[INFO] fetching crate cpp_synmap 0.3.0...
[INFO] checking cpp_synmap-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cpp_synmap 0.3.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate cpp_synmap 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpp_synmap 0.3.0
[INFO] finished tweaking crates.io crate cpp_synmap 0.3.0
[INFO] tweaked toml for crates.io crate cpp_synmap 0.3.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpp_syn v0.12.0
[INFO] [stderr]   Downloaded cpp_synom v0.12.0
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7d601b635164a04c4cd6ec5c999d9669cd5b3c2760a5883c8b8c6fb1ac9d292
[INFO] running `Command { std: "docker" "start" "-a" "e7d601b635164a04c4cd6ec5c999d9669cd5b3c2760a5883c8b8c6fb1ac9d292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7d601b635164a04c4cd6ec5c999d9669cd5b3c2760a5883c8b8c6fb1ac9d292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d601b635164a04c4cd6ec5c999d9669cd5b3c2760a5883c8b8c6fb1ac9d292", kill_on_drop: false }`
[INFO] [stdout] e7d601b635164a04c4cd6ec5c999d9669cd5b3c2760a5883c8b8c6fb1ac9d292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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=warn" "-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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6de1e1c8c44f139e79f6cf6607d3897f5898cee5cb2ca51b81352c6456d261b
[INFO] running `Command { std: "docker" "start" "-a" "d6de1e1c8c44f139e79f6cf6607d3897f5898cee5cb2ca51b81352c6456d261b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking cpp_synom v0.12.0
[INFO] [stderr]     Checking cpp_syn v0.12.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking cpp_synmap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:334:32
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:334:32
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "d6de1e1c8c44f139e79f6cf6607d3897f5898cee5cb2ca51b81352c6456d261b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6de1e1c8c44f139e79f6cf6607d3897f5898cee5cb2ca51b81352c6456d261b", kill_on_drop: false }`
[INFO] [stdout] d6de1e1c8c44f139e79f6cf6607d3897f5898cee5cb2ca51b81352c6456d261b
