[INFO] fetching crate text_index 0.1.1...
[INFO] checking text_index-0.1.1 against beta for pr-78714
[INFO] extracting crate text_index 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate text_index 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate text_index 0.1.1
[INFO] finished tweaking crates.io crate text_index 0.1.1
[INFO] tweaked toml for crates.io crate text_index 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] d7696f8b23380bd40ea4ec3db9fc7231236003e7daa55d2ac4c9200cd16f9450
[INFO] running `Command { std: "docker" "start" "-a" "d7696f8b23380bd40ea4ec3db9fc7231236003e7daa55d2ac4c9200cd16f9450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7696f8b23380bd40ea4ec3db9fc7231236003e7daa55d2ac4c9200cd16f9450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7696f8b23380bd40ea4ec3db9fc7231236003e7daa55d2ac4c9200cd16f9450", kill_on_drop: false }`
[INFO] [stdout] d7696f8b23380bd40ea4ec3db9fc7231236003e7daa55d2ac4c9200cd16f9450
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19bc9c9f6061601ca9e08a63e54a043937ba80053e346711a51d8c607ed554df
[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" "19bc9c9f6061601ca9e08a63e54a043937ba80053e346711a51d8c607ed554df", kill_on_drop: false }`
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking text_index v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/csv_index.rs:161:73
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn serialize(self, mut fh: File, length: u64) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filter.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |     ) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/toc.rs:97:39
[INFO] [stdout]    |
[INFO] [stdout] 97 |     ) -> Result<Vec<CsvIndex<R>>, Box<Error>> {
[INFO] [stdout]    |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/toc.rs:159:56
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn open(fh: &mut File) -> Result<TypedToc, Box<Error>> {
[INFO] [stdout]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/toc.rs:172:80
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn write_head(&self, mut fh: &mut File, length: u64) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/csv_index.rs:161:73
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn serialize(self, mut fh: File, length: u64) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filter.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |     ) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/toc.rs:97:39
[INFO] [stdout]    |
[INFO] [stdout] 97 |     ) -> Result<Vec<CsvIndex<R>>, Box<Error>> {
[INFO] [stdout]    |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/toc.rs:159:56
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn open(fh: &mut File) -> Result<TypedToc, Box<Error>> {
[INFO] [stdout]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/toc.rs:172:80
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn write_head(&self, mut fh: &mut File, length: u64) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "19bc9c9f6061601ca9e08a63e54a043937ba80053e346711a51d8c607ed554df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19bc9c9f6061601ca9e08a63e54a043937ba80053e346711a51d8c607ed554df", kill_on_drop: false }`
[INFO] [stdout] 19bc9c9f6061601ca9e08a63e54a043937ba80053e346711a51d8c607ed554df