`
[INFO] [stdout] 310e741f4cefefcdc80873a6f70fae46892270f895c2675b3479b75212c40017