[INFO] fetching crate serde_eetf 0.2.0... [INFO] checking serde_eetf-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate serde_eetf 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate serde_eetf 0.2.0 [INFO] finished tweaking crates.io crate serde_eetf 0.2.0 [INFO] tweaked toml for crates.io crate serde_eetf 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate serde_eetf 0.2.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 24 packages to latest compatible versions [INFO] [stderr] Adding eetf v0.4.0 (available: v0.10.0) [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding num-bigint v0.2.6 (available: v0.4.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded eetf v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb83c6d5c1e589e3bdbba4504015794cb2ae3ecee7f137c88d0bb8f0fcf8acf0 [INFO] running `Command { std: "docker" "start" "-a" "bb83c6d5c1e589e3bdbba4504015794cb2ae3ecee7f137c88d0bb8f0fcf8acf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb83c6d5c1e589e3bdbba4504015794cb2ae3ecee7f137c88d0bb8f0fcf8acf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb83c6d5c1e589e3bdbba4504015794cb2ae3ecee7f137c88d0bb8f0fcf8acf0", kill_on_drop: false }` [INFO] [stdout] bb83c6d5c1e589e3bdbba4504015794cb2ae3ecee7f137c88d0bb8f0fcf8acf0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d29f631860d63835d2d94a57fe38afa0c7cc91a2e4491d481377844b7a48fcd [INFO] running `Command { std: "docker" "start" "-a" "7d29f631860d63835d2d94a57fe38afa0c7cc91a2e4491d481377844b7a48fcd", kill_on_drop: false }` [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking crc32fast v1.5.0 [INFO] [stderr] Checking rle-decode-fast v1.0.3 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Checking libflate v0.1.27 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking heck v0.3.3 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking eetf v0.4.0 [INFO] [stderr] Checking serde_eetf v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:53:48 [INFO] [stdout] | [INFO] [stdout] 53 | formatter.write_str(std::error::Error::description(self)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:89:38 [INFO] [stdout] | [INFO] [stdout] 89 | self::Error::DecodeError(err.description().to_string()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/de.rs:33:26 [INFO] [stdout] | [INFO] [stdout] 33 | fn into_deserializer(&self) -> Deserializer; [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] 33 | fn into_deserializer(&self) -> Deserializer<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/de.rs:37:26 [INFO] [stdout] | [INFO] [stdout] 37 | fn into_deserializer(&self) -> Deserializer { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 37 | fn into_deserializer(&self) -> Deserializer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/de.rs:790:10 [INFO] [stdout] | [INFO] [stdout] 790 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/de.rs:804:10 [INFO] [stdout] | [INFO] [stdout] 804 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/de.rs:821:10 [INFO] [stdout] | [INFO] [stdout] 821 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/ser.rs:568:10 [INFO] [stdout] | [INFO] [stdout] 568 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/ser.rs:582:10 [INFO] [stdout] | [INFO] [stdout] 582 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/ser.rs:602:10 [INFO] [stdout] | [INFO] [stdout] 602 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:53:48 [INFO] [stdout] | [INFO] [stdout] 53 | formatter.write_str(std::error::Error::description(self)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:89:38 [INFO] [stdout] | [INFO] [stdout] 89 | self::Error::DecodeError(err.description().to_string()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `AnotherOption` is never constructed [INFO] [stdout] --> src/ser.rs:567:13 [INFO] [stdout] | [INFO] [stdout] 565 | enum E { [INFO] [stdout] | - variant in this enum [INFO] [stdout] 566 | AnOption, [INFO] [stdout] 567 | AnotherOption, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/de.rs:33:26 [INFO] [stdout] | [INFO] [stdout] 33 | fn into_deserializer(&self) -> Deserializer; [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] 33 | fn into_deserializer(&self) -> Deserializer<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/de.rs:37:26 [INFO] [stdout] | [INFO] [stdout] 37 | fn into_deserializer(&self) -> Deserializer { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 37 | fn into_deserializer(&self) -> Deserializer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.70s [INFO] running `Command { std: "docker" "inspect" "7d29f631860d63835d2d94a57fe38afa0c7cc91a2e4491d481377844b7a48fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d29f631860d63835d2d94a57fe38afa0c7cc91a2e4491d481377844b7a48fcd", kill_on_drop: false }` [INFO] [stdout] 7d29f631860d63835d2d94a57fe38afa0c7cc91a2e4491d481377844b7a48fcd