[INFO] cloning repository https://github.com/kamoussa/solbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamoussa/solbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamoussa%2Fsolbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamoussa%2Fsolbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e1deed5233976832e4d26920c9ddb01b28c11fd
[INFO] checking kamoussa/solbot against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamoussa%2Fsolbot" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kamoussa/solbot
[INFO] finished tweaking git repo https://github.com/kamoussa/solbot
[INFO] tweaked toml for git repo https://github.com/kamoussa/solbot written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kamoussa/solbot on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kamoussa/solbot 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baeb72194ca3304ab9b32244832dc4199768af135d27dbbd48e8f0427d1f0442
[INFO] running `Command { std: "docker" "start" "-a" "baeb72194ca3304ab9b32244832dc4199768af135d27dbbd48e8f0427d1f0442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baeb72194ca3304ab9b32244832dc4199768af135d27dbbd48e8f0427d1f0442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baeb72194ca3304ab9b32244832dc4199768af135d27dbbd48e8f0427d1f0442", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8a0d5fe2409bad2c885b68bc129000dc4d2376b69f6e49b558a4dbd18eee6b41", kill_on_drop: false }`
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[INFO] [stdout] warning: variable `tick_count` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:711:9
[INFO] [stdout]     |
[INFO] [stdout] 711 |     let mut tick_count = 0u32;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_tick_count` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tick_count` is never read
[INFO] [stdout]    --> src/main.rs:717:9
[INFO] [stdout]     |
[INFO] [stdout] 717 |         tick_count += 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tick_count` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:711:9
[INFO] [stdout]     |
[INFO] [stdout] 711 |     let mut tick_count = 0u32;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_tick_count` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tick_count` is never read
[INFO] [stdout]    --> src/main.rs:717:9
[INFO] [stdout]     |
[INFO] [stdout] 717 |         tick_count += 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLEANUP_INTERVAL` is never used
[INFO] [stdout]    --> src/main.rs:712:11
[INFO] [stdout]     |
[INFO] [stdout] 712 |     const CLEANUP_INTERVAL: u32 = 12; // Run cleanup every 12 ticks (every hour)
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEEP_HOURS` is never used
[INFO] [stdout]    --> src/main.rs:713:11
[INFO] [stdout]     |
[INFO] [stdout] 713 |     const KEEP_HOURS: u64 = 48; // Keep 48 hours of data (2x strategy needs)
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLEANUP_INTERVAL` is never used
[INFO] [stdout]    --> src/main.rs:712:11
[INFO] [stdout]     |
[INFO] [stdout] 712 |     const CLEANUP_INTERVAL: u32 = 12; // Run cleanup every 12 ticks (every hour)
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEEP_HOURS` is never used
[INFO] [stdout]    --> src/main.rs:713:11
[INFO] [stdout]     |
[INFO] [stdout] 713 |     const KEEP_HOURS: u64 = 48; // Keep 48 hours of data (2x strategy needs)
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "8a0d5fe2409bad2c885b68bc129000dc4d2376b69f6e49b558a4dbd18eee6b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0d5fe2409bad2c885b68bc129000dc4d2376b69f6e49b558a4dbd18eee6b41", kill_on_drop: false }`
[INFO] [stdout] 8a0d5fe2409bad2c885b68bc129000dc4d2376b69f6e49b558a4dbd18eee6b41