[INFO] fetching crate kmip-ttlv 0.3.5...
[INFO] checking kmip-ttlv-0.3.5 against 1.95.0 for pr-155915
[INFO] extracting crate kmip-ttlv 0.3.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate kmip-ttlv 0.3.5
[INFO] finished tweaking crates.io crate kmip-ttlv 0.3.5
[INFO] tweaked toml for crates.io crate kmip-ttlv 0.3.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kmip-ttlv 0.3.5 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kmip-ttlv 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trait-set v0.2.0
[INFO] [stderr]   Downloaded futures-channel v0.3.25
[INFO] [stderr]   Downloaded serde_bytes v0.11.8
[INFO] [stderr]   Downloaded async-channel v1.8.0
[INFO] [stderr]   Downloaded maybe-async v0.2.6
[INFO] [stderr]   Downloaded async-executor v1.5.0
[INFO] [stderr]   Downloaded atomic-waker v1.1.0
[INFO] [stderr]   Downloaded async-global-executor v2.3.1
[INFO] [stderr]   Downloaded parking_lot_core v0.9.6
[INFO] [stderr]   Downloaded blocking v1.3.0
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded concurrent-queue v2.1.0
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded async-lock v2.6.0
[INFO] [stderr]   Downloaded async-std v1.12.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b0877a0bf21972b2a67e3f9e65cd89244909f785faa7c4263861eaa5b2b7626
[INFO] running `Command { std: "docker" "start" "-a" "4b0877a0bf21972b2a67e3f9e65cd89244909f785faa7c4263861eaa5b2b7626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b0877a0bf21972b2a67e3f9e65cd89244909f785faa7c4263861eaa5b2b7626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0877a0bf21972b2a67e3f9e65cd89244909f785faa7c4263861eaa5b2b7626", kill_on_drop: false }`
[INFO] [stdout] 4b0877a0bf21972b2a67e3f9e65cd89244909f785faa7c4263861eaa5b2b7626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 836475761a90fe75842be7c39884d80aae76623740cff17ea70daf72e2506e4b
[INFO] running `Command { std: "docker" "start" "-a" "836475761a90fe75842be7c39884d80aae76623740cff17ea70daf72e2506e4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling kmip-ttlv v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking serde_bytes v0.11.8
[INFO] [stderr]    Compiling trait-set v0.2.0
[INFO] [stderr]    Compiling maybe-async v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/de.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn read_buf(&self) -> Option<RefMut<Vec<u8>>> {
[INFO] [stdout]    |                     ^^^^^            ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn read_buf(&self) -> Option<RefMut<'_, Vec<u8>>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]    --> src/tests/de.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |     struct MissingFieldRoot {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 365 |         #[serde(rename = "0xBBBBBB")]
[INFO] [stdout] 366 |         a: i32, // field b is missing
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MissingFieldRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]    --> src/tests/de.rs:381:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |     struct IgnoredMissingFieldRoot {
[INFO] [stdout]     |            ----------------------- field in this struct
[INFO] [stdout] 380 |         #[serde(rename = "0xBBBBBB")]
[INFO] [stdout] 381 |         a: i32, // field b is missing
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IgnoredMissingFieldRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]    --> src/tests/de.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |     struct ExtraFieldRoot {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 389 |         #[serde(rename = "0xBBBBBB")]
[INFO] [stdout] 390 |         a: i32,
[INFO] [stdout]     |         ^
[INFO] [stdout] 391 |         #[serde(rename = "0xCCCCCC")]
[INFO] [stdout] 392 |         b: i32,
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 395 |         c: i32,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExtraFieldRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tests/fixtures/kmip_10_create_destroy_use_case.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Other(SomeOtherResponsePayload),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResponsePayload` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     Other(SomeOtherResponsePayload),
[INFO] [stdout] 63 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dummy_field` is never read
[INFO] [stdout]   --> src/tests/fixtures/kmip_10_create_destroy_use_case.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct SomeOtherResponsePayload {
[INFO] [stdout]    |                   ------------------------ field in this struct
[INFO] [stdout] 77 |     dummy_field: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SomeOtherResponsePayload` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/tests/fixtures/malformed_ttlv.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub(crate) struct RootType {
[INFO] [stdout]    |                   -------- fields in this struct
[INFO] [stdout]  8 |     #[serde(rename = "0xBBBBBB")]
[INFO] [stdout]  9 |     pub a: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout] 10 |     #[serde(rename = "0xCCCCCC")]
[INFO] [stdout] 11 |     pub b: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RootType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ByteStringRootType` is never constructed
[INFO] [stdout]   --> src/tests/fixtures/malformed_ttlv.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct ByteStringRootType {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]  --> src/tests/fixtures/simple.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) struct RootType {
[INFO] [stdout]   |                   -------- fields in this struct
[INFO] [stdout] 6 |     #[serde(rename = "0xBBBBBB")]
[INFO] [stdout] 7 |     a: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 8 |     #[serde(rename = "0xCCCCCC")]
[INFO] [stdout] 9 |     b: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RootType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/de.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn read_buf(&self) -> Option<RefMut<Vec<u8>>> {
[INFO] [stdout]    |                     ^^^^^            ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn read_buf(&self) -> Option<RefMut<'_, Vec<u8>>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.18s
[INFO] running `Command { std: "docker" "inspect" "836475761a90fe75842be7c39884d80aae76623740cff17ea70daf72e2506e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836475761a90fe75842be7c39884d80aae76623740cff17ea70daf72e2506e4b", kill_on_drop: false }`
[INFO] [stdout] 836475761a90fe75842be7c39884d80aae76623740cff17ea70daf72e2506e4b
