[INFO] cloning repository https://github.com/remram44/locked-pancake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remram44/locked-pancake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Flocked-pancake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Flocked-pancake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd5be0239cbbb04068a38818e223a9a4af7f9613
[INFO] checking remram44/locked-pancake against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Flocked-pancake" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remram44/locked-pancake on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/remram44/locked-pancake
[INFO] finished tweaking git repo https://github.com/remram44/locked-pancake
[INFO] tweaked toml for git repo https://github.com/remram44/locked-pancake written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/remram44/locked-pancake 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-derive v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c0e3b5bd16390da6cd558a5d86f361f475780c4fa1870a64fd0b28c8de786b3
[INFO] running `Command { std: "docker" "start" "-a" "6c0e3b5bd16390da6cd558a5d86f361f475780c4fa1870a64fd0b28c8de786b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0e3b5bd16390da6cd558a5d86f361f475780c4fa1870a64fd0b28c8de786b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0e3b5bd16390da6cd558a5d86f361f475780c4fa1870a64fd0b28c8de786b3", kill_on_drop: false }`
[INFO] [stdout] 6c0e3b5bd16390da6cd558a5d86f361f475780c4fa1870a64fd0b28c8de786b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 797ec7d64a4f2ef02c3d8dfd2c4b3d18c3c4f492d4220a06df84053b00114dd2
[INFO] running `Command { std: "docker" "start" "-a" "797ec7d64a4f2ef02c3d8dfd2c4b3d18c3c4f492d4220a06df84053b00114dd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lpc-memory v0.1.0 (/opt/rustwide/workdir/gc)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> gc/src/lib.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |         Integer(i32),
[INFO] [stdout]     |         ------- ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 148 |         Integer(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-derive v0.3.1
[INFO] [stderr]     Checking lpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn compile_text<R: Read>(file: R) -> Result<Code, CompileError> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn compile_text<R: Read>(file: R) -> Result<Code, CompileError> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `upvalues`
[INFO] [stdout]    --> src/main.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 upvalues,
[INFO] [stdout]     |                 ^^^^^^^^ help: try ignoring the field: `upvalues: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `upvalues`
[INFO] [stdout]    --> src/main.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 upvalues,
[INFO] [stdout]     |                 ^^^^^^^^ help: try ignoring the field: `upvalues: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/main.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 params,
[INFO] [stdout]     |                 ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/main.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 params,
[INFO] [stdout]     |                 ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constants`
[INFO] [stdout]    --> src/main.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 constants,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `constants: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codes`
[INFO] [stdout]    --> src/main.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 codes,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `codes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constants`
[INFO] [stdout]    --> src/main.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 constants,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `constants: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codes`
[INFO] [stdout]    --> src/main.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 codes,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `codes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `upvalues` is never read
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Function {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 69 |     code: Rc<Code>,
[INFO] [stdout] 70 |     upvalues: Vec<Value>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `upvalues` is never read
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Function {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 69 |     code: Rc<Code>,
[INFO] [stdout] 70 |     upvalues: Vec<Value>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "797ec7d64a4f2ef02c3d8dfd2c4b3d18c3c4f492d4220a06df84053b00114dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797ec7d64a4f2ef02c3d8dfd2c4b3d18c3c4f492d4220a06df84053b00114dd2", kill_on_drop: false }`
[INFO] [stdout] 797ec7d64a4f2ef02c3d8dfd2c4b3d18c3c4f492d4220a06df84053b00114dd2
