[INFO] fetching crate xml_sax 0.0.3...
[INFO] checking xml_sax-0.0.3 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate xml_sax 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xml_sax 0.0.3 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xml_sax 0.0.3
[INFO] finished tweaking crates.io crate xml_sax 0.0.3
[INFO] tweaked toml for crates.io crate xml_sax 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00d4aa2fc23fe21d4075e40c52eac26d8ef436a0d3c8bf7ec030abbdfafe496d
[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" "00d4aa2fc23fe21d4075e40c52eac26d8ef436a0d3c8bf7ec030abbdfafe496d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00d4aa2fc23fe21d4075e40c52eac26d8ef436a0d3c8bf7ec030abbdfafe496d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d4aa2fc23fe21d4075e40c52eac26d8ef436a0d3c8bf7ec030abbdfafe496d", kill_on_drop: false }`
[INFO] [stdout] 00d4aa2fc23fe21d4075e40c52eac26d8ef436a0d3c8bf7ec030abbdfafe496d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8a9eaf9528193c902aa00e38b1734820713da3769f92e18c86defb8f2f2d30f
[INFO] running `Command { std: "docker" "start" "-a" "c8a9eaf9528193c902aa00e38b1734820713da3769f92e18c86defb8f2f2d30f", kill_on_drop: false }`
[INFO] [stderr]     Checking xml_sax v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn iter(&self) -> Box<Iterator<Item = Box<SAXAttribute>>>;
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Box<SAXAttribute>>`
[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 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:4:47
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn iter(&self) -> Box<Iterator<Item = Box<SAXAttribute>>>;
[INFO] [stdout]   |                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn SAXAttribute`
[INFO] [stdout]   |
[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 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:8:56
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn get_by_index(&self, index: usize) -> Option<Box<SAXAttribute>>;
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn SAXAttribute`
[INFO] [stdout]   |
[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 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |         attributes: &SAXAttributes,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn SAXAttributes`
[INFO] [stdout]    |
[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 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn iter(&self) -> Box<Iterator<Item = Box<SAXAttribute>>>;
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Box<SAXAttribute>>`
[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 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:4:47
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn iter(&self) -> Box<Iterator<Item = Box<SAXAttribute>>>;
[INFO] [stdout]   |                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn SAXAttribute`
[INFO] [stdout]   |
[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 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:8:56
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn get_by_index(&self, index: usize) -> Option<Box<SAXAttribute>>;
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn SAXAttribute`
[INFO] [stdout]   |
[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 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |         attributes: &SAXAttributes,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn SAXAttributes`
[INFO] [stdout]    |
[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 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "c8a9eaf9528193c902aa00e38b1734820713da3769f92e18c86defb8f2f2d30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a9eaf9528193c902aa00e38b1734820713da3769f92e18c86defb8f2f2d30f", kill_on_drop: false }`
[INFO] [stdout] c8a9eaf9528193c902aa00e38b1734820713da3769f92e18c86defb8f2f2d30f