[INFO] cloning repository https://github.com/commonkestrel/if-true
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/commonkestrel/if-true" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcommonkestrel%2Fif-true", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcommonkestrel%2Fif-true'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dffe81c7d6371467f5211b8531bb2154c929062
[INFO] checking commonkestrel/if-true against master#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145605
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcommonkestrel%2Fif-true" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/commonkestrel/if-true
[INFO] finished tweaking git repo https://github.com/commonkestrel/if-true
[INFO] tweaked toml for git repo https://github.com/commonkestrel/if-true written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/commonkestrel/if-true on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/commonkestrel/if-true 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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 746fe2b03328247a0f38c99028f120af2fc61517933c4aeab4919623249c5838
[INFO] running `Command { std: "docker" "start" "-a" "746fe2b03328247a0f38c99028f120af2fc61517933c4aeab4919623249c5838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "746fe2b03328247a0f38c99028f120af2fc61517933c4aeab4919623249c5838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746fe2b03328247a0f38c99028f120af2fc61517933c4aeab4919623249c5838", kill_on_drop: false }`
[INFO] [stdout] 746fe2b03328247a0f38c99028f120af2fc61517933c4aeab4919623249c5838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df75ec7e89f481dc5252effb0f0b2b66280f76ffa92a2db77f65c15229e95c2a
[INFO] running `Command { std: "docker" "start" "-a" "df75ec7e89f481dc5252effb0f0b2b66280f76ffa92a2db77f65c15229e95c2a", kill_on_drop: false }`
[INFO] [stderr]     Checking if-true v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IO_ERROR`
[INFO] [stdout]  --> src/assembler.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::{IO_ERROR, COMPILE_ERROR};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IO_ERROR`
[INFO] [stdout]  --> src/assembler.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::{IO_ERROR, COMPILE_ERROR};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/assembler.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let labels = parse_labels(file.to_owned());
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/assembler.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let labels = parse_labels(file.to_owned());
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/assembler.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |     for line in assembly.lines() {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `byte` are never read
[INFO] [stdout]   --> src/assembler.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Label {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     byte: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Label` 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] warning: function `parse_literal` is never used
[INFO] [stdout]    --> src/assembler.rs:257:4
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn parse_literal(s: String) -> Result<u16, <u16 as std::str::FromStr>::Err> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/assembler.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |     for line in assembly.lines() {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `byte` are never read
[INFO] [stdout]   --> src/assembler.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Label {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     byte: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Label` 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] warning: function `parse_literal` is never used
[INFO] [stdout]    --> src/assembler.rs:257:4
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn parse_literal(s: String) -> Result<u16, <u16 as std::str::FromStr>::Err> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "df75ec7e89f481dc5252effb0f0b2b66280f76ffa92a2db77f65c15229e95c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df75ec7e89f481dc5252effb0f0b2b66280f76ffa92a2db77f65c15229e95c2a", kill_on_drop: false }`
[INFO] [stdout] df75ec7e89f481dc5252effb0f0b2b66280f76ffa92a2db77f65c15229e95c2a