[INFO] updating cached repository amedviediev/data-generator [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/amedviediev/data-generator [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/amedviediev/data-generator" "work/ex/beta-1.38-1/sources/1.37.0/gh/amedviediev/data-generator"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/amedviediev/data-generator'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/amedviediev/data-generator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amedviediev/data-generator"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amedviediev/data-generator'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 75dd53093a8d64d155087ad17244912d4074131b [INFO] sha for GitHub repo amedviediev/data-generator: 75dd53093a8d64d155087ad17244912d4074131b [INFO] validating manifest of amedviediev/data-generator on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of amedviediev/data-generator on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing amedviediev/data-generator [INFO] finished frobbing amedviediev/data-generator [INFO] frobbed toml for amedviediev/data-generator written to work/ex/beta-1.38-1/sources/1.37.0/gh/amedviediev/data-generator/Cargo.toml [INFO] started frobbing amedviediev/data-generator [INFO] finished frobbing amedviediev/data-generator [INFO] frobbed toml for amedviediev/data-generator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amedviediev/data-generator/Cargo.toml [INFO] crate amedviediev/data-generator already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing amedviediev/data-generator against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amedviediev/data-generator:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 1e5e6256aadbb5c01d500db9ccf257204da8ed7b9ed949eb8abbf4096df23b1a [INFO] running `"docker" "start" "-a" "1e5e6256aadbb5c01d500db9ccf257204da8ed7b9ed949eb8abbf4096df23b1a"` [INFO] [stderr] Compiling stable_deref_trait v1.0.0 [INFO] [stderr] Compiling smallvec v0.6.1 [INFO] [stderr] Compiling itoa v0.4.1 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling serde v1.0.47 [INFO] [stderr] Compiling Inflector v0.11.3 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling atty v0.2.10 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling names v0.10.0 [INFO] [stderr] Compiling syn v0.13.7 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling clap v2.31.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling parking_lot v0.5.5 [INFO] [stderr] Compiling console v0.6.1 [INFO] [stderr] Compiling indicatif v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.50 [INFO] [stderr] Compiling serde_json v1.0.17 [INFO] [stderr] Compiling chrono v0.4.2 [INFO] [stderr] Compiling data-generator v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/generator.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | let mut string = serde_json::to_string_pretty(&entry_map).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/generator.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | let mut string = serde_json::to_string(&entry_map).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | write!(file, "["); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | file.write(string.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | file.write(string.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | write!(file, ","); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | write!(file, "]"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:23:28 [INFO] [stderr] | [INFO] [stderr] 23 | fn run() -> Result<(), Box> { [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 1m 06s [INFO] running `"docker" "inspect" "1e5e6256aadbb5c01d500db9ccf257204da8ed7b9ed949eb8abbf4096df23b1a"` [INFO] running `"docker" "rm" "-f" "1e5e6256aadbb5c01d500db9ccf257204da8ed7b9ed949eb8abbf4096df23b1a"` [INFO] [stdout] 1e5e6256aadbb5c01d500db9ccf257204da8ed7b9ed949eb8abbf4096df23b1a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amedviediev/data-generator:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 759818f7a5fff4d5acc11b768016e2449dca927667aecce634df3c11837dbb84 [INFO] running `"docker" "start" "-a" "759818f7a5fff4d5acc11b768016e2449dca927667aecce634df3c11837dbb84"` [INFO] [stderr] Compiling data-generator v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:23:28 [INFO] [stderr] | [INFO] [stderr] 23 | fn run() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/generator.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | let mut string = serde_json::to_string_pretty(&entry_map).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/generator.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | let mut string = serde_json::to_string(&entry_map).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | write!(file, "["); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | file.write(string.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | file.write(string.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | write!(file, ","); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | write!(file, "]"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.84s [INFO] running `"docker" "inspect" "759818f7a5fff4d5acc11b768016e2449dca927667aecce634df3c11837dbb84"` [INFO] running `"docker" "rm" "-f" "759818f7a5fff4d5acc11b768016e2449dca927667aecce634df3c11837dbb84"` [INFO] [stdout] 759818f7a5fff4d5acc11b768016e2449dca927667aecce634df3c11837dbb84 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amedviediev/data-generator:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] d1122c5418da2cbc63ebabc254db5d847c49f67ed6956f82f293e3dc2d083fda [INFO] running `"docker" "start" "-a" "d1122c5418da2cbc63ebabc254db5d847c49f67ed6956f82f293e3dc2d083fda"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/data_generator-bbf63ef86cc0c780 [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/data_generator-67bd654517247775 [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests data_generator [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "d1122c5418da2cbc63ebabc254db5d847c49f67ed6956f82f293e3dc2d083fda"` [INFO] running `"docker" "rm" "-f" "d1122c5418da2cbc63ebabc254db5d847c49f67ed6956f82f293e3dc2d083fda"` [INFO] [stdout] d1122c5418da2cbc63ebabc254db5d847c49f67ed6956f82f293e3dc2d083fda