[INFO] fetching crate wfst 0.6.0...
[INFO] checking wfst-0.6.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate wfst 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wfst 0.6.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wfst 0.6.0
[INFO] finished tweaking crates.io crate wfst 0.6.0
[INFO] tweaked toml for crates.io crate wfst 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 447ec44930e0f9f1864ea2258e1fb004c10541b0d6617f508d2e8346b553a022
[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" "447ec44930e0f9f1864ea2258e1fb004c10541b0d6617f508d2e8346b553a022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "447ec44930e0f9f1864ea2258e1fb004c10541b0d6617f508d2e8346b553a022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447ec44930e0f9f1864ea2258e1fb004c10541b0d6617f508d2e8346b553a022", kill_on_drop: false }`
[INFO] [stdout] 447ec44930e0f9f1864ea2258e1fb004c10541b0d6617f508d2e8346b553a022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ce3a58f037931e9b0428afafefcb96aa4de85135a7776cdc88aaa13f137e2f
[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" "88ce3a58f037931e9b0428afafefcb96aa4de85135a7776cdc88aaa13f137e2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking wfst v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/semiring/floatweight.rs:39:46
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/semiring/floatweight.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/semiring/floatweight.rs:164:46
[INFO] [stdout]     |
[INFO] [stdout] 164 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/semiring/floatweight.rs:164:30
[INFO] [stdout]     |
[INFO] [stdout] 164 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/semiring/floatweight.rs:295:46
[INFO] [stdout]     |
[INFO] [stdout] 295 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/semiring/floatweight.rs:295:30
[INFO] [stdout]     |
[INFO] [stdout] 295 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/wfst_vec.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/wfst_vec.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/wfst_vec.rs:92:40
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/wfst_vec.rs:92:24
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/wfst_vec.rs:106:40
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/wfst_vec.rs:106:24
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/semiring/floatweight.rs:39:46
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/semiring/floatweight.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/semiring/floatweight.rs:164:46
[INFO] [stdout]     |
[INFO] [stdout] 164 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/semiring/floatweight.rs:164:30
[INFO] [stdout]     |
[INFO] [stdout] 164 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/semiring/floatweight.rs:295:46
[INFO] [stdout]     |
[INFO] [stdout] 295 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/semiring/floatweight.rs:295:30
[INFO] [stdout]     |
[INFO] [stdout] 295 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/wfst_vec.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/wfst_vec.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/wfst_vec.rs:92:40
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/wfst_vec.rs:92:24
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/wfst_vec.rs:106:40
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/wfst_vec.rs:106:24
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `Command { std: "docker" "inspect" "88ce3a58f037931e9b0428afafefcb96aa4de85135a7776cdc88aaa13f137e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ce3a58f037931e9b0428afafefcb96aa4de85135a7776cdc88aaa13f137e2f", kill_on_drop: false }`
[INFO] [stdout] 88ce3a58f037931e9b0428afafefcb96aa4de85135a7776cdc88aaa13f137e2f