[INFO] fetching crate serde_traitobject 0.2.7... [INFO] checking serde_traitobject-0.2.7 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] extracting crate serde_traitobject 0.2.7 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate serde_traitobject 0.2.7 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded metatype v0.2.0 [INFO] [stderr] Downloaded relative v0.2.2 [INFO] [stderr] Downloaded palaver v0.2.8 [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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ce93048270926bb9a644f55f94b9d4cd940e60ba31a44c3a5c89438a323a2ca [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" "4ce93048270926bb9a644f55f94b9d4cd940e60ba31a44c3a5c89438a323a2ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ce93048270926bb9a644f55f94b9d4cd940e60ba31a44c3a5c89438a323a2ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ce93048270926bb9a644f55f94b9d4cd940e60ba31a44c3a5c89438a323a2ca", kill_on_drop: false }` [INFO] [stdout] 4ce93048270926bb9a644f55f94b9d4cd940e60ba31a44c3a5c89438a323a2ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0c8f1c5985414c44f459facdb9de75377e71e0d2fda3a9065122e69f487ecfa [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" "c0c8f1c5985414c44f459facdb9de75377e71e0d2fda3a9065122e69f487ecfa", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.74 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bumpalo v3.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling wasm-bindgen v0.2.74 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Compiling rustversion v1.0.5 [INFO] [stderr] Compiling build_id v0.2.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling relative v0.2.2 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling erased-serde v0.3.15 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking metatype v0.2.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Checking twox-hash v1.6.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.24 [INFO] [stderr] Compiling serde_closure v0.3.2 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.74 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.74 [INFO] [stderr] Checking palaver v0.2.8 [INFO] [stderr] Compiling serde_closure_derive v0.3.2 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.74 [INFO] [stderr] Checking js-sys v0.3.51 [INFO] [stderr] Checking console_error_panic_hook v0.1.6 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.24 [INFO] [stderr] Checking wasm-bindgen-test v0.3.24 [INFO] [stderr] Checking uuid v0.8.2 [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`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.56s [INFO] running `Command { std: "docker" "inspect" "c0c8f1c5985414c44f459facdb9de75377e71e0d2fda3a9065122e69f487ecfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0c8f1c5985414c44f459facdb9de75377e71e0d2fda3a9065122e69f487ecfa", kill_on_drop: false }` [INFO] [stdout] c0c8f1c5985414c44f459facdb9de75377e71e0d2fda3a9065122e69f487ecfa