[INFO] updating cached repository https://github.com/jaupe/memson [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d559582d75ce81094b260e076e6b5e073a2ed7fb [INFO] checking jaupe/memson against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaupe%2Fmemson" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jaupe/memson on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jaupe/memson [INFO] finished tweaking git repo https://github.com/jaupe/memson [INFO] tweaked toml for git repo https://github.com/jaupe/memson written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/jaupe/memson already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8e3b83e51e0dd94745c96579425969d9af606b391a66f327e853266e41c07f3e [INFO] running `"docker" "start" "-a" "8e3b83e51e0dd94745c96579425969d9af606b391a66f327e853266e41c07f3e"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking bytes v0.5.2 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Checking serde v1.0.103 [INFO] [stderr] Checking tokio v0.2.4 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking memson v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `json_f64` [INFO] [stderr] --> src/json.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn json_f64(val: &JsonVal) -> Result { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_string` [INFO] [stderr] --> src/main.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | fn to_string(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Set` [INFO] [stderr] --> src/main.rs:150:5 [INFO] [stderr] | [INFO] [stderr] 150 | / Set { [INFO] [stderr] 151 | | key: String, [INFO] [stderr] 152 | | value: JsonVal, [INFO] [stderr] 153 | | previous: Option, [INFO] [stderr] 154 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse2` [INFO] [stderr] --> src/main.rs:240:5 [INFO] [stderr] | [INFO] [stderr] 240 | fn parse2(input: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `json_f64` [INFO] [stderr] --> src/json.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn json_f64(val: &JsonVal) -> Result { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_string` [INFO] [stderr] --> src/main.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | fn to_string(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Set` [INFO] [stderr] --> src/main.rs:150:5 [INFO] [stderr] | [INFO] [stderr] 150 | / Set { [INFO] [stderr] 151 | | key: String, [INFO] [stderr] 152 | | value: JsonVal, [INFO] [stderr] 153 | | previous: Option, [INFO] [stderr] 154 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse2` [INFO] [stderr] --> src/main.rs:240:5 [INFO] [stderr] | [INFO] [stderr] 240 | fn parse2(input: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.49s [INFO] running `"docker" "inspect" "8e3b83e51e0dd94745c96579425969d9af606b391a66f327e853266e41c07f3e"` [INFO] running `"docker" "rm" "-f" "8e3b83e51e0dd94745c96579425969d9af606b391a66f327e853266e41c07f3e"` [INFO] [stdout] 8e3b83e51e0dd94745c96579425969d9af606b391a66f327e853266e41c07f3e