[INFO] fetching crate scdlang_smcat 0.2.1...
[INFO] checking scdlang_smcat-0.2.1 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate scdlang_smcat 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate scdlang_smcat 0.2.1 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.13.0
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded serde_with v1.9.4
[INFO] [stderr]   Downloaded darling v0.13.0
[INFO] [stderr]   Downloaded darling_core v0.13.0
[INFO] [stderr]   Downloaded serde_with_macros v1.4.2
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6bfae082ae88c48c1025a9f12a49377520d1067ef2121305c6fbf4f5d38888d
[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" "b6bfae082ae88c48c1025a9f12a49377520d1067ef2121305c6fbf4f5d38888d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6bfae082ae88c48c1025a9f12a49377520d1067ef2121305c6fbf4f5d38888d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bfae082ae88c48c1025a9f12a49377520d1067ef2121305c6fbf4f5d38888d", kill_on_drop: false }`
[INFO] [stdout] b6bfae082ae88c48c1025a9f12a49377520d1067ef2121305c6fbf4f5d38888d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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] 160a58c99a5e71e7e77f9ea8f953912658a475dc628aeda4213b9db61cb3ced0
[INFO] running `Command { std: "docker" "start" "-a" "160a58c99a5e71e7e77f9ea8f953912658a475dc628aeda4213b9db61cb3ced0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]     Checking scdlang v0.2.1
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_with v1.9.4
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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: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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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 58.80s
[INFO] running `Command { std: "docker" "inspect" "160a58c99a5e71e7e77f9ea8f953912658a475dc628aeda4213b9db61cb3ced0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160a58c99a5e71e7e77f9ea8f953912658a475dc628aeda4213b9db61cb3ced0", kill_on_drop: false }`
[INFO] [stdout] 160a58c99a5e71e7e77f9ea8f953912658a475dc628aeda4213b9db61cb3ced0