[INFO] fetching crate chalk-ir 0.48.0...
[INFO] checking chalk-ir-0.48.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate chalk-ir 0.48.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate chalk-ir 0.48.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chalk-ir 0.48.0
[INFO] finished tweaking crates.io crate chalk-ir 0.48.0
[INFO] tweaked toml for crates.io crate chalk-ir 0.48.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abe9273de1cd0ca8089fdec9859fa9ea53fb88e1e58dc838f41a78528b1e88ed
[INFO] running `Command { std: "docker" "start" "-a" "abe9273de1cd0ca8089fdec9859fa9ea53fb88e1e58dc838f41a78528b1e88ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abe9273de1cd0ca8089fdec9859fa9ea53fb88e1e58dc838f41a78528b1e88ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe9273de1cd0ca8089fdec9859fa9ea53fb88e1e58dc838f41a78528b1e88ed", kill_on_drop: false }`
[INFO] [stdout] abe9273de1cd0ca8089fdec9859fa9ea53fb88e1e58dc838f41a78528b1e88ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48092a87c0894282dbef21eb3044e6f49af350da1158d34ad3863b828b9069fb
[INFO] running `Command { std: "docker" "start" "-a" "48092a87c0894282dbef21eb3044e6f49af350da1158d34ad3863b828b9069fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling chalk-derive v0.48.0
[INFO] [stderr]     Checking chalk-ir v0.48.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/could_match.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/could_match.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[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 26.70s
[INFO] running `Command { std: "docker" "inspect" "48092a87c0894282dbef21eb3044e6f49af350da1158d34ad3863b828b9069fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48092a87c0894282dbef21eb3044e6f49af350da1158d34ad3863b828b9069fb", kill_on_drop: false }`
[INFO] [stdout] 48092a87c0894282dbef21eb3044e6f49af350da1158d34ad3863b828b9069fb