[INFO] cloning repository https://github.com/Sooh317/rust_mycc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sooh317/rust_mycc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSooh317%2Frust_mycc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSooh317%2Frust_mycc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae731a24c44a12db5dd48fc20e243ccd7ad6293e
[INFO] checking Sooh317/rust_mycc against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSooh317%2Frust_mycc" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sooh317/rust_mycc on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sooh317/rust_mycc
[INFO] finished tweaking git repo https://github.com/Sooh317/rust_mycc
[INFO] tweaked toml for git repo https://github.com/Sooh317/rust_mycc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sooh317/rust_mycc 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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3522111483b6944a6974832e84c87e1dcb5d4a3354e8ead18e2d0bc1cd8a10dd
[INFO] running `Command { std: "docker" "start" "-a" "3522111483b6944a6974832e84c87e1dcb5d4a3354e8ead18e2d0bc1cd8a10dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3522111483b6944a6974832e84c87e1dcb5d4a3354e8ead18e2d0bc1cd8a10dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3522111483b6944a6974832e84c87e1dcb5d4a3354e8ead18e2d0bc1cd8a10dd", kill_on_drop: false }`
[INFO] [stdout] 3522111483b6944a6974832e84c87e1dcb5d4a3354e8ead18e2d0bc1cd8a10dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf568f658ba494398ed5ed3bb5cc6a2d20425aab4b00d1213e5d95ae3d47a858
[INFO] running `Command { std: "docker" "start" "-a" "bf568f658ba494398ed5ed3bb5cc6a2d20425aab4b00d1213e5d95ae3d47a858", kill_on_drop: false }`
[INFO] [stderr]     Checking mycc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `type_to_size`
[INFO] [stdout]  --> src/parser.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ty::{Type, type_of_node, type_to_size};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `type_to_size`
[INFO] [stdout]  --> src/parser.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ty::{Type, type_of_node, type_to_size};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Array` is never constructed
[INFO] [stdout]  --> src/ty.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Type {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 5 |     Int, 
[INFO] [stdout] 6 |     Array,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/parser.rs:147:41
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     map.insert(func_name.clone(), VarInfo { ty: node.ty.clone(), offset: -1});
[INFO] [stdout]     |                                         ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Array` is never constructed
[INFO] [stdout]  --> src/ty.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Type {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 5 |     Int, 
[INFO] [stdout] 6 |     Array,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/parser.rs:147:41
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     map.insert(func_name.clone(), VarInfo { ty: node.ty.clone(), offset: -1});
[INFO] [stdout]     |                                         ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mycc` (bin "mycc") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mycc` (bin "mycc" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bf568f658ba494398ed5ed3bb5cc6a2d20425aab4b00d1213e5d95ae3d47a858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf568f658ba494398ed5ed3bb5cc6a2d20425aab4b00d1213e5d95ae3d47a858", kill_on_drop: false }`
[INFO] [stdout] bf568f658ba494398ed5ed3bb5cc6a2d20425aab4b00d1213e5d95ae3d47a858