[INFO] cloning repository https://github.com/qultist/tasty-json [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qultist/tasty-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqultist%2Ftasty-json", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqultist%2Ftasty-json'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a66465a66f36313c5bc0968aee0da9b5155294e [INFO] checking qultist/tasty-json against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqultist%2Ftasty-json" "/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/qultist/tasty-json on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/qultist/tasty-json [INFO] finished tweaking git repo https://github.com/qultist/tasty-json [INFO] tweaked toml for git repo https://github.com/qultist/tasty-json written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/qultist/tasty-json 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40922d4fc19bfdade0c635ce49904fb5e041c138ca0e9062fda3323ac2ad853d [INFO] running `Command { std: "docker" "start" "-a" "40922d4fc19bfdade0c635ce49904fb5e041c138ca0e9062fda3323ac2ad853d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40922d4fc19bfdade0c635ce49904fb5e041c138ca0e9062fda3323ac2ad853d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40922d4fc19bfdade0c635ce49904fb5e041c138ca0e9062fda3323ac2ad853d", kill_on_drop: false }` [INFO] [stdout] 40922d4fc19bfdade0c635ce49904fb5e041c138ca0e9062fda3323ac2ad853d [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 739d27144ffd7abc59326fb4f5f51d73411ebf8fbded437442f68be132be6612 [INFO] running `Command { std: "docker" "start" "-a" "739d27144ffd7abc59326fb4f5f51d73411ebf8fbded437442f68be132be6612", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.1 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking nom v4.0.0 [INFO] [stderr] Checking tasty-json v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_f64`, `as_vec`, and `as_bool` are never used [INFO] [stdout] --> src/json.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn as_f64(&self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn as_vec(&self) -> Option> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn as_bool(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.0.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "739d27144ffd7abc59326fb4f5f51d73411ebf8fbded437442f68be132be6612", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "739d27144ffd7abc59326fb4f5f51d73411ebf8fbded437442f68be132be6612", kill_on_drop: false }` [INFO] [stdout] 739d27144ffd7abc59326fb4f5f51d73411ebf8fbded437442f68be132be6612