[INFO] fetching crate tbender_testing 0.1.0...
[INFO] building tbender_testing-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate tbender_testing 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tbender_testing 0.1.0
[INFO] finished tweaking crates.io crate tbender_testing 0.1.0
[INFO] tweaked toml for crates.io crate tbender_testing 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tbender_testing 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] cf24d75eb4bbab682998e00e1f58b9f6d864fc996ebb6387ffc1723ca40db417
[INFO] running `Command { std: "docker" "start" "-a" "cf24d75eb4bbab682998e00e1f58b9f6d864fc996ebb6387ffc1723ca40db417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf24d75eb4bbab682998e00e1f58b9f6d864fc996ebb6387ffc1723ca40db417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf24d75eb4bbab682998e00e1f58b9f6d864fc996ebb6387ffc1723ca40db417", kill_on_drop: false }`
[INFO] [stdout] cf24d75eb4bbab682998e00e1f58b9f6d864fc996ebb6387ffc1723ca40db417
[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] f1f9522fb0d51e16c71d1534df437a5a406bc6308ea3da67894853391ff30732
[INFO] running `Command { std: "docker" "start" "-a" "f1f9522fb0d51e16c71d1534df437a5a406bc6308ea3da67894853391ff30732", kill_on_drop: false }`
[INFO] [stderr]    Compiling tbender_testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Guess {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 31 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "f1f9522fb0d51e16c71d1534df437a5a406bc6308ea3da67894853391ff30732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f9522fb0d51e16c71d1534df437a5a406bc6308ea3da67894853391ff30732", kill_on_drop: false }`
[INFO] [stdout] f1f9522fb0d51e16c71d1534df437a5a406bc6308ea3da67894853391ff30732
[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] 246bf1699fd4f1d96f37316d0d515e31e75f36b3f26f8081441d70dc4de6d59d
[INFO] running `Command { std: "docker" "start" "-a" "246bf1699fd4f1d96f37316d0d515e31e75f36b3f26f8081441d70dc4de6d59d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tbender_testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Guess {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 31 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Guess {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 31 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "246bf1699fd4f1d96f37316d0d515e31e75f36b3f26f8081441d70dc4de6d59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246bf1699fd4f1d96f37316d0d515e31e75f36b3f26f8081441d70dc4de6d59d", kill_on_drop: false }`
[INFO] [stdout] 246bf1699fd4f1d96f37316d0d515e31e75f36b3f26f8081441d70dc4de6d59d