[INFO] fetching crate git-historian 0.4.0...
[INFO] testing git-historian-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate git-historian 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate git-historian 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git-historian 0.4.0
[INFO] finished tweaking crates.io crate git-historian 0.4.0
[INFO] tweaked toml for crates.io crate git-historian 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b30fcae69dfd4893de4bd2c38884aaa0258725fc2442b79be3a9c4351851828
[INFO] running `Command { std: "docker" "start" "-a" "7b30fcae69dfd4893de4bd2c38884aaa0258725fc2442b79be3a9c4351851828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b30fcae69dfd4893de4bd2c38884aaa0258725fc2442b79be3a9c4351851828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b30fcae69dfd4893de4bd2c38884aaa0258725fc2442b79be3a9c4351851828", kill_on_drop: false }`
[INFO] [stdout] 7b30fcae69dfd4893de4bd2c38884aaa0258725fc2442b79be3a9c4351851828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd5e9f472dc7635b55f7310b02a18a71afd84d33b0091bdf86968a7219947765
[INFO] running `Command { std: "docker" "start" "-a" "fd5e9f472dc7635b55f7310b02a18a71afd84d33b0091bdf86968a7219947765", kill_on_drop: false }`
[INFO] [stderr]    Compiling git-historian v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |         self.description().fmt(f)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |         self.description().fmt(f)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "fd5e9f472dc7635b55f7310b02a18a71afd84d33b0091bdf86968a7219947765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5e9f472dc7635b55f7310b02a18a71afd84d33b0091bdf86968a7219947765", kill_on_drop: false }`
[INFO] [stdout] fd5e9f472dc7635b55f7310b02a18a71afd84d33b0091bdf86968a7219947765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d961fb2caa2848ee987b513010b346e1c1f94f2be705c86e4d276e15c768d267
[INFO] running `Command { std: "docker" "start" "-a" "d961fb2caa2848ee987b513010b346e1c1f94f2be705c86e4d276e15c768d267", kill_on_drop: false }`
[INFO] [stderr]    Compiling git-historian v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |         self.description().fmt(f)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |         self.description().fmt(f)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |         self.description().fmt(f)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "d961fb2caa2848ee987b513010b346e1c1f94f2be705c86e4d276e15c768d267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d961fb2caa2848ee987b513010b346e1c1f94f2be705c86e4d276e15c768d267", kill_on_drop: false }`
[INFO] [stdout] d961fb2caa2848ee987b513010b346e1c1f94f2be705c86e4d276e15c768d267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6af8b53d754e86004ae2182c551f20f1f9ba0e2ff1536d204b33c58ec3d26b97
[INFO] running `Command { std: "docker" "start" "-a" "6af8b53d754e86004ae2182c551f20f1f9ba0e2ff1536d204b33c58ec3d26b97", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:62:14
[INFO] [stderr]    |
[INFO] [stderr] 62 |         self.description().fmt(f)
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `git-historian` (lib) generated 1 warning
[INFO] [stderr] warning: `git-historian` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `git-historian` (bin "git-historian" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_historian-af6ace614873cf4d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_historian-500cec30aa3400a7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests git-historian
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6af8b53d754e86004ae2182c551f20f1f9ba0e2ff1536d204b33c58ec3d26b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af8b53d754e86004ae2182c551f20f1f9ba0e2ff1536d204b33c58ec3d26b97", kill_on_drop: false }`
[INFO] [stdout] 6af8b53d754e86004ae2182c551f20f1f9ba0e2ff1536d204b33c58ec3d26b97