[INFO] cloning repository https://github.com/amedviediev/data-generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amedviediev/data-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedviediev%2Fdata-generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedviediev%2Fdata-generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75dd53093a8d64d155087ad17244912d4074131b [INFO] testing amedviediev/data-generator against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedviediev%2Fdata-generator" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amedviediev/data-generator on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-12/source/.cargo/config [INFO] started tweaking git repo https://github.com/amedviediev/data-generator [INFO] finished tweaking git repo https://github.com/amedviediev/data-generator [INFO] tweaked toml for git repo https://github.com/amedviediev/data-generator written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/amedviediev/data-generator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ucd-util v0.1.1 [INFO] [stderr] Downloaded vec_map v0.8.0 [INFO] [stderr] Downloaded unicode-width v0.1.4 [INFO] [stderr] Downloaded stable_deref_trait v1.0.0 [INFO] [stderr] Downloaded serde_json v1.0.17 [INFO] [stderr] Downloaded console v0.6.1 [INFO] [stderr] Downloaded time v0.1.39 [INFO] [stderr] Downloaded atty v0.2.10 [INFO] [stderr] Downloaded dtoa v0.4.2 [INFO] [stderr] Downloaded itoa v0.4.1 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded syn v0.13.7 [INFO] [stderr] Downloaded chrono v0.4.2 [INFO] [stderr] Downloaded smallvec v0.6.1 [INFO] [stderr] Downloaded serde_derive v1.0.50 [INFO] [stderr] Downloaded clap v2.31.2 [INFO] [stderr] Downloaded termios v0.2.2 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded clicolors-control v0.2.0 [INFO] [stderr] Downloaded serde v1.0.47 [INFO] [stderr] Downloaded rand v0.3.22 [INFO] [stderr] Downloaded names v0.10.0 [INFO] [stderr] Downloaded Inflector v0.11.3 [INFO] [stderr] Downloaded indicatif v0.9.0 [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d81182c481d7d865b22ffa38fea05d1dc4ad321a2f442d37b19fb40b02723060 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d81182c481d7d865b22ffa38fea05d1dc4ad321a2f442d37b19fb40b02723060", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d81182c481d7d865b22ffa38fea05d1dc4ad321a2f442d37b19fb40b02723060", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d81182c481d7d865b22ffa38fea05d1dc4ad321a2f442d37b19fb40b02723060", kill_on_drop: false }` [INFO] [stdout] d81182c481d7d865b22ffa38fea05d1dc4ad321a2f442d37b19fb40b02723060 [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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c85b95116d033377c2bbcbe7ca24c2fde95933d3f10f402932fe4727b104702 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3c85b95116d033377c2bbcbe7ca24c2fde95933d3f10f402932fe4727b104702", kill_on_drop: false }` [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling stable_deref_trait v1.0.0 [INFO] [stderr] Compiling smallvec v0.6.1 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling serde v1.0.47 [INFO] [stderr] Compiling Inflector v0.11.3 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling atty v0.2.10 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling names v0.10.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling clap v2.31.2 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling parking_lot v0.5.5 [INFO] [stderr] Compiling syn v0.13.7 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling serde_derive v1.0.50 [INFO] [stderr] Compiling chrono v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.17 [INFO] [stderr] Compiling console v0.6.1 [INFO] [stderr] Compiling indicatif v0.9.0 [INFO] [stderr] Compiling data-generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/generator.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | let mut string = serde_json::to_string_pretty(&entry_map).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/generator.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let mut string = serde_json::to_string(&entry_map).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | write!(file, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | file.write(string.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | file.write(string.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | write!(file, ","); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | write!(file, "]"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:23:28 [INFO] [stdout] | [INFO] [stdout] 23 | fn run() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.95s [INFO] running `Command { std: "docker" "inspect" "3c85b95116d033377c2bbcbe7ca24c2fde95933d3f10f402932fe4727b104702", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c85b95116d033377c2bbcbe7ca24c2fde95933d3f10f402932fe4727b104702", kill_on_drop: false }` [INFO] [stdout] 3c85b95116d033377c2bbcbe7ca24c2fde95933d3f10f402932fe4727b104702 [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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd67ce55f032d64e2854f3ae3ec3a98ac293a8dc58eda22e4206ac2ff3f2a74f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bd67ce55f032d64e2854f3ae3ec3a98ac293a8dc58eda22e4206ac2ff3f2a74f", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/generator.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | let mut string = serde_json::to_string_pretty(&entry_map).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/generator.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let mut string = serde_json::to_string(&entry_map).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | write!(file, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling data-generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | file.write(string.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | file.write(string.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | write!(file, ","); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | write!(file, "]"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:23:28 [INFO] [stdout] | [INFO] [stdout] 23 | fn run() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/generator.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | let mut string = serde_json::to_string_pretty(&entry_map).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/generator.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let mut string = serde_json::to_string(&entry_map).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | write!(file, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | file.write(string.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | file.write(string.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | write!(file, ","); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generator.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | write!(file, "]"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.60s [INFO] running `Command { std: "docker" "inspect" "bd67ce55f032d64e2854f3ae3ec3a98ac293a8dc58eda22e4206ac2ff3f2a74f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd67ce55f032d64e2854f3ae3ec3a98ac293a8dc58eda22e4206ac2ff3f2a74f", kill_on_drop: false }` [INFO] [stdout] bd67ce55f032d64e2854f3ae3ec3a98ac293a8dc58eda22e4206ac2ff3f2a74f [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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 59a5aa5abb92134a66d22ed00cb286c2edbb1e65cb94057b1c93c35ab7f53f1c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "59a5aa5abb92134a66d22ed00cb286c2edbb1e65cb94057b1c93c35ab7f53f1c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 `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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `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 `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 `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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `data-generator` (lib) generated 7 warnings [INFO] [stderr] warning: `data-generator` (lib test) generated 7 warnings (7 duplicates) [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `data-generator` (bin "data-generator" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.23s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/data_generator-9146c50833ba7e2d) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/data_generator-9cd6e4e34b137e7b) [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] Doc-tests data_generator [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] [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" "59a5aa5abb92134a66d22ed00cb286c2edbb1e65cb94057b1c93c35ab7f53f1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59a5aa5abb92134a66d22ed00cb286c2edbb1e65cb94057b1c93c35ab7f53f1c", kill_on_drop: false }` [INFO] [stdout] 59a5aa5abb92134a66d22ed00cb286c2edbb1e65cb94057b1c93c35ab7f53f1c