[INFO] cloning repository https://github.com/monroeclinton/diesel-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monroeclinton/diesel-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonroeclinton%2Fdiesel-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonroeclinton%2Fdiesel-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df2fb798e0af3b694425dfe2a53ba5d6de611857
[INFO] checking monroeclinton/diesel-learn against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonroeclinton%2Fdiesel-learn" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/monroeclinton/diesel-learn
[INFO] finished tweaking git repo https://github.com/monroeclinton/diesel-learn
[INFO] tweaked toml for git repo https://github.com/monroeclinton/diesel-learn written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/monroeclinton/diesel-learn on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/monroeclinton/diesel-learn 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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pq-sys v0.4.7
[INFO] [stderr]   Downloaded diesel v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cf7f6d566712a0d2920e5464924ccc5c0dafb3ad93d19e3a46c0f9d9913c3f1
[INFO] running `Command { std: "docker" "start" "-a" "5cf7f6d566712a0d2920e5464924ccc5c0dafb3ad93d19e3a46c0f9d9913c3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cf7f6d566712a0d2920e5464924ccc5c0dafb3ad93d19e3a46c0f9d9913c3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf7f6d566712a0d2920e5464924ccc5c0dafb3ad93d19e3a46c0f9d9913c3f1", kill_on_drop: false }`
[INFO] [stdout] 5cf7f6d566712a0d2920e5464924ccc5c0dafb3ad93d19e3a46c0f9d9913c3f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df4434e0917460db57599865daf43f5bdaa9a7c5bf738742cb0eb438c04d47a
[INFO] running `Command { std: "docker" "start" "-a" "7df4434e0917460db57599865daf43f5bdaa9a7c5bf738742cb0eb438c04d47a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling pq-sys v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 time v0.1.45
[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" "7df4434e0917460db57599865daf43f5bdaa9a7c5bf738742cb0eb438c04d47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df4434e0917460db57599865daf43f5bdaa9a7c5bf738742cb0eb438c04d47a", kill_on_drop: false }`
[INFO] [stdout] 7df4434e0917460db57599865daf43f5bdaa9a7c5bf738742cb0eb438c04d47a