[INFO] fetching crate try-let 0.2.0...
[INFO] checking try-let-0.2.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate try-let 0.2.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate try-let 0.2.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate try-let 0.2.0
[INFO] finished tweaking crates.io crate try-let 0.2.0
[INFO] tweaked toml for crates.io crate try-let 0.2.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdcc17058440adf946388009dc571b378b40c34b606eaa3dc4ca8cf31c3e9d8c
[INFO] running `Command { std: "docker" "start" "-a" "fdcc17058440adf946388009dc571b378b40c34b606eaa3dc4ca8cf31c3e9d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdcc17058440adf946388009dc571b378b40c34b606eaa3dc4ca8cf31c3e9d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdcc17058440adf946388009dc571b378b40c34b606eaa3dc4ca8cf31c3e9d8c", kill_on_drop: false }`
[INFO] [stdout] fdcc17058440adf946388009dc571b378b40c34b606eaa3dc4ca8cf31c3e9d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb98cd90f8091f16efcde69b007c201014c3f0e92c3cd50eaa7aa49945466b58
[INFO] running `Command { std: "docker" "start" "-a" "eb98cd90f8091f16efcde69b007c201014c3f0e92c3cd50eaa7aa49945466b58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking try-let v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `bindings_after_at` has been stable since 1.54.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/bindings_after_at.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(bindings_after_at)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.88s
[INFO] running `Command { std: "docker" "inspect" "eb98cd90f8091f16efcde69b007c201014c3f0e92c3cd50eaa7aa49945466b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb98cd90f8091f16efcde69b007c201014c3f0e92c3cd50eaa7aa49945466b58", kill_on_drop: false }`
[INFO] [stdout] eb98cd90f8091f16efcde69b007c201014c3f0e92c3cd50eaa7aa49945466b58