[INFO] cloning repository https://github.com/FauxFaux/testcase-json-specific
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/testcase-json-specific" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Ftestcase-json-specific", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Ftestcase-json-specific'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 458cd4fa76ecc52e13d8bcdb32e7f2b9444e2e74
[INFO] checking FauxFaux/testcase-json-specific against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Ftestcase-json-specific" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FauxFaux/testcase-json-specific
[INFO] finished tweaking git repo https://github.com/FauxFaux/testcase-json-specific
[INFO] tweaked toml for git repo https://github.com/FauxFaux/testcase-json-specific written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FauxFaux/testcase-json-specific on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FauxFaux/testcase-json-specific 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4e832abb3e86e1c2325df390bea4449510f53db946be43236de59abc66204e4
[INFO] running `Command { std: "docker" "start" "-a" "a4e832abb3e86e1c2325df390bea4449510f53db946be43236de59abc66204e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4e832abb3e86e1c2325df390bea4449510f53db946be43236de59abc66204e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e832abb3e86e1c2325df390bea4449510f53db946be43236de59abc66204e4", kill_on_drop: false }`
[INFO] [stdout] a4e832abb3e86e1c2325df390bea4449510f53db946be43236de59abc66204e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d55f9c8a41a67e751b8f3e071743ea36969228f9b0ccbc272244bdb701ea5ce
[INFO] running `Command { std: "docker" "start" "-a" "1d55f9c8a41a67e751b8f3e071743ea36969228f9b0ccbc272244bdb701ea5ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking testcase-json-specific v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Container` is never constructed
[INFO] [stdout]  --> src/lib.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Container<'s> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Widget` is never constructed
[INFO] [stdout]   --> src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Widget<'s> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_debug_serde_derive` is never used
[INFO] [stdout]   --> src/lib.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn is_debug_serde_derive(s: &str) -> Result<bool, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_debug_serde_value` is never used
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn is_debug_serde_value(s: &str) -> Result<bool, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_debug_string` is never used
[INFO] [stdout]   --> src/lib.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn is_debug_string(s: &str) -> Result<bool, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `Command { std: "docker" "inspect" "1d55f9c8a41a67e751b8f3e071743ea36969228f9b0ccbc272244bdb701ea5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d55f9c8a41a67e751b8f3e071743ea36969228f9b0ccbc272244bdb701ea5ce", kill_on_drop: false }`
[INFO] [stdout] 1d55f9c8a41a67e751b8f3e071743ea36969228f9b0ccbc272244bdb701ea5ce
