[INFO] updating cached repository https://github.com/cthwaite/vecdump
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0887a6b2ce5a63173e5e6c015fbb5c70b0c89eaf
[INFO] checking cthwaite/vecdump against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcthwaite%2Fvecdump" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cthwaite/vecdump on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cthwaite/vecdump
[INFO] finished tweaking git repo https://github.com/cthwaite/vecdump
[INFO] tweaked toml for git repo https://github.com/cthwaite/vecdump written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/cthwaite/vecdump already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7d897123946d2c6fa81d4e0ad7344775cac2f3f4eb39aaf74caaccf0629afd62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7d897123946d2c6fa81d4e0ad7344775cac2f3f4eb39aaf74caaccf0629afd62"`
[INFO] [stderr]     Checking stackvector v1.0.2
[INFO] [stderr]     Checking bincode v1.1.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking lexical-core v0.4.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking lexical v2.1.0
[INFO] [stderr]     Checking vecdump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/word2vec.rs:23:45
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn load(path: &str) -> Result<Self, Box<Error>>;
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/word2vec.rs:42:84
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn load_from<P: AsRef<Path>>(idx_file: P, vec_file: P) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/word2vec.rs:68:45
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn load(path: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/word2vec.rs:95:90
[INFO] [stderr]    |
[INFO] [stderr] 95 | fn parse_header_from_lines<B: BufRead>(lines: &mut Lines<B>) -> Result<Word2VecMeta, Box<Error>> {
[INFO] [stderr]    |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/word2vec.rs:112:46
[INFO] [stderr]     |
[INFO] [stderr] 112 | ) -> Result<(Word2VecMeta, Vec<String>), Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/word2vec.rs:122:46
[INFO] [stderr]     |
[INFO] [stderr] 122 | ) -> Result<(Word2VecMeta, Vec<String>), Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/word2vec.rs:140:86
[INFO] [stderr]     |
[INFO] [stderr] 140 | pub fn serialize_to_store<P: AsRef<Path>>(path: P) -> Result<(PathBuf, PathBuf), Box<Error>> {
[INFO] [stderr]     |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/word2vec.rs:23:45
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn load(path: &str) -> Result<Self, Box<Error>>;
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/word2vec.rs:42:84
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn load_from<P: AsRef<Path>>(idx_file: P, vec_file: P) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/word2vec.rs:68:45
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn load(path: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/word2vec.rs:95:90
[INFO] [stderr]    |
[INFO] [stderr] 95 | fn parse_header_from_lines<B: BufRead>(lines: &mut Lines<B>) -> Result<Word2VecMeta, Box<Error>> {
[INFO] [stderr]    |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/word2vec.rs:112:46
[INFO] [stderr]     |
[INFO] [stderr] 112 | ) -> Result<(Word2VecMeta, Vec<String>), Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/word2vec.rs:122:46
[INFO] [stderr]     |
[INFO] [stderr] 122 | ) -> Result<(Word2VecMeta, Vec<String>), Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/word2vec.rs:140:86
[INFO] [stderr]     |
[INFO] [stderr] 140 | pub fn serialize_to_store<P: AsRef<Path>>(path: P) -> Result<(PathBuf, PathBuf), Box<Error>> {
[INFO] [stderr]     |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/dump.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/dump.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.49s
[INFO] running `"docker" "inspect" "7d897123946d2c6fa81d4e0ad7344775cac2f3f4eb39aaf74caaccf0629afd62"`
[INFO] running `"docker" "rm" "-f" "7d897123946d2c6fa81d4e0ad7344775cac2f3f4eb39aaf74caaccf0629afd62"`
[INFO] [stdout] 7d897123946d2c6fa81d4e0ad7344775cac2f3f4eb39aaf74caaccf0629afd62