[INFO] cloning repository https://github.com/jeffro256/serde_epee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffro256/serde_epee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffro256%2Fserde_epee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffro256%2Fserde_epee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a24741f2ffcf85f65e48bc1185e4a5ad66dec28
[INFO] testing jeffro256/serde_epee against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffro256%2Fserde_epee" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffro256/serde_epee on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeffro256/serde_epee
[INFO] finished tweaking git repo https://github.com/jeffro256/serde_epee
[INFO] tweaked toml for git repo https://github.com/jeffro256/serde_epee written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/jeffro256/serde_epee already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc0135be24bb62a80cc39fcd19f90dafea7212c483a7fe3dd1cd05b9012fd9fb
[INFO] running `Command { std: "docker" "start" "-a" "dc0135be24bb62a80cc39fcd19f90dafea7212c483a7fe3dd1cd05b9012fd9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc0135be24bb62a80cc39fcd19f90dafea7212c483a7fe3dd1cd05b9012fd9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0135be24bb62a80cc39fcd19f90dafea7212c483a7fe3dd1cd05b9012fd9fb", kill_on_drop: false }`
[INFO] [stdout] dc0135be24bb62a80cc39fcd19f90dafea7212c483a7fe3dd1cd05b9012fd9fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6f9d83efac9ebdf97cd404a4b843fdc5bc862b4d2d2d2814ff0bac547def58a
[INFO] running `Command { std: "docker" "start" "-a" "c6f9d83efac9ebdf97cd404a4b843fdc5bc862b4d2d2d2814ff0bac547def58a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_epee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `EnumAccess`, `IntoDeserializer`, `VariantAccess`
[INFO] [stdout]  --> src/de.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     self, DeserializeSeed, EnumAccess, IntoDeserializer, MapAccess, SeqAccess,
[INFO] [stdout]   |                            ^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     VariantAccess, Visitor,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn deserialize_any<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:210:31
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:220:3
[INFO] [stdout]     |
[INFO] [stdout] 220 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:231:3
[INFO] [stdout]     |
[INFO] [stdout] 231 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:289:30
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn deserialize_map<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:312:3
[INFO] [stdout]     |
[INFO] [stdout] 312 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `type_code`
[INFO] [stdout]    --> src/de.rs:338:2
[INFO] [stdout]     |
[INFO] [stdout] 338 |     type_code: u8
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PORTABLE_STORAGE_SIGNATUREA`
[INFO] [stdout]  --> src/constants.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const PORTABLE_STORAGE_SIGNATUREA: u32 = 0x01011101;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PORTABLE_STORAGE_SIGNATUREB`
[INFO] [stdout]  --> src/constants.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const PORTABLE_STORAGE_SIGNATUREB: u32 = 0x01020101;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PORTABLE_STORAGE_FORMAT_VER`
[INFO] [stdout]  --> src/constants.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const PORTABLE_STORAGE_FORMAT_VER: u8 = 0x01;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_STRING_BUFFER_SIZE`
[INFO] [stdout]   --> src/constants.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const MAX_STRING_BUFFER_SIZE:usize = 4096; // In order to prevent memory allocation spam
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "c6f9d83efac9ebdf97cd404a4b843fdc5bc862b4d2d2d2814ff0bac547def58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f9d83efac9ebdf97cd404a4b843fdc5bc862b4d2d2d2814ff0bac547def58a", kill_on_drop: false }`
[INFO] [stdout] c6f9d83efac9ebdf97cd404a4b843fdc5bc862b4d2d2d2814ff0bac547def58a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6835fe77a3d93e89c586e89efa0af367746f0a821e33a4e750c4d074f408714d
[INFO] running `Command { std: "docker" "start" "-a" "6835fe77a3d93e89c586e89efa0af367746f0a821e33a4e750c4d074f408714d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_epee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `EnumAccess`, `IntoDeserializer`, `VariantAccess`
[INFO] [stdout]  --> src/de.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     self, DeserializeSeed, EnumAccess, IntoDeserializer, MapAccess, SeqAccess,
[INFO] [stdout]   |                            ^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     VariantAccess, Visitor,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn deserialize_any<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:210:31
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:220:3
[INFO] [stdout]     |
[INFO] [stdout] 220 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:231:3
[INFO] [stdout]     |
[INFO] [stdout] 231 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:289:30
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn deserialize_map<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:312:3
[INFO] [stdout]     |
[INFO] [stdout] 312 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `type_code`
[INFO] [stdout]    --> src/de.rs:338:2
[INFO] [stdout]     |
[INFO] [stdout] 338 |     type_code: u8
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PORTABLE_STORAGE_SIGNATUREA`
[INFO] [stdout]  --> src/constants.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const PORTABLE_STORAGE_SIGNATUREA: u32 = 0x01011101;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PORTABLE_STORAGE_SIGNATUREB`
[INFO] [stdout]  --> src/constants.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const PORTABLE_STORAGE_SIGNATUREB: u32 = 0x01020101;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PORTABLE_STORAGE_FORMAT_VER`
[INFO] [stdout]  --> src/constants.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const PORTABLE_STORAGE_FORMAT_VER: u8 = 0x01;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_STRING_BUFFER_SIZE`
