[INFO] fetching crate wng 3.2.4...
[INFO] checking wng-3.2.4 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate wng 3.2.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate wng 3.2.4 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wng 3.2.4
[INFO] finished tweaking crates.io crate wng 3.2.4
[INFO] tweaked toml for crates.io crate wng 3.2.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate wng 3.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", 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] 261ba19a5c582faf5a94ccf04a1303db445d5db0fd5f2c6a8d93ec9551694f11
[INFO] running `Command { std: "docker" "start" "-a" "261ba19a5c582faf5a94ccf04a1303db445d5db0fd5f2c6a8d93ec9551694f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261ba19a5c582faf5a94ccf04a1303db445d5db0fd5f2c6a8d93ec9551694f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261ba19a5c582faf5a94ccf04a1303db445d5db0fd5f2c6a8d93ec9551694f11", kill_on_drop: false }`
[INFO] [stdout] 261ba19a5c582faf5a94ccf04a1303db445d5db0fd5f2c6a8d93ec9551694f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--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] 82daa01adcc2315b673ca197adf64c9bd7498fc9332d25fc33a9262f7d050945
[INFO] running `Command { std: "docker" "start" "-a" "82daa01adcc2315b673ca197adf64c9bd7498fc9332d25fc33a9262f7d050945", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking lines_from_file v0.1.2
[INFO] [stderr]     Checking see_directory v0.2.1
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking wng v3.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `debug` is never read
[INFO] [stdout]  --> src/build/run.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut debug = "";
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `release` is never read
[INFO] [stdout]  --> src/build/run.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut release = "";
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/project/create.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut src = String::new();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tests` is never read
[INFO] [stdout]   --> src/project/create.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut tests = String::new();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `build` is never read
[INFO] [stdout]   --> src/project/create.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut build = String::new();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `release` is never read
[INFO] [stdout]   --> src/project/create.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut release = String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `debug` is never read
[INFO] [stdout]   --> src/project/create.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut debug = String::new();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `main` is never read
[INFO] [stdout]   --> src/project/create.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut main = String::new();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `testfile` is never read
[INFO] [stdout]   --> src/project/create.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut testfile = String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `status` is never read
[INFO] [stdout]   --> src/project/testing.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut status = Command::new("echo")
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `debug` is never read
[INFO] [stdout]  --> src/build/run.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut debug = "";
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `release` is never read
[INFO] [stdout]  --> src/build/run.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut release = "";
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/project/create.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut src = String::new();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tests` is never read
[INFO] [stdout]   --> src/project/create.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut tests = String::new();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `build` is never read
[INFO] [stdout]   --> src/project/create.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut build = String::new();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `release` is never read
[INFO] [stdout]   --> src/project/create.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut release = String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `debug` is never read
[INFO] [stdout]   --> src/project/create.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut debug = String::new();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `main` is never read
[INFO] [stdout]   --> src/project/create.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut main = String::new();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `testfile` is never read
[INFO] [stdout]   --> src/project/create.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut testfile = String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `status` is never read
[INFO] [stdout]   --> src/project/testing.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut status = Command::new("echo")
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.32s
[INFO] running `Command { std: "docker" "inspect" "82daa01adcc2315b673ca197adf64c9bd7498fc9332d25fc33a9262f7d050945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82daa01adcc2315b673ca197adf64c9bd7498fc9332d25fc33a9262f7d050945", kill_on_drop: false }`
[INFO] [stdout] 82daa01adcc2315b673ca197adf64c9bd7498fc9332d25fc33a9262f7d050945