[INFO] fetching crate more-options 3.3.0...
[INFO] checking more-options-3.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate more-options 3.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate more-options 3.3.0
[INFO] finished tweaking crates.io crate more-options 3.3.0
[INFO] tweaked toml for crates.io crate more-options 3.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate more-options 3.3.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding test-case v2.2.2 (available: v3.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d49093e1ffb420f878c34968f046f433f9c0696a2c2ef6599967b5c106b94536
[INFO] running `Command { std: "docker" "start" "-a" "d49093e1ffb420f878c34968f046f433f9c0696a2c2ef6599967b5c106b94536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d49093e1ffb420f878c34968f046f433f9c0696a2c2ef6599967b5c106b94536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49093e1ffb420f878c34968f046f433f9c0696a2c2ef6599967b5c106b94536", kill_on_drop: false }`
[INFO] [stdout] d49093e1ffb420f878c34968f046f433f9c0696a2c2ef6599967b5c106b94536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dbcc777c78e007ad491ae92185a357320c4fef5e02a5c65e2a8616878a89e70
[INFO] running `Command { std: "docker" "start" "-a" "5dbcc777c78e007ad491ae92185a357320c4fef5e02a5c65e2a8616878a89e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking more-di v3.1.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking more-changetoken v2.0.0
[INFO] [stderr]     Checking more-options v3.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/monitor.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Subscription<T: Value>(Arc<dyn Fn(Option<&str>, Ref<T>) + Send + Sync>);
[INFO] [stdout]    |            ------------           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling test-case-macros v2.2.2
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking test-case v2.2.2
[INFO] [stderr]     Checking more-config v2.1.5
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/monitor.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Subscription<T: Value>(Arc<dyn Fn(Option<&str>, Ref<T>) + Send + Sync>);
[INFO] [stdout]    |            ------------           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.20s
[INFO] running `Command { std: "docker" "inspect" "5dbcc777c78e007ad491ae92185a357320c4fef5e02a5c65e2a8616878a89e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbcc777c78e007ad491ae92185a357320c4fef5e02a5c65e2a8616878a89e70", kill_on_drop: false }`
[INFO] [stdout] 5dbcc777c78e007ad491ae92185a357320c4fef5e02a5c65e2a8616878a89e70