[INFO] fetching crate libreflow-api 0.0.1-alpha.1...
[INFO] checking libreflow-api-0.0.1-alpha.1 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate libreflow-api 0.0.1-alpha.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libreflow-api 0.0.1-alpha.1
[INFO] finished tweaking crates.io crate libreflow-api 0.0.1-alpha.1
[INFO] tweaked toml for crates.io crate libreflow-api 0.0.1-alpha.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libreflow-api 0.0.1-alpha.1 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v1.0.0 (available: v2.1.1)
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 664f8531ed459ad03b9cff913dea26edcc8d1f8dd2ca8ad99f83ca563a7f92a0
[INFO] running `Command { std: "docker" "start" "-a" "664f8531ed459ad03b9cff913dea26edcc8d1f8dd2ca8ad99f83ca563a7f92a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "664f8531ed459ad03b9cff913dea26edcc8d1f8dd2ca8ad99f83ca563a7f92a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664f8531ed459ad03b9cff913dea26edcc8d1f8dd2ca8ad99f83ca563a7f92a0", kill_on_drop: false }`
[INFO] [stdout] 664f8531ed459ad03b9cff913dea26edcc8d1f8dd2ca8ad99f83ca563a7f92a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06fc92fc3baa89bb6e7dc53ce36a8e2a7b6ade0e46f392236f0f28c6c20d4ce6
[INFO] running `Command { std: "docker" "start" "-a" "06fc92fc3baa89bb6e7dc53ce36a8e2a7b6ade0e46f392236f0f28c6c20d4ce6", kill_on_drop: false }`
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking libreflow-api v0.0.1-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `byte_slice_trim_ascii` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(byte_slice_trim_ascii)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `byte_slice_trim_ascii` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(byte_slice_trim_ascii)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `metadata` and `event_data` are never read
[INFO] [stdout]   --> src/fcs/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Sample {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 14 |     metadata: Metadata,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     event_data: EventData,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "06fc92fc3baa89bb6e7dc53ce36a8e2a7b6ade0e46f392236f0f28c6c20d4ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06fc92fc3baa89bb6e7dc53ce36a8e2a7b6ade0e46f392236f0f28c6c20d4ce6", kill_on_drop: false }`
[INFO] [stdout] 06fc92fc3baa89bb6e7dc53ce36a8e2a7b6ade0e46f392236f0f28c6c20d4ce6
