[INFO] cloning repository https://github.com/Thatguyjs/cmdlang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Thatguyjs/cmdlang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatguyjs%2Fcmdlang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatguyjs%2Fcmdlang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed3f91a02d4b42084b500c5aaa80f25404cbddb3
[INFO] checking Thatguyjs/cmdlang-rs against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatguyjs%2Fcmdlang-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Thatguyjs/cmdlang-rs on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Thatguyjs/cmdlang-rs
[INFO] finished tweaking git repo https://github.com/Thatguyjs/cmdlang-rs
[INFO] tweaked toml for git repo https://github.com/Thatguyjs/cmdlang-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Thatguyjs/cmdlang-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] dcbaa32daa7511b65d179ea3a1b94d75d667d97e033d63cb968a9e7e0ccced4f
[INFO] running `Command { std: "docker" "start" "-a" "dcbaa32daa7511b65d179ea3a1b94d75d667d97e033d63cb968a9e7e0ccced4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcbaa32daa7511b65d179ea3a1b94d75d667d97e033d63cb968a9e7e0ccced4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbaa32daa7511b65d179ea3a1b94d75d667d97e033d63cb968a9e7e0ccced4f", kill_on_drop: false }`
[INFO] [stdout] dcbaa32daa7511b65d179ea3a1b94d75d667d97e033d63cb968a9e7e0ccced4f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 0f5bd1b3d0ff2ad490c0e9eb8acf7d46eeedc6a26e8e60793de5838ff2f031cc
[INFO] running `Command { std: "docker" "start" "-a" "0f5bd1b3d0ff2ad490c0e9eb8acf7d46eeedc6a26e8e60793de5838ff2f031cc", kill_on_drop: false }`
[INFO] [stderr]     Checking cmdlang-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `JumpAlias`
[INFO] [stdout]   --> src/interpreter/../jump.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct JumpAlias {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/interpreter/../jump.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(name: String, alias: usize) -> JumpAlias {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Jump`
[INFO] [stdout]  --> src/minifier/../jump.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Jump {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/minifier/../jump.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(index: usize, name: String) -> Jump {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `outfile`
[INFO] [stdout]   --> src/minifier/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     outfile: &'a File,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/minifier/mod.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     self.outstream.write(&[ch as u8]);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/minifier/mod.rs:102:6
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     self.outstream.write(alias.to_string().as_bytes());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/minifier/mod.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 |             self.outstream.write(&[self.source[ind]]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `JumpAlias`
[INFO] [stdout]   --> src/interpreter/../jump.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct JumpAlias {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/interpreter/../jump.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(name: String, alias: usize) -> JumpAlias {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Jump`
[INFO] [stdout]  --> src/minifier/../jump.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Jump {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/minifier/../jump.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(index: usize, name: String) -> Jump {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `outfile`
[INFO] [stdout]   --> src/minifier/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     outfile: &'a File,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/minifier/mod.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     self.outstream.write(&[ch as u8]);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/minifier/mod.rs:102:6
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     self.outstream.write(alias.to_string().as_bytes());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/minifier/mod.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 |             self.outstream.write(&[self.source[ind]]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "0f5bd1b3d0ff2ad490c0e9eb8acf7d46eeedc6a26e8e60793de5838ff2f031cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5bd1b3d0ff2ad490c0e9eb8acf7d46eeedc6a26e8e60793de5838ff2f031cc", kill_on_drop: false }`
[INFO] [stdout] 0f5bd1b3d0ff2ad490c0e9eb8acf7d46eeedc6a26e8e60793de5838ff2f031cc