[INFO] fetching crate simpl 0.1.0...
[INFO] building simpl-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate simpl 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate simpl 0.1.0
[INFO] finished tweaking crates.io crate simpl 0.1.0
[INFO] tweaked toml for crates.io crate simpl 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simpl 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 370e50d2cc980d5a812d89650f029276f020f716f2dd361dfbc9c835f2ca9e2c
[INFO] running `Command { std: "docker" "start" "-a" "370e50d2cc980d5a812d89650f029276f020f716f2dd361dfbc9c835f2ca9e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "370e50d2cc980d5a812d89650f029276f020f716f2dd361dfbc9c835f2ca9e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370e50d2cc980d5a812d89650f029276f020f716f2dd361dfbc9c835f2ca9e2c", kill_on_drop: false }`
[INFO] [stdout] 370e50d2cc980d5a812d89650f029276f020f716f2dd361dfbc9c835f2ca9e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2391fb144a9b717e3105c6da0fb5491ad1ba17c4d735546eff0f0fe8bb4e53d
[INFO] running `Command { std: "docker" "start" "-a" "c2391fb144a9b717e3105c6da0fb5491ad1ba17c4d735546eff0f0fe8bb4e53d", kill_on_drop: false }`
[INFO] [stderr]    Compiling simpl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "c2391fb144a9b717e3105c6da0fb5491ad1ba17c4d735546eff0f0fe8bb4e53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2391fb144a9b717e3105c6da0fb5491ad1ba17c4d735546eff0f0fe8bb4e53d", kill_on_drop: false }`
[INFO] [stdout] c2391fb144a9b717e3105c6da0fb5491ad1ba17c4d735546eff0f0fe8bb4e53d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25a970884d063566b3646cc582876f6d32168e0feef3f6b5fca097e68ecd8344
[INFO] running `Command { std: "docker" "start" "-a" "25a970884d063566b3646cc582876f6d32168e0feef3f6b5fca097e68ecd8344", kill_on_drop: false }`
[INFO] [stderr]    Compiling simpl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/lib.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |               pub data: Option<String>,
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |       super::err!(TestError,
[INFO] [stdout]    |       -           --------- field in this struct
[INFO] [stdout]    |  _____|
[INFO] [stdout]    | |
[INFO] [stdout] 95 | |         {
[INFO] [stdout] 96 | |             Io@std::io::Error;
[INFO] [stdout] 97 | |         }
[INFO] [stdout] 98 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `super::err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "25a970884d063566b3646cc582876f6d32168e0feef3f6b5fca097e68ecd8344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a970884d063566b3646cc582876f6d32168e0feef3f6b5fca097e68ecd8344", kill_on_drop: false }`
[INFO] [stdout] 25a970884d063566b3646cc582876f6d32168e0feef3f6b5fca097e68ecd8344
