[INFO] cloning repository https://github.com/Academic-Forum/academic-forum-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Academic-Forum/academic-forum-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcademic-Forum%2Facademic-forum-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcademic-Forum%2Facademic-forum-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 490f905c325287bfb2203a0cb99a20352604bef7
[INFO] building Academic-Forum/academic-forum-bot against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcademic-Forum%2Facademic-forum-bot" "/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/Academic-Forum/academic-forum-bot on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Academic-Forum/academic-forum-bot
[INFO] finished tweaking git repo https://github.com/Academic-Forum/academic-forum-bot
[INFO] tweaked toml for git repo https://github.com/Academic-Forum/academic-forum-bot written to /workspace/builds/worker-2-tc1/source/Cargo.toml
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c79c6778a68ed58371f83c50137998725dae88dbbe7435da451ffd8099f4ebe0
[INFO] running `Command { std: "docker" "start" "-a" "c79c6778a68ed58371f83c50137998725dae88dbbe7435da451ffd8099f4ebe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c79c6778a68ed58371f83c50137998725dae88dbbe7435da451ffd8099f4ebe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79c6778a68ed58371f83c50137998725dae88dbbe7435da451ffd8099f4ebe0", kill_on_drop: false }`
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[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 849ee235ca7938816e0cfc21bb3a5715612d4e8c92c4d400d02f66ad59c52bfa
[INFO] running `Command { std: "docker" "start" "-a" "849ee235ca7938816e0cfc21bb3a5715612d4e8c92c4d400d02f66ad59c52bfa", kill_on_drop: false }`
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[INFO] [stderr]    Compiling poise v0.5.7
[INFO] [stderr]    Compiling academic_forum_bot v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `CustomContext` is never used
[INFO] [stdout]  --> src/util.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait CustomContext {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 16s
[INFO] running `Command { std: "docker" "inspect" "849ee235ca7938816e0cfc21bb3a5715612d4e8c92c4d400d02f66ad59c52bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849ee235ca7938816e0cfc21bb3a5715612d4e8c92c4d400d02f66ad59c52bfa", kill_on_drop: false }`
[INFO] [stdout] 849ee235ca7938816e0cfc21bb3a5715612d4e8c92c4d400d02f66ad59c52bfa
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 420429ea8d80f087b86a1ac29fa8e0f7ce5f03f851f9a8ca69574ce588052b74
[INFO] running `Command { std: "docker" "start" "-a" "420429ea8d80f087b86a1ac29fa8e0f7ce5f03f851f9a8ca69574ce588052b74", kill_on_drop: false }`
[INFO] [stderr]    Compiling academic_forum_bot v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `CustomContext` is never used
[INFO] [stdout]  --> src/util.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait CustomContext {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "420429ea8d80f087b86a1ac29fa8e0f7ce5f03f851f9a8ca69574ce588052b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420429ea8d80f087b86a1ac29fa8e0f7ce5f03f851f9a8ca69574ce588052b74", kill_on_drop: false }`
[INFO] [stdout] 420429ea8d80f087b86a1ac29fa8e0f7ce5f03f851f9a8ca69574ce588052b74