[INFO] cloning repository https://github.com/nojima/qurl [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nojima/qurl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnojima%2Fqurl", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnojima%2Fqurl'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c8ff8ad0ca2ecb7bc6f25e6e16abe6b397e8acc [INFO] testing nojima/qurl against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnojima%2Fqurl" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nojima/qurl on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nojima/qurl [INFO] finished tweaking git repo https://github.com/nojima/qurl [INFO] tweaked toml for git repo https://github.com/nojima/qurl written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/nojima/qurl already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 48f1d811465984314724160fb277686e8501a43d8c364af83b10d3048adc5f4f [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" "48f1d811465984314724160fb277686e8501a43d8c364af83b10d3048adc5f4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48f1d811465984314724160fb277686e8501a43d8c364af83b10d3048adc5f4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48f1d811465984314724160fb277686e8501a43d8c364af83b10d3048adc5f4f", kill_on_drop: false }` [INFO] [stdout] 48f1d811465984314724160fb277686e8501a43d8c364af83b10d3048adc5f4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fab667267034d22d044b425b5fe664ef9ad182de3061fea8966859aff83e942a [INFO] running `Command { std: "docker" "start" "-a" "fab667267034d22d044b425b5fe664ef9ad182de3061fea8966859aff83e942a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling lock_api v0.1.4 [INFO] [stderr] Compiling smallvec v0.6.5 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling bytes v0.4.10 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.6.1 [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling http v0.1.13 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-threadpool v0.1.8 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling tokio-reactor v0.1.6 [INFO] [stderr] Compiling tokio-fs v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-uds v0.2.3 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio v0.1.11 [INFO] [stderr] Compiling h2 v0.1.13 [INFO] [stderr] Compiling hyper v0.12.13 [INFO] [stderr] Compiling qurl v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/yaml_to_json.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 6 | fn escape_json_str(wr: &mut Write, v: &str) -> Result<(), fmt::Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | write!(out, "{}", real); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | write!(out, "{}", integer); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | write!(out, "{}", boolean); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | write!(out, "["); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:90:21 [INFO] [stdout] | [INFO] [stdout] 90 | write!(out, ","); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | write!(out, "]"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | write!(out, "{{"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:105:21 [INFO] [stdout] | [INFO] [stdout] 105 | write!(out, ","); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | write!(out, ":"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | write!(out, "}}"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | write!(out, "null"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 55.67s [INFO] running `Command { std: "docker" "inspect" "fab667267034d22d044b425b5fe664ef9ad182de3061fea8966859aff83e942a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fab667267034d22d044b425b5fe664ef9ad182de3061fea8966859aff83e942a", kill_on_drop: false }` [INFO] [stdout] fab667267034d22d044b425b5fe664ef9ad182de3061fea8966859aff83e942a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 469bc25ba0cb1fc05bf1165b863c3bfde14c7282b5d4cb81b5c4081a69bc5488 [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" "469bc25ba0cb1fc05bf1165b863c3bfde14c7282b5d4cb81b5c4081a69bc5488", kill_on_drop: false }` [INFO] [stderr] Compiling qurl v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/yaml_to_json.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 6 | fn escape_json_str(wr: &mut Write, v: &str) -> Result<(), fmt::Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | write!(out, "{}", real); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | write!(out, "{}", integer); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | write!(out, "{}", boolean); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | write!(out, "["); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:90:21 [INFO] [stdout] | [INFO] [stdout] 90 | write!(out, ","); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | write!(out, "]"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | write!(out, "{{"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:105:21 [INFO] [stdout] | [INFO] [stdout] 105 | write!(out, ","); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | write!(out, ":"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | write!(out, "}}"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/yaml_to_json.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | write!(out, "null"); [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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.69s [INFO] running `Command { std: "docker" "inspect" "469bc25ba0cb1fc05bf1165b863c3bfde14c7282b5d4cb81b5c4081a69bc5488", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "469bc25ba0cb1fc05bf1165b863c3bfde14c7282b5d4cb81b5c4081a69bc5488", kill_on_drop: false }` [INFO] [stdout] 469bc25ba0cb1fc05bf1165b863c3bfde14c7282b5d4cb81b5c4081a69bc5488 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6c259bfad8f29e3e54b8a445bd784c77fc06c6af511305e59afe0dbb70cb93fa [INFO] running `Command { std: "docker" "start" "-a" "6c259bfad8f29e3e54b8a445bd784c77fc06c6af511305e59afe0dbb70cb93fa", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/yaml_to_json.rs:6:29 [INFO] [stderr] | [INFO] [stderr] 6 | fn escape_json_str(wr: &mut Write, v: &str) -> Result<(), fmt::Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | write!(out, "{}", real); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:74:13 [INFO] [stderr] | [INFO] [stderr] 74 | write!(out, "{}", integer); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | write!(out, "{}", boolean); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | write!(out, "["); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:90:21 [INFO] [stderr] | [INFO] [stderr] 90 | write!(out, ","); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | write!(out, "]"); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:98:13 [INFO] [stderr] | [INFO] [stderr] 98 | write!(out, "{{"); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:105:21 [INFO] [stderr] | [INFO] [stderr] 105 | write!(out, ","); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:109:21 [INFO] [stderr] | [INFO] [stderr] 109 | write!(out, ":"); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | write!(out, "}}"); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/yaml_to_json.rs:118:13 [INFO] [stderr] | [INFO] [stderr] 118 | write!(out, "null"); [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/qurl-da7094ef649e0d5d [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test yaml_to_json::test_null ... ok [INFO] [stdout] test yaml_to_json::test_integer ... ok [INFO] [stdout] test yaml_to_json::test_array ... ok [INFO] [stdout] test yaml_to_json::test_hash ... ok [INFO] [stdout] test yaml_to_json::test_real ... ok [INFO] [stdout] test yaml_to_json::test_boolean ... ok [INFO] [stdout] test yaml_to_json::test_string ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6c259bfad8f29e3e54b8a445bd784c77fc06c6af511305e59afe0dbb70cb93fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c259bfad8f29e3e54b8a445bd784c77fc06c6af511305e59afe0dbb70cb93fa", kill_on_drop: false }` [INFO] [stdout] 6c259bfad8f29e3e54b8a445bd784c77fc06c6af511305e59afe0dbb70cb93fa