[INFO] fetching crate serde_traitobject 0.2.7...
[INFO] checking serde_traitobject-0.2.7 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate serde_traitobject 0.2.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde_traitobject 0.2.7 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_traitobject 0.2.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_traitobject 0.2.7
[INFO] tweaked toml for crates.io crate serde_traitobject 0.2.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded procinfo v0.4.2
[INFO] [stderr]   Downloaded palaver v0.2.8
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded relative v0.2.2
[INFO] [stderr]   Downloaded metatype v0.2.0
[INFO] [stderr]   Downloaded serde_closure_derive v0.3.2
[INFO] [stderr]   Downloaded build_id v0.2.1
[INFO] [stderr]   Downloaded serde_closure v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62778b1d266ae3e8e5a5f46389ee648795300d903f55523aa0b6ad995ef45964
[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" "62778b1d266ae3e8e5a5f46389ee648795300d903f55523aa0b6ad995ef45964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62778b1d266ae3e8e5a5f46389ee648795300d903f55523aa0b6ad995ef45964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62778b1d266ae3e8e5a5f46389ee648795300d903f55523aa0b6ad995ef45964", kill_on_drop: false }`
[INFO] [stdout] 62778b1d266ae3e8e5a5f46389ee648795300d903f55523aa0b6ad995ef45964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6399b3b565f75ce095272af46288c4d0149a872497978399e0f23961701b29c2
[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" "6399b3b565f75ce095272af46288c4d0149a872497978399e0f23961701b29c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling relative v0.2.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking metatype v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling serde_closure v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]     Checking palaver v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]    Compiling serde_closure_derive v0.3.2
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.23
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking erased-serde v0.3.13
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_traitobject v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:500:27
[INFO] [stdout]     |
[INFO] [stdout] 500 |         let deserializer = &mut erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:500:27
[INFO] [stdout]     |
[INFO] [stdout] 500 |         let deserializer = &mut erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.67s
[INFO] running `Command { std: "docker" "inspect" "6399b3b565f75ce095272af46288c4d0149a872497978399e0f23961701b29c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6399b3b565f75ce095272af46288c4d0149a872497978399e0f23961701b29c2", kill_on_drop: false }`
[INFO] [stdout] 6399b3b565f75ce095272af46288c4d0149a872497978399e0f23961701b29c2