[INFO] cloning repository https://github.com/json-stream/json-stream-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/json-stream/json-stream-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-stream%2Fjson-stream-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-stream%2Fjson-stream-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a40181fcb29b7363db15fa929f8f2ddd2443a59b [INFO] checking json-stream/json-stream-rust against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-stream%2Fjson-stream-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/json-stream/json-stream-rust on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/json-stream/json-stream-rust [INFO] finished tweaking git repo https://github.com/json-stream/json-stream-rust [INFO] tweaked toml for git repo https://github.com/json-stream/json-stream-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/json-stream/json-stream-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f5e50efc1ab18ac03d597ebb70733f74425d0ae7d69fbf706b0fd38c43827568 [INFO] running `Command { std: "docker" "start" "-a" "f5e50efc1ab18ac03d597ebb70733f74425d0ae7d69fbf706b0fd38c43827568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5e50efc1ab18ac03d597ebb70733f74425d0ae7d69fbf706b0fd38c43827568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5e50efc1ab18ac03d597ebb70733f74425d0ae7d69fbf706b0fd38c43827568", kill_on_drop: false }` [INFO] [stdout] f5e50efc1ab18ac03d597ebb70733f74425d0ae7d69fbf706b0fd38c43827568 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 035a078f982d17e2d34557ab4a748a96d2c6db153c80e1500dfe0d9393d945ba [INFO] running `Command { std: "docker" "start" "-a" "035a078f982d17e2d34557ab4a748a96d2c6db153c80e1500dfe0d9393d945ba", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking json-stream-parser v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `JsonStreamParser` and `parse_stream` [INFO] [stdout] --> src/lib.rs:386:25 [INFO] [stdout] | [INFO] [stdout] 386 | use super::{parse_stream, JsonStreamParser}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 484 | / param_test! { [INFO] [stdout] 485 | | null: r#"null"#, Value::Null [INFO] [stdout] 486 | | true_value: r#"true"#, Value::Bool(true) [INFO] [stdout] 487 | | false_value: r#"false"#, Value::Bool(false) [INFO] [stdout] ... | [INFO] [stdout] 503 | | negative_float: r#"-123.456"#, Value::Number(serde_json::Number::from_f64(-123.456).unwrap()) [INFO] [stdout] 504 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] = note: this warning originates in the macro `param_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Value` and `json` [INFO] [stdout] --> src/lib.rs:387:30 [INFO] [stdout] | [INFO] [stdout] 387 | use serde_json::{Value, json}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] ... [INFO] [stdout] 484 | / param_test! { [INFO] [stdout] 485 | | null: r#"null"#, Value::Null [INFO] [stdout] 486 | | true_value: r#"true"#, Value::Bool(true) [INFO] [stdout] 487 | | false_value: r#"false"#, Value::Bool(false) [INFO] [stdout] ... | [INFO] [stdout] 503 | | negative_float: r#"-123.456"#, Value::Number(serde_json::Number::from_f64(-123.456).unwrap()) [INFO] [stdout] 504 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `param_test` (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/lib.rs:397:21 [INFO] [stdout] | [INFO] [stdout] 397 | parser.add_char(c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 484 | / param_test! { [INFO] [stdout] 485 | | null: r#"null"#, Value::Null [INFO] [stdout] 486 | | true_value: r#"true"#, Value::Bool(true) [INFO] [stdout] 487 | | false_value: r#"false"#, Value::Bool(false) [INFO] [stdout] ... | [INFO] [stdout] 503 | | negative_float: r#"-123.456"#, Value::Number(serde_json::Number::from_f64(-123.456).unwrap()) [INFO] [stdout] 504 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `param_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 397 | let _ = parser.add_char(c); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:412:21 [INFO] [stdout] | [INFO] [stdout] 412 | parser.add_char(c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 484 | / param_test! { [INFO] [stdout] 485 | | null: r#"null"#, Value::Null [INFO] [stdout] 486 | | true_value: r#"true"#, Value::Bool(true) [INFO] [stdout] 487 | | false_value: r#"false"#, Value::Bool(false) [INFO] [stdout] ... | [INFO] [stdout] 503 | | negative_float: r#"-123.456"#, Value::Number(serde_json::Number::from_f64(-123.456).unwrap()) [INFO] [stdout] 504 | | } [INFO] [stdout] | |_- in this macro invocation [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 `param_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 412 | let _ = parser.add_char(c); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:427:21 [INFO] [stdout] | [INFO] [stdout] 427 | parser.add_char(c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 484 | / param_test! { [INFO] [stdout] 485 | | null: r#"null"#, Value::Null [INFO] [stdout] 486 | | true_value: r#"true"#, Value::Bool(true) [INFO] [stdout] 487 | | false_value: r#"false"#, Value::Bool(false) [INFO] [stdout] ... | [INFO] [stdout] 503 | | negative_float: r#"-123.456"#, Value::Number(serde_json::Number::from_f64(-123.456).unwrap()) [INFO] [stdout] 504 | | } [INFO] [stdout] | |_- in this macro invocation [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 `param_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 427 | let _ = parser.add_char(c); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:442:21 [INFO] [stdout] | [INFO] [stdout] 442 | parser.add_char(c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 484 | / param_test! { [INFO] [stdout] 485 | | null: r#"null"#, Value::Null [INFO] [stdout] 486 | | true_value: r#"true"#, Value::Bool(true) [INFO] [stdout] 487 | | false_value: r#"false"#, Value::Bool(false) [INFO] [stdout] ... | [INFO] [stdout] 503 | | negative_float: r#"-123.456"#, Value::Number(serde_json::Number::from_f64(-123.456).unwrap()) [INFO] [stdout] 504 | | } [INFO] [stdout] | |_- in this macro invocation [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 `param_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 442 | let _ = parser.add_char(c); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:457:21 [INFO] [stdout] | [INFO] [stdout] 457 | parser.add_char(c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 484 | / param_test! { [INFO] [stdout] 485 | | null: r#"null"#, Value::Null [INFO] [stdout] 486 | | true_value: r#"true"#, Value::Bool(true) [INFO] [stdout] 487 | | false_value: r#"false"#, Value::Bool(false) [INFO] [stdout] ... | [INFO] [stdout] 503 | | negative_float: r#"-123.456"#, Value::Number(serde_json::Number::from_f64(-123.456).unwrap()) [INFO] [stdout] 504 | | } [INFO] [stdout] | |_- in this macro invocation [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 `param_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 457 | let _ = parser.add_char(c); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:475:21 [INFO] [stdout] | [INFO] [stdout] 475 | parser.add_char(c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 484 | / param_test! { [INFO] [stdout] 485 | | null: r#"null"#, Value::Null [INFO] [stdout] 486 | | true_value: r#"true"#, Value::Bool(true) [INFO] [stdout] 487 | | false_value: r#"false"#, Value::Bool(false) [INFO] [stdout] ... | [INFO] [stdout] 503 | | negative_float: r#"-123.456"#, Value::Number(serde_json::Number::from_f64(-123.456).unwrap()) [INFO] [stdout] 504 | | } [INFO] [stdout] | |_- in this macro invocation [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 `param_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 475 | let _ = parser.add_char(c); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s [INFO] running `Command { std: "docker" "inspect" "035a078f982d17e2d34557ab4a748a96d2c6db153c80e1500dfe0d9393d945ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "035a078f982d17e2d34557ab4a748a96d2c6db153c80e1500dfe0d9393d945ba", kill_on_drop: false }` [INFO] [stdout] 035a078f982d17e2d34557ab4a748a96d2c6db153c80e1500dfe0d9393d945ba