[INFO] [stdout]   --> src/constants.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const MAX_STRING_BUFFER_SIZE:usize = 4096; // In order to prevent memory allocation spam
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnumAccess`, `IntoDeserializer`, `VariantAccess`
[INFO] [stdout]  --> src/de.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     self, DeserializeSeed, EnumAccess, IntoDeserializer, MapAccess, SeqAccess,
[INFO] [stdout]   |                            ^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     VariantAccess, Visitor,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn deserialize_any<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:210:31
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:220:3
[INFO] [stdout]     |
[INFO] [stdout] 220 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:231:3
[INFO] [stdout]     |
[INFO] [stdout] 231 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:289:30
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn deserialize_map<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:312:3
[INFO] [stdout]     |
[INFO] [stdout] 312 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `type_code`
[INFO] [stdout]    --> src/de.rs:338:2
[INFO] [stdout]     |
[INFO] [stdout] 338 |     type_code: u8
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PORTABLE_STORAGE_SIGNATUREA`
[INFO] [stdout]  --> src/constants.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const PORTABLE_STORAGE_SIGNATUREA: u32 = 0x01011101;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PORTABLE_STORAGE_SIGNATUREB`
[INFO] [stdout]  --> src/constants.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const PORTABLE_STORAGE_SIGNATUREB: u32 = 0x01020101;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PORTABLE_STORAGE_FORMAT_VER`
[INFO] [stdout]  --> src/constants.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const PORTABLE_STORAGE_FORMAT_VER: u8 = 0x01;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_STRING_BUFFER_SIZE`
[INFO] [stdout]   --> src/constants.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const MAX_STRING_BUFFER_SIZE:usize = 4096; // In order to prevent memory allocation spam
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_epee-5348ab2f968bcafa)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/serde_epee-6078c85bcbceaa41)
[INFO] running `Command { std: "docker" "inspect" "6835fe77a3d93e89c586e89efa0af367746f0a821e33a4e750c4d074f408714d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6835fe77a3d93e89c586e89efa0af367746f0a821e33a4e750c4d074f408714d", kill_on_drop: false }`
[INFO] [stdout] 6835fe77a3d93e89c586e89efa0af367746f0a821e33a4e750c4d074f408714d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85cb9dac7797b12f1a5220cde9d35b95b8f5bb08865e13f4d75ddc961ea093c4
[INFO] running `Command { std: "docker" "start" "-a" "85cb9dac7797b12f1a5220cde9d35b95b8f5bb08865e13f4d75ddc961ea093c4", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `EnumAccess`, `IntoDeserializer`, `VariantAccess`
[INFO] [stderr]  --> src/de.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 |     self, DeserializeSeed, EnumAccess, IntoDeserializer, MapAccess, SeqAccess,
[INFO] [stderr]   |                            ^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 6 |     VariantAccess, Visitor,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]    --> src/de.rs:103:30
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn deserialize_any<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stderr]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]    --> src/de.rs:210:31
[INFO] [stderr]     |
[INFO] [stderr] 210 |     fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stderr]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]    --> src/de.rs:220:3
[INFO] [stderr]     |
[INFO] [stderr] 220 |         visitor: V,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]    --> src/de.rs:231:3
[INFO] [stderr]     |
[INFO] [stderr] 231 |         visitor: V,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]    --> src/de.rs:289:30
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn deserialize_map<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stderr]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]    --> src/de.rs:312:3
[INFO] [stderr]     |
[INFO] [stderr] 312 |         visitor: V,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `type_code`
[INFO] [stderr]    --> src/de.rs:338:2
[INFO] [stderr]     |
[INFO] [stderr] 338 |     type_code: u8
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PORTABLE_STORAGE_SIGNATUREA`
[INFO] [stderr]  --> src/constants.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const PORTABLE_STORAGE_SIGNATUREA: u32 = 0x01011101;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PORTABLE_STORAGE_SIGNATUREB`
[INFO] [stderr]  --> src/constants.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub const PORTABLE_STORAGE_SIGNATUREB: u32 = 0x01020101;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PORTABLE_STORAGE_FORMAT_VER`
[INFO] [stderr]  --> src/constants.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const PORTABLE_STORAGE_FORMAT_VER: u8 = 0x01;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MAX_STRING_BUFFER_SIZE`
[INFO] [stderr]   --> src/constants.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub const MAX_STRING_BUFFER_SIZE:usize = 4096; // In order to prevent memory allocation spam
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_epee` (lib) generated 12 warnings
[INFO] [stderr] warning: `serde_epee` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.68s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_epee-5348ab2f968bcafa)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/serde_epee-6078c85bcbceaa41)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests serde_epee
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85cb9dac7797b12f1a5220cde9d35b95b8f5bb08865e13f4d75ddc961ea093c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85cb9dac7797b12f1a5220cde9d35b95b8f5bb08865e13f4d75ddc961ea093c4", kill_on_drop: false }`
[INFO] [stdout] 85cb9dac7797b12f1a5220cde9d35b95b8f5bb08865e13f4d75ddc961ea093c4