[INFO] cloning repository https://github.com/manorajesh/diss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manorajesh/diss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanorajesh%2Fdiss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanorajesh%2Fdiss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec76032e8d9c7d21fdd296e369d8c7cf226888d3
[INFO] checking manorajesh/diss against try#3298c2ca5e390fd0d104357fdeec514a152a9561 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanorajesh%2Fdiss" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/manorajesh/diss on toolchain 3298c2ca5e390fd0d104357fdeec514a152a9561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/manorajesh/diss
[INFO] finished tweaking git repo https://github.com/manorajesh/diss
[INFO] tweaked toml for git repo https://github.com/manorajesh/diss written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/manorajesh/diss 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" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05aea47e117ab75844d1e1cc6e190efd01e40384ef5b89fdc5795bea934f3988
[INFO] running `Command { std: "docker" "start" "-a" "05aea47e117ab75844d1e1cc6e190efd01e40384ef5b89fdc5795bea934f3988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05aea47e117ab75844d1e1cc6e190efd01e40384ef5b89fdc5795bea934f3988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05aea47e117ab75844d1e1cc6e190efd01e40384ef5b89fdc5795bea934f3988", kill_on_drop: false }`
[INFO] [stdout] 05aea47e117ab75844d1e1cc6e190efd01e40384ef5b89fdc5795bea934f3988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3773c2d7c4fc77bfba185061a0d8a2946b7033be282cf01630f6155ddf18e0a
[INFO] running `Command { std: "docker" "start" "-a" "f3773c2d7c4fc77bfba185061a0d8a2946b7033be282cf01630f6155ddf18e0a", kill_on_drop: false }`
[INFO] [stderr]     Checking arm-disassembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `R` is never constructed
[INFO] [stdout]   --> src/base_inst.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct R {
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode` is never used
[INFO] [stdout]   --> src/base_inst.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl R {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 29 |     fn decode(&mut self, inst: u32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]   --> src/base_inst.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct S {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode` is never used
[INFO] [stdout]   --> src/base_inst.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl S {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 89 |     fn decode(&mut self, inst: u32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U` is never constructed
[INFO] [stdout]   --> src/base_inst.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | struct U {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode` is never used
[INFO] [stdout]    --> src/base_inst.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl U {
[INFO] [stdout]     | ------ method in this implementation
[INFO] [stdout] 105 |     fn decode(&mut self, inst: u32) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]    --> src/base_inst.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | struct B {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `J` is never constructed
[INFO] [stdout]    --> src/base_inst.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct J {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `R` is never constructed
[INFO] [stdout]   --> src/base_inst.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct R {
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode` is never used
[INFO] [stdout]   --> src/base_inst.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl R {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 29 |     fn decode(&mut self, inst: u32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]   --> src/base_inst.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct S {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode` is never used
[INFO] [stdout]   --> src/base_inst.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl S {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 89 |     fn decode(&mut self, inst: u32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U` is never constructed
[INFO] [stdout]   --> src/base_inst.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | struct U {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode` is never used
[INFO] [stdout]    --> src/base_inst.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl U {
[INFO] [stdout]     | ------ method in this implementation
[INFO] [stdout] 105 |     fn decode(&mut self, inst: u32) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]    --> src/base_inst.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | struct B {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `J` is never constructed
[INFO] [stdout]    --> src/base_inst.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct J {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "f3773c2d7c4fc77bfba185061a0d8a2946b7033be282cf01630f6155ddf18e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3773c2d7c4fc77bfba185061a0d8a2946b7033be282cf01630f6155ddf18e0a", kill_on_drop: false }`
[INFO] [stdout] f3773c2d7c4fc77bfba185061a0d8a2946b7033be282cf01630f6155ddf18e0a