[INFO] fetching crate thurgood 0.2.1...
[INFO] building thurgood-0.2.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate thurgood 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate thurgood 0.2.1
[INFO] finished tweaking crates.io crate thurgood 0.2.1
[INFO] tweaked toml for crates.io crate thurgood 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thurgood 0.2.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.4)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66457ed1ac92e58af7c7e8d3db6a21c33350d824bbaaa18a37b89914655e9ca5
[INFO] running `Command { std: "docker" "start" "-a" "66457ed1ac92e58af7c7e8d3db6a21c33350d824bbaaa18a37b89914655e9ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66457ed1ac92e58af7c7e8d3db6a21c33350d824bbaaa18a37b89914655e9ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66457ed1ac92e58af7c7e8d3db6a21c33350d824bbaaa18a37b89914655e9ca5", kill_on_drop: false }`
[INFO] [stdout] 66457ed1ac92e58af7c7e8d3db6a21c33350d824bbaaa18a37b89914655e9ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c68ccdadc9817b390bad96a2505b06ca3241454009dd24003024b6cd91586d7d
[INFO] running `Command { std: "docker" "start" "-a" "c68ccdadc9817b390bad96a2505b06ca3241454009dd24003024b6cd91586d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling thurgood v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `JsonMapExt` is never used
[INFO] [stdout]  --> src/arc/../inner/helper.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub trait JsonMapExt {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `JsonMapExt` is never used
[INFO] [stdout]  --> src/rc/../inner/helper.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub trait JsonMapExt {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.53s
[INFO] running `Command { std: "docker" "inspect" "c68ccdadc9817b390bad96a2505b06ca3241454009dd24003024b6cd91586d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68ccdadc9817b390bad96a2505b06ca3241454009dd24003024b6cd91586d7d", kill_on_drop: false }`
[INFO] [stdout] c68ccdadc9817b390bad96a2505b06ca3241454009dd24003024b6cd91586d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 351c4bf3ffdd05061948293358c9053215b77268ce71689e5ddc0aae9a5646c5
[INFO] running `Command { std: "docker" "start" "-a" "351c4bf3ffdd05061948293358c9053215b77268ce71689e5ddc0aae9a5646c5", kill_on_drop: false }`
[INFO] [stdout] warning: trait `JsonMapExt` is never used
[INFO] [stdout]  --> src/arc/../inner/helper.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub trait JsonMapExt {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `JsonMapExt` is never used
[INFO] [stdout]  --> src/rc/../inner/helper.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub trait JsonMapExt {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thurgood v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `JsonMapExt` is never used
[INFO] [stdout]  --> src/arc/../inner/helper.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub trait JsonMapExt {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `JsonMapExt` is never used
[INFO] [stdout]  --> src/rc/../inner/helper.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub trait JsonMapExt {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "351c4bf3ffdd05061948293358c9053215b77268ce71689e5ddc0aae9a5646c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351c4bf3ffdd05061948293358c9053215b77268ce71689e5ddc0aae9a5646c5", kill_on_drop: false }`
[INFO] [stdout] 351c4bf3ffdd05061948293358c9053215b77268ce71689e5ddc0aae9a5646c5