[INFO] fetching crate embedded-error-chain 1.0.0...
[INFO] checking embedded-error-chain-1.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate embedded-error-chain 1.0.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate embedded-error-chain 1.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-error-chain 1.0.0
[INFO] finished tweaking crates.io crate embedded-error-chain 1.0.0
[INFO] tweaked toml for crates.io crate embedded-error-chain 1.0.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate embedded-error-chain 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcb9bafec35de947abb74d21acd4564cd4421ff8b346c996ac1a7f6eb3825ba4
[INFO] running `Command { std: "docker" "start" "-a" "bcb9bafec35de947abb74d21acd4564cd4421ff8b346c996ac1a7f6eb3825ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcb9bafec35de947abb74d21acd4564cd4421ff8b346c996ac1a7f6eb3825ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb9bafec35de947abb74d21acd4564cd4421ff8b346c996ac1a7f6eb3825ba4", kill_on_drop: false }`
[INFO] [stdout] bcb9bafec35de947abb74d21acd4564cd4421ff8b346c996ac1a7f6eb3825ba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36bd15b31fb3347d08138e5be585521f40dd6833848df094ed13377b398893cd
[INFO] running `Command { std: "docker" "start" "-a" "36bd15b31fb3347d08138e5be585521f40dd6833848df094ed13377b398893cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling embedded-error-chain-macros v1.0.0
[INFO] [stderr]     Checking embedded-error-chain v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static is never used: `LAST_GYRO_ACC_READOUT`
[INFO] [stdout]   --> examples/acc_gyro_errors.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | static LAST_GYRO_ACC_READOUT: usize = 200;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SOME_GLOBAL_VARIABLE`
[INFO] [stdout]  --> tests/error_attr.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | static SOME_GLOBAL_VARIABLE: usize = 200;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 9.76s
[INFO] running `Command { std: "docker" "inspect" "36bd15b31fb3347d08138e5be585521f40dd6833848df094ed13377b398893cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36bd15b31fb3347d08138e5be585521f40dd6833848df094ed13377b398893cd", kill_on_drop: false }`
[INFO] [stdout] 36bd15b31fb3347d08138e5be585521f40dd6833848df094ed13377b398893cd