[INFO] cloning repository https://github.com/hamadatakaki/giraffe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hamadatakaki/giraffe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamadatakaki%2Fgiraffe"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamadatakaki%2Fgiraffe'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9e11b6484ebbf30f0be8691543ffb3f28ba6df1d
[INFO] checking hamadatakaki/giraffe against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamadatakaki%2Fgiraffe" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hamadatakaki/giraffe on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hamadatakaki/giraffe
[INFO] finished tweaking git repo https://github.com/hamadatakaki/giraffe
[INFO] tweaked toml for git repo https://github.com/hamadatakaki/giraffe written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hamadatakaki/giraffe already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f89e4e7eeb91bf7fef5edd0eec7235a190e3a63715a7b29e1ca81c16c4352e20
[INFO] running `"docker" "start" "-a" "f89e4e7eeb91bf7fef5edd0eec7235a190e3a63715a7b29e1ca81c16c4352e20"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking libflate v0.1.25
[INFO] [stderr]     Checking giraffe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/git_command.rs:9:47
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn cat_file(path: &str) -> Result<(), Box<std::error::Error>> { 
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/git_command.rs:15:55
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn cat_file_verbose(path: &str) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/git_command.rs:21:47
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn ls_files(path: &str) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/git_command.rs:27:53
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn ls_files_stage(path: &str) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/for_git/objects/compressed.rs:18:66
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/for_git/objects/index.rs:27:66
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/for_git/objects/index.rs:93:64
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn analyze_header(header: &[u8]) -> Result<(u32, u32), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/utils.rs:6:57
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn read_file_all(path: &str) -> Result<Vec<u8>, Box<std::error::Error>> {
[INFO] [stderr]   |                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:14:68
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn decompress_zlib(compressed: Vec<u8>) -> Result<Vec<u8>, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/git_command.rs:9:47
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn cat_file(path: &str) -> Result<(), Box<std::error::Error>> { 
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/git_command.rs:15:55
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn cat_file_verbose(path: &str) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/git_command.rs:21:47
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn ls_files(path: &str) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/git_command.rs:27:53
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn ls_files_stage(path: &str) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/for_git/objects/compressed.rs:18:66
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/for_git/objects/index.rs:27:66
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/for_git/objects/index.rs:93:64
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn analyze_header(header: &[u8]) -> Result<(u32, u32), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/utils.rs:6:57
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn read_file_all(path: &str) -> Result<Vec<u8>, Box<std::error::Error>> {
[INFO] [stderr]   |                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:14:68
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn decompress_zlib(compressed: Vec<u8>) -> Result<Vec<u8>, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/main.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `"docker" "inspect" "f89e4e7eeb91bf7fef5edd0eec7235a190e3a63715a7b29e1ca81c16c4352e20"`
[INFO] running `"docker" "rm" "-f" "f89e4e7eeb91bf7fef5edd0eec7235a190e3a63715a7b29e1ca81c16c4352e20"`
[INFO] [stdout] f89e4e7eeb91bf7fef5edd0eec7235a190e3a63715a7b29e1ca81c16c4352e20