[INFO] updating cached repository https://github.com/emgyrz/tagger
[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] d26e330c3d52321f4a1d8cc34c298253b45ce40f
[INFO] testing emgyrz/tagger against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femgyrz%2Ftagger" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emgyrz/tagger on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/emgyrz/tagger
[INFO] finished tweaking git repo https://github.com/emgyrz/tagger
[INFO] tweaked toml for git repo https://github.com/emgyrz/tagger written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/emgyrz/tagger already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a50ccf8f525eccf7c26dd1f02878a504afc89d6239cf4709daefc4d0ae7a822
[INFO] running `"docker" "start" "-a" "2a50ccf8f525eccf7c26dd1f02878a504afc89d6239cf4709daefc4d0ae7a822"`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.8.0
[INFO] [stderr]    Compiling dirs v2.0.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling git2 v0.9.0
[INFO] [stderr]    Compiling tagger v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn parse_args() -> Result<Args, 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:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/cfg.rs:60:37
[INFO] [stderr]    |
[INFO] [stderr] 60 |       return Err(TaggerError::new(e.description()));
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/cfg.rs:68:37
[INFO] [stderr]    |
[INFO] [stderr] 68 |       return Err(TaggerError::new(e.description()));
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/exec.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |     Err(e) => Err(TaggerError::new(e.description())),
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `"docker" "inspect" "2a50ccf8f525eccf7c26dd1f02878a504afc89d6239cf4709daefc4d0ae7a822"`
[INFO] running `"docker" "rm" "-f" "2a50ccf8f525eccf7c26dd1f02878a504afc89d6239cf4709daefc4d0ae7a822"`
[INFO] [stdout] 2a50ccf8f525eccf7c26dd1f02878a504afc89d6239cf4709daefc4d0ae7a822
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb1eb3220a432c987902d197e888c367d019330de164f657d4edd3c1d0fb2f7b
[INFO] running `"docker" "start" "-a" "bb1eb3220a432c987902d197e888c367d019330de164f657d4edd3c1d0fb2f7b"`
[INFO] [stderr]    Compiling tagger v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn parse_args() -> Result<Args, 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:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/cfg.rs:60:37
[INFO] [stderr]    |
[INFO] [stderr] 60 |       return Err(TaggerError::new(e.description()));
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/cfg.rs:68:37
[INFO] [stderr]    |
[INFO] [stderr] 68 |       return Err(TaggerError::new(e.description()));
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/exec.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |     Err(e) => Err(TaggerError::new(e.description())),
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "bb1eb3220a432c987902d197e888c367d019330de164f657d4edd3c1d0fb2f7b"`
[INFO] running `"docker" "rm" "-f" "bb1eb3220a432c987902d197e888c367d019330de164f657d4edd3c1d0fb2f7b"`
[INFO] [stdout] bb1eb3220a432c987902d197e888c367d019330de164f657d4edd3c1d0fb2f7b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ecf3397522c01aa3e19582218f9bc377306316bfe47df13033585a01ac76cc5
[INFO] running `"docker" "start" "-a" "0ecf3397522c01aa3e19582218f9bc377306316bfe47df13033585a01ac76cc5"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn parse_args() -> Result<Args, 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:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/cfg.rs:60:37
[INFO] [stderr]    |
[INFO] [stderr] 60 |       return Err(TaggerError::new(e.description()));
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/cfg.rs:68:37
[INFO] [stderr]    |
[INFO] [stderr] 68 |       return Err(TaggerError::new(e.description()));
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/exec.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |     Err(e) => Err(TaggerError::new(e.description())),
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tagger-7f56a60768d986c7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0ecf3397522c01aa3e19582218f9bc377306316bfe47df13033585a01ac76cc5"`
[INFO] running `"docker" "rm" "-f" "0ecf3397522c01aa3e19582218f9bc377306316bfe47df13033585a01ac76cc5"`
[INFO] [stdout] 0ecf3397522c01aa3e19582218f9bc377306316bfe47df13033585a01ac76cc5