[INFO] cloning repository https://github.com/loganswartz/magi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loganswartz/magi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floganswartz%2Fmagi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floganswartz%2Fmagi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c6330c68310fb9bd0a720f84f695f947bd0d099
[INFO] checking loganswartz/magi against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floganswartz%2Fmagi" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/loganswartz/magi
[INFO] finished tweaking git repo https://github.com/loganswartz/magi
[INFO] tweaked toml for git repo https://github.com/loganswartz/magi written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/loganswartz/magi on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/loganswartz/magi 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 928d5f94766a3d6308ed02cc5896868520ddd96317547ff6cacd16515733d072
[INFO] running `Command { std: "docker" "start" "-a" "928d5f94766a3d6308ed02cc5896868520ddd96317547ff6cacd16515733d072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "928d5f94766a3d6308ed02cc5896868520ddd96317547ff6cacd16515733d072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928d5f94766a3d6308ed02cc5896868520ddd96317547ff6cacd16515733d072", kill_on_drop: false }`
[INFO] [stdout] 928d5f94766a3d6308ed02cc5896868520ddd96317547ff6cacd16515733d072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5b34f1fecbd3cb793e6493fcefc524f8faacfa428b7a788bb41a49554ee381f
[INFO] running `Command { std: "docker" "start" "-a" "c5b34f1fecbd3cb793e6493fcefc524f8faacfa428b7a788bb41a49554ee381f", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking magi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `m` and `t` are never read
[INFO] [stdout]   --> src/cpu/sm83.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SM83 {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 12 |     // CPU clock
[INFO] [stdout] 13 |     m: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     t: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SM83` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `GB` is never constructed
[INFO] [stdout]  --> src/gb.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct GB {
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cpu` is never read
[INFO] [stdout]  --> src/gb.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct GB {
[INFO] [stdout]   |            -- field in this struct
[INFO] [stdout] 4 |     cpu: SM83,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]   --> src/gb.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl GB {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout]  9 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn run(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magi` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `m` and `t` are never read
[INFO] [stdout]   --> src/cpu/sm83.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SM83 {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 12 |     // CPU clock
[INFO] [stdout] 13 |     m: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     t: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SM83` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `GB` is never constructed
[INFO] [stdout]  --> src/gb.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct GB {
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cpu` is never read
[INFO] [stdout]  --> src/gb.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct GB {
[INFO] [stdout]   |            -- field in this struct
[INFO] [stdout] 4 |     cpu: SM83,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]   --> src/gb.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl GB {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout]  9 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn run(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magi` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c5b34f1fecbd3cb793e6493fcefc524f8faacfa428b7a788bb41a49554ee381f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b34f1fecbd3cb793e6493fcefc524f8faacfa428b7a788bb41a49554ee381f", kill_on_drop: false }`
[INFO] [stdout] c5b34f1fecbd3cb793e6493fcefc524f8faacfa428b7a788bb41a49554ee381f