[INFO] cloning repository https://github.com/techlunacy/twitter-markov-trender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/techlunacy/twitter-markov-trender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechlunacy%2Ftwitter-markov-trender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechlunacy%2Ftwitter-markov-trender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e8d6e2cb43bca5386972ca5e95272f4e0bcffdc
[INFO] checking techlunacy/twitter-markov-trender against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechlunacy%2Ftwitter-markov-trender" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/techlunacy/twitter-markov-trender on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/techlunacy/twitter-markov-trender
[INFO] finished tweaking git repo https://github.com/techlunacy/twitter-markov-trender
[INFO] tweaked toml for git repo https://github.com/techlunacy/twitter-markov-trender written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/techlunacy/twitter-markov-trender 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" "+506512391b1a75ae450d36c9420978402a91abcc" "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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 863600b2c15c9179b8288bf3ff34ca62ef9d866da19c54b32f04dd8dd6e43cb9
[INFO] running `Command { std: "docker" "start" "-a" "863600b2c15c9179b8288bf3ff34ca62ef9d866da19c54b32f04dd8dd6e43cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "863600b2c15c9179b8288bf3ff34ca62ef9d866da19c54b32f04dd8dd6e43cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863600b2c15c9179b8288bf3ff34ca62ef9d866da19c54b32f04dd8dd6e43cb9", kill_on_drop: false }`
[INFO] [stdout] 863600b2c15c9179b8288bf3ff34ca62ef9d866da19c54b32f04dd8dd6e43cb9
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 433ffb7395e603cd1482c58340c8769b2f50f06489af387b1e5cdbe88ed4711f
[INFO] running `Command { std: "docker" "start" "-a" "433ffb7395e603cd1482c58340c8769b2f50f06489af387b1e5cdbe88ed4711f", kill_on_drop: false }`
[INFO] [stderr]     Checking twitter_markov_trender v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let keys = chain.iter().flat_map(|s| s.split_whitespace().next()).collect();
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     for i in keys.iter() {
[INFO] [stdout]   |              ---- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving `keys` an explicit type
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let keys: Vec<_> = chain.iter().flat_map(|s| s.split_whitespace().next()).collect();
[INFO] [stdout]   |             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let keys = chain.iter().flat_map(|s| s.split_whitespace().next()).collect();
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     for i in keys.iter() {
[INFO] [stdout]   |              ---- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving `keys` an explicit type
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let keys: Vec<_> = chain.iter().flat_map(|s| s.split_whitespace().next()).collect();
[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 `twitter_markov_trender` (bin "twitter_markov_trender") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `twitter_markov_trender` (bin "twitter_markov_trender" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "433ffb7395e603cd1482c58340c8769b2f50f06489af387b1e5cdbe88ed4711f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433ffb7395e603cd1482c58340c8769b2f50f06489af387b1e5cdbe88ed4711f", kill_on_drop: false }`
[INFO] [stdout] 433ffb7395e603cd1482c58340c8769b2f50f06489af387b1e5cdbe88ed4711f
[INFO] checking techlunacy/twitter-markov-trender against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechlunacy%2Ftwitter-markov-trender" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/techlunacy/twitter-markov-trender on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/techlunacy/twitter-markov-trender
[INFO] finished tweaking git repo https://github.com/techlunacy/twitter-markov-trender
[INFO] tweaked toml for git repo https://github.com/techlunacy/twitter-markov-trender written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/techlunacy/twitter-markov-trender 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c14d488c02a8d444d087f00e85a68a96d4ad514932ff8be7ad4c3f8d548f912
[INFO] running `Command { std: "docker" "start" "-a" "9c14d488c02a8d444d087f00e85a68a96d4ad514932ff8be7ad4c3f8d548f912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c14d488c02a8d444d087f00e85a68a96d4ad514932ff8be7ad4c3f8d548f912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c14d488c02a8d444d087f00e85a68a96d4ad514932ff8be7ad4c3f8d548f912", kill_on_drop: false }`
[INFO] [stdout] 9c14d488c02a8d444d087f00e85a68a96d4ad514932ff8be7ad4c3f8d548f912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c19549346d03e26e2b228cfb47a1334c96a9fcae668700de9c412695f02417
[INFO] running `Command { std: "docker" "start" "-a" "76c19549346d03e26e2b228cfb47a1334c96a9fcae668700de9c412695f02417", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "76c19549346d03e26e2b228cfb47a1334c96a9fcae668700de9c412695f02417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c19549346d03e26e2b228cfb47a1334c96a9fcae668700de9c412695f02417", kill_on_drop: false }`
[INFO] [stdout] 76c19549346d03e26e2b228cfb47a1334c96a9fcae668700de9c412695f02417