[INFO] fetching crate wfst 0.6.0...
[INFO] checking wfst-0.6.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate wfst 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wfst 0.6.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8574ad3ae0719c4a7c89975da829d994fa016be6bc6d793183353761d9256661
[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" "8574ad3ae0719c4a7c89975da829d994fa016be6bc6d793183353761d9256661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8574ad3ae0719c4a7c89975da829d994fa016be6bc6d793183353761d9256661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8574ad3ae0719c4a7c89975da829d994fa016be6bc6d793183353761d9256661", kill_on_drop: false }`
[INFO] [stdout] 8574ad3ae0719c4a7c89975da829d994fa016be6bc6d793183353761d9256661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d412c57afb09eced9b1c03ccc2e29dde69378aea79bfec2620ebebd19ddd0387
[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" "d412c57afb09eced9b1c03ccc2e29dde69378aea79bfec2620ebebd19ddd0387", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[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 10.29s
[INFO] running `Command { std: "docker" "inspect" "d412c57afb09eced9b1c03ccc2e29dde69378aea79bfec2620ebebd19ddd0387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d412c57afb09eced9b1c03ccc2e29dde69378aea79bfec2620ebebd19ddd0387", kill_on_drop: false }`
[INFO] [stdout] d412c57afb09eced9b1c03ccc2e29dde69378aea79bfec2620ebebd19ddd0387