[INFO] fetching crate serde-value 0.7.0...
[INFO] testing serde-value-0.7.0 against try#981ca440e18f6cc4bc9026d4be8ddb1ca8378af7 for pr-145277
[INFO] extracting crate serde-value 0.7.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serde-value 0.7.0
[INFO] finished tweaking crates.io crate serde-value 0.7.0
[INFO] tweaked toml for crates.io crate serde-value 0.7.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-value 0.7.0 on toolchain 981ca440e18f6cc4bc9026d4be8ddb1ca8378af7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding ordered-float v2.10.1 (available: v5.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77258ff1679777b6b39d760ebe18398e5601b647c4a3dce6fc24a9c8e657374b
[INFO] running `Command { std: "docker" "start" "-a" "77258ff1679777b6b39d760ebe18398e5601b647c4a3dce6fc24a9c8e657374b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77258ff1679777b6b39d760ebe18398e5601b647c4a3dce6fc24a9c8e657374b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77258ff1679777b6b39d760ebe18398e5601b647c4a3dce6fc24a9c8e657374b", kill_on_drop: false }`
[INFO] [stdout] 77258ff1679777b6b39d760ebe18398e5601b647c4a3dce6fc24a9c8e657374b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b21f5ecf9cea6d9f4430588f9c1d772cb953d4dd7cb74adab1e4a38b7d2daf55
[INFO] running `Command { std: "docker" "start" "-a" "b21f5ecf9cea6d9f4430588f9c1d772cb953d4dd7cb74adab1e4a38b7d2daf55", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling serde-value v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn unexpected(&self) -> serde::de::Unexpected {
[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] 152 |     fn unexpected(&self) -> serde::de::Unexpected<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `Command { std: "docker" "inspect" "b21f5ecf9cea6d9f4430588f9c1d772cb953d4dd7cb74adab1e4a38b7d2daf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21f5ecf9cea6d9f4430588f9c1d772cb953d4dd7cb74adab1e4a38b7d2daf55", kill_on_drop: false }`
[INFO] [stdout] b21f5ecf9cea6d9f4430588f9c1d772cb953d4dd7cb74adab1e4a38b7d2daf55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3343fd5a6555f4005868f77d1035f9df2e1e3a1a7bec46942d6bfc0b8f23cd2d
[INFO] running `Command { std: "docker" "start" "-a" "3343fd5a6555f4005868f77d1035f9df2e1e3a1a7bec46942d6bfc0b8f23cd2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn unexpected(&self) -> serde::de::Unexpected {
[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] 152 |     fn unexpected(&self) -> serde::de::Unexpected<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde-value v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn unexpected(&self) -> serde::de::Unexpected {
[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] 152 |     fn unexpected(&self) -> serde::de::Unexpected<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "3343fd5a6555f4005868f77d1035f9df2e1e3a1a7bec46942d6bfc0b8f23cd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3343fd5a6555f4005868f77d1035f9df2e1e3a1a7bec46942d6bfc0b8f23cd2d", kill_on_drop: false }`
[INFO] [stdout] 3343fd5a6555f4005868f77d1035f9df2e1e3a1a7bec46942d6bfc0b8f23cd2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+981ca440e18f6cc4bc9026d4be8ddb1ca8378af7" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b69c6538c0e431058e7a2f70ec2599add1e134cdc072e33e8ffa94ac29159b2c
[INFO] running `Command { std: "docker" "start" "-a" "b69c6538c0e431058e7a2f70ec2599add1e134cdc072e33e8ffa94ac29159b2c", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:152:19
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn unexpected(&self) -> serde::de::Unexpected {
[INFO] [stderr]     |                   ^^^^^     --------------------- the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn unexpected(&self) -> serde::de::Unexpected<'_> {
[INFO] [stderr]     |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-value` (lib) generated 1 warning (run `cargo fix --lib -p serde-value` to apply 1 suggestion)
[INFO] [stderr] warning: `serde-value` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_value-99b1fbae5bad83f5)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test deserialize_into_enum ... ok
[INFO] [stdout] test de_smoke_test ... ok
[INFO] [stdout] test deserialize_inside_deserialize_impl ... ok
[INFO] [stdout] test deserialize_newtype ... ok
[INFO] [stdout] test serialize_from_enum ... ok
[INFO] [stdout] test deserialize_newtype2 ... ok
[INFO] [stdout] test ser_smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests serde_value
[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" "b69c6538c0e431058e7a2f70ec2599add1e134cdc072e33e8ffa94ac29159b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69c6538c0e431058e7a2f70ec2599add1e134cdc072e33e8ffa94ac29159b2c", kill_on_drop: false }`
[INFO] [stdout] b69c6538c0e431058e7a2f70ec2599add1e134cdc072e33e8ffa94ac29159b2c