[INFO] cloning repository https://github.com/blakehawkins/gfrh-rs-club-1-and-2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blakehawkins/gfrh-rs-club-1-and-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fgfrh-rs-club-1-and-2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fgfrh-rs-club-1-and-2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afff5e11ee709fb2bcd57e2df8917131da412973
[INFO] checking blakehawkins/gfrh-rs-club-1-and-2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fgfrh-rs-club-1-and-2" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2
[INFO] finished tweaking git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2
[INFO] tweaked toml for git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6300fe15ca3eaa24706c55d293ea00a2cef2e32bd911fb1e60e4585778b0f382
[INFO] running `Command { std: "docker" "start" "-a" "6300fe15ca3eaa24706c55d293ea00a2cef2e32bd911fb1e60e4585778b0f382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6300fe15ca3eaa24706c55d293ea00a2cef2e32bd911fb1e60e4585778b0f382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6300fe15ca3eaa24706c55d293ea00a2cef2e32bd911fb1e60e4585778b0f382", kill_on_drop: false }`
[INFO] [stdout] 6300fe15ca3eaa24706c55d293ea00a2cef2e32bd911fb1e60e4585778b0f382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88cf6aac3e473ce366b0c32acb688f0fe32d4475ace9bf990d734d6dda309500
[INFO] running `Command { std: "docker" "start" "-a" "88cf6aac3e473ce366b0c32acb688f0fe32d4475ace9bf990d734d6dda309500", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking gfrh-rs-club-1-and-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "88cf6aac3e473ce366b0c32acb688f0fe32d4475ace9bf990d734d6dda309500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cf6aac3e473ce366b0c32acb688f0fe32d4475ace9bf990d734d6dda309500", kill_on_drop: false }`
[INFO] [stdout] 88cf6aac3e473ce366b0c32acb688f0fe32d4475ace9bf990d734d6dda309500
[INFO] checking blakehawkins/gfrh-rs-club-1-and-2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fgfrh-rs-club-1-and-2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2
[INFO] finished tweaking git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2
[INFO] tweaked toml for git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/blakehawkins/gfrh-rs-club-1-and-2 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e8c28e245695e737fbe151ff2895aab3a3e766d453b185ca378f8779431005f
[INFO] running `Command { std: "docker" "start" "-a" "4e8c28e245695e737fbe151ff2895aab3a3e766d453b185ca378f8779431005f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e8c28e245695e737fbe151ff2895aab3a3e766d453b185ca378f8779431005f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8c28e245695e737fbe151ff2895aab3a3e766d453b185ca378f8779431005f", kill_on_drop: false }`
[INFO] [stdout] 4e8c28e245695e737fbe151ff2895aab3a3e766d453b185ca378f8779431005f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e3e4e2b0925d44b3f2dc706da8453d0a8b0cd13e70bec21877a157fe9a111d9
[INFO] running `Command { std: "docker" "start" "-a" "5e3e4e2b0925d44b3f2dc706da8453d0a8b0cd13e70bec21877a157fe9a111d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking gfrh-rs-club-1-and-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             None.context("What!? Nine thousand?  It's over nine thouuuuusaaaaand!!!")?;
[INFO] [stdout]    |             ^^^^ cannot infer type of the type parameter `T` declared on the enum `Option`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 26 |             None::<T>.context("What!? Nine thousand?  It's over nine thouuuuusaaaaand!!!")?;
[INFO] [stdout]    |                 +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             None.context("What!? Nine thousand?  It's over nine thouuuuusaaaaand!!!")?;
[INFO] [stdout]    |             ^^^^ cannot infer type of the type parameter `T` declared on the enum `Option`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 26 |             None::<T>.context("What!? Nine thousand?  It's over nine thouuuuusaaaaand!!!")?;
[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 E0282`.
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gfrh-rs-club-1-and-2` (bin "gfrh-rs-club-1-and-2") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gfrh-rs-club-1-and-2` (bin "gfrh-rs-club-1-and-2" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5e3e4e2b0925d44b3f2dc706da8453d0a8b0cd13e70bec21877a157fe9a111d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3e4e2b0925d44b3f2dc706da8453d0a8b0cd13e70bec21877a157fe9a111d9", kill_on_drop: false }`
[INFO] [stdout] 5e3e4e2b0925d44b3f2dc706da8453d0a8b0cd13e70bec21877a157fe9a111d9