[INFO] fetching crate scdlang_smcat 0.2.1...
[INFO] checking scdlang_smcat-0.2.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate scdlang_smcat 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate scdlang_smcat 0.2.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scdlang_smcat 0.2.1
[INFO] finished tweaking crates.io crate scdlang_smcat 0.2.1
[INFO] tweaked toml for crates.io crate scdlang_smcat 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] d1ad3a5ef44c2c28f3e5c3492a8052d832b148191978cb634069e23b0179ea67
[INFO] running `Command { std: "docker" "start" "-a" "d1ad3a5ef44c2c28f3e5c3492a8052d832b148191978cb634069e23b0179ea67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1ad3a5ef44c2c28f3e5c3492a8052d832b148191978cb634069e23b0179ea67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ad3a5ef44c2c28f3e5c3492a8052d832b148191978cb634069e23b0179ea67", kill_on_drop: false }`
[INFO] [stdout] d1ad3a5ef44c2c28f3e5c3492a8052d832b148191978cb634069e23b0179ea67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39feae68523cb18ff0552fb56fdf3de3bd4e4c2cd39fc726dd5298f2c99545d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "39feae68523cb18ff0552fb56fdf3de3bd4e4c2cd39fc726dd5298f2c99545d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]     Checking scdlang v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking assert-json-diff v1.1.0
[INFO] [stderr]     Checking scdlang_smcat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn configure(&mut self) -> &mut Builder<'a> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Builder<'a>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn configure(&mut self) -> &mut Builder<'a> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Builder<'a>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 47.89s
[INFO] running `Command { std: "docker" "inspect" "39feae68523cb18ff0552fb56fdf3de3bd4e4c2cd39fc726dd5298f2c99545d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39feae68523cb18ff0552fb56fdf3de3bd4e4c2cd39fc726dd5298f2c99545d6", kill_on_drop: false }`
[INFO] [stdout] 39feae68523cb18ff0552fb56fdf3de3bd4e4c2cd39fc726dd5298f2c99545d6