[INFO] crate peroxide 0.9.0 is already in cache
[INFO] extracting crate peroxide 0.9.0 into work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/peroxide/0.9.0
[INFO] extracting crate peroxide 0.9.0 into work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/peroxide/0.9.0
[INFO] validating manifest of peroxide-0.9.0 on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of peroxide-0.9.0 on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing peroxide-0.9.0
[INFO] finished frobbing peroxide-0.9.0
[INFO] frobbed toml for peroxide-0.9.0 written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/peroxide/0.9.0/Cargo.toml
[INFO] started frobbing peroxide-0.9.0
[INFO] finished frobbing peroxide-0.9.0
[INFO] frobbed toml for peroxide-0.9.0 written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/peroxide/0.9.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking peroxide-0.9.0 against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-1/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/peroxide/0.9.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 96cee35d05fe295f26dc2cc686eabf7c2eabce3c390e2d1f95c1c5e41bb7e1b5
[INFO] running `"docker" "start" "-a" "96cee35d05fe295f26dc2cc686eabf7c2eabce3c390e2d1f95c1c5e41bb7e1b5"`
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking serde-pickle v0.4.1
[INFO] [stderr]     Checking peroxide v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/structure/matrix.rs:450:60
[INFO] [stderr]     |
[INFO] [stderr] 450 |     pub fn write(&self, file_path: &str) -> 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/structure/matrix.rs:475:80
[INFO] [stderr]     |
[INFO] [stderr] 475 |     pub fn write_round(&self, file_path: &str, round: usize) -> Result<(), 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/structure/matrix.rs:490:91
[INFO] [stderr]     |
[INFO] [stderr] 490 |     pub fn write_with_header(&self, file_path: &str, header: Vec<&str>) -> Result<(), 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/structure/matrix.rs:507:111
[INFO] [stderr]     |
[INFO] [stderr] 507 |     pub fn write_with_header_round(&self, file_path: &str, header: Vec<&str>, round: usize) -> Result<(), 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/structure/matrix.rs:544:87
[INFO] [stderr]     |
[INFO] [stderr] 544 |     pub fn read(file_path: &str, header: bool, delimiter: char) -> Result<Matrix, 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/util/pickle.rs:22:29
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut writer: Box<Write>;
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/pickle.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut writer: Box<Write>;
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/structure/matrix.rs:450:60
[INFO] [stderr]     |
[INFO] [stderr] 450 |     pub fn write(&self, file_path: &str) -> 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/structure/matrix.rs:475:80
[INFO] [stderr]     |
[INFO] [stderr] 475 |     pub fn write_round(&self, file_path: &str, round: usize) -> Result<(), 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/structure/matrix.rs:490:91
[INFO] [stderr]     |
[INFO] [stderr] 490 |     pub fn write_with_header(&self, file_path: &str, header: Vec<&str>) -> Result<(), 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/structure/matrix.rs:507:111
[INFO] [stderr]     |
[INFO] [stderr] 507 |     pub fn write_with_header_round(&self, file_path: &str, header: Vec<&str>, round: usize) -> Result<(), 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/structure/matrix.rs:544:87
[INFO] [stderr]     |
[INFO] [stderr] 544 |     pub fn read(file_path: &str, header: bool, delimiter: char) -> Result<Matrix, 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/util/pickle.rs:22:29
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut writer: Box<Write>;
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/pickle.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut writer: Box<Write>;
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.79s
[INFO] running `"docker" "inspect" "96cee35d05fe295f26dc2cc686eabf7c2eabce3c390e2d1f95c1c5e41bb7e1b5"`
[INFO] running `"docker" "rm" "-f" "96cee35d05fe295f26dc2cc686eabf7c2eabce3c390e2d1f95c1c5e41bb7e1b5"`
[INFO] [stdout] 96cee35d05fe295f26dc2cc686eabf7c2eabce3c390e2d1f95c1c5e41bb7e1b5