[INFO] fetching crate music-player-migration 0.1.5...
[INFO] checking music-player-migration-0.1.5 against try#303604bb848977091b2fdfc36579c25e56c6889c for pr-108691
[INFO] extracting crate music-player-migration 0.1.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate music-player-migration 0.1.5 on toolchain 303604bb848977091b2fdfc36579c25e56c6889c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+303604bb848977091b2fdfc36579c25e56c6889c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate music-player-migration 0.1.5
[INFO] finished tweaking crates.io crate music-player-migration 0.1.5
[INFO] tweaked toml for crates.io crate music-player-migration 0.1.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate music-player-migration 0.1.5 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" "+303604bb848977091b2fdfc36579c25e56c6889c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+303604bb848977091b2fdfc36579c25e56c6889c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15e718c11b4b2dc4195ad7816e45d091c815035113554d26a0957b0b6cb91129
[INFO] running `Command { std: "docker" "start" "-a" "15e718c11b4b2dc4195ad7816e45d091c815035113554d26a0957b0b6cb91129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15e718c11b4b2dc4195ad7816e45d091c815035113554d26a0957b0b6cb91129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e718c11b4b2dc4195ad7816e45d091c815035113554d26a0957b0b6cb91129", kill_on_drop: false }`
[INFO] [stdout] 15e718c11b4b2dc4195ad7816e45d091c815035113554d26a0957b0b6cb91129
[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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+303604bb848977091b2fdfc36579c25e56c6889c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5ce3b0a77c10dc45b168ae7966dd1604aae837a170c721b5d2b2d34701336bb
[INFO] running `Command { std: "docker" "start" "-a" "a5ce3b0a77c10dc45b168ae7966dd1604aae837a170c721b5d2b2d34701336bb", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]   --> src/m20221117_211308_add_created_at_column.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]   --> src/m20221117_211308_add_created_at_column.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Album` is never constructed
[INFO] [stdout]    --> src/m20220101_000001_create_table.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 252 | enum Track {
[INFO] [stdout]     |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 257 |     Album,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Album` is never constructed
[INFO] [stdout]    --> src/m20220101_000001_create_table.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 252 | enum Track {
[INFO] [stdout]     |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 257 |     Album,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.53s
[INFO] running `Command { std: "docker" "inspect" "a5ce3b0a77c10dc45b168ae7966dd1604aae837a170c721b5d2b2d34701336bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ce3b0a77c10dc45b168ae7966dd1604aae837a170c721b5d2b2d34701336bb", kill_on_drop: false }`
[INFO] [stdout] a5ce3b0a77c10dc45b168ae7966dd1604aae837a170c721b5d2b2d34701336bb