[INFO] fetching crate rexpr 1.0.7...
[INFO] building rexpr-1.0.7 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rexpr 1.0.7 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rexpr 1.0.7
[INFO] finished tweaking crates.io crate rexpr 1.0.7
[INFO] tweaked toml for crates.io crate rexpr 1.0.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rexpr 1.0.7 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v4.0.2 (available: v6.1.0)
[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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 50d7e43ec3f71a3bdb931355f3ab1096dfb4b9989903be0a256994a874a2ea12
[INFO] running `Command { std: "docker" "start" "-a" "50d7e43ec3f71a3bdb931355f3ab1096dfb4b9989903be0a256994a874a2ea12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50d7e43ec3f71a3bdb931355f3ab1096dfb4b9989903be0a256994a874a2ea12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d7e43ec3f71a3bdb931355f3ab1096dfb4b9989903be0a256994a874a2ea12", kill_on_drop: false }`
[INFO] [stdout] 50d7e43ec3f71a3bdb931355f3ab1096dfb4b9989903be0a256994a874a2ea12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6bca3703b2760817b5b9a74f5dae802113aed1bf7fb25f559f0f02411f717fe6
[INFO] running `Command { std: "docker" "start" "-a" "6bca3703b2760817b5b9a74f5dae802113aed1bf7fb25f559f0f02411f717fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rexpr v1.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::cache::RWLockMapCache`
[INFO] [stdout]  --> src/runtime.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cache::RWLockMapCache;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RWLockMapCache` is never constructed
[INFO] [stdout]  --> src/cache.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RWLockMapCache {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_read` and `try_write` are never used
[INFO] [stdout]   --> src/cache.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RWLockMapCache {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn try_read(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn try_write(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "6bca3703b2760817b5b9a74f5dae802113aed1bf7fb25f559f0f02411f717fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bca3703b2760817b5b9a74f5dae802113aed1bf7fb25f559f0f02411f717fe6", kill_on_drop: false }`
[INFO] [stdout] 6bca3703b2760817b5b9a74f5dae802113aed1bf7fb25f559f0f02411f717fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 267883044f3d66bdd3e0fc33dea648d24e73102123eef6c7eeb9936d7349caca
[INFO] running `Command { std: "docker" "start" "-a" "267883044f3d66bdd3e0fc33dea648d24e73102123eef6c7eeb9936d7349caca", kill_on_drop: false }`
[INFO] [stderr]    Compiling rexpr v1.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::cache::RWLockMapCache`
[INFO] [stdout]  --> src/runtime.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cache::RWLockMapCache;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RWLockMapCache` is never constructed
[INFO] [stdout]  --> src/cache.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RWLockMapCache {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_read` and `try_write` are never used
[INFO] [stdout]   --> src/cache.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RWLockMapCache {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn try_read(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn try_write(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cache::RWLockMapCache`
[INFO] [stdout]  --> src/runtime.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cache::RWLockMapCache;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RWLockMapCache` is never constructed
[INFO] [stdout]  --> src/cache.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RWLockMapCache {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_read` and `try_write` are never used
[INFO] [stdout]   --> src/cache.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RWLockMapCache {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn try_read(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn try_write(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "267883044f3d66bdd3e0fc33dea648d24e73102123eef6c7eeb9936d7349caca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267883044f3d66bdd3e0fc33dea648d24e73102123eef6c7eeb9936d7349caca", kill_on_drop: false }`
[INFO] [stdout] 267883044f3d66bdd3e0fc33dea648d24e73102123eef6c7eeb9936d7349caca
