[INFO] fetching crate rexpr 1.0.7...
[INFO] testing rexpr-1.0.7 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate rexpr 1.0.7 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rexpr 1.0.7 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36937931f21be618d417d6714acbe29ee4c557b36602c905e5c2b9693f16ed99
[INFO] running `Command { std: "docker" "start" "-a" "36937931f21be618d417d6714acbe29ee4c557b36602c905e5c2b9693f16ed99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36937931f21be618d417d6714acbe29ee4c557b36602c905e5c2b9693f16ed99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36937931f21be618d417d6714acbe29ee4c557b36602c905e5c2b9693f16ed99", kill_on_drop: false }`
[INFO] [stdout] 36937931f21be618d417d6714acbe29ee4c557b36602c905e5c2b9693f16ed99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fea86d87e36853ca60728956aa97cdb84d7943eb8732fd7914bcd1ece10ac502
[INFO] running `Command { std: "docker" "start" "-a" "fea86d87e36853ca60728956aa97cdb84d7943eb8732fd7914bcd1ece10ac502", kill_on_drop: false }`
[INFO] [stderr]    Compiling dashmap v4.0.2
[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 1.15s
[INFO] running `Command { std: "docker" "inspect" "fea86d87e36853ca60728956aa97cdb84d7943eb8732fd7914bcd1ece10ac502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea86d87e36853ca60728956aa97cdb84d7943eb8732fd7914bcd1ece10ac502", kill_on_drop: false }`
[INFO] [stdout] fea86d87e36853ca60728956aa97cdb84d7943eb8732fd7914bcd1ece10ac502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a88127e24296145f51b74adad184d33c79821942fbd5b718b7c4ef82cfd8c84c
[INFO] running `Command { std: "docker" "start" "-a" "a88127e24296145f51b74adad184d33c79821942fbd5b718b7c4ef82cfd8c84c", kill_on_drop: false }`
[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]    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: 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 1.06s
[INFO] running `Command { std: "docker" "inspect" "a88127e24296145f51b74adad184d33c79821942fbd5b718b7c4ef82cfd8c84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88127e24296145f51b74adad184d33c79821942fbd5b718b7c4ef82cfd8c84c", kill_on_drop: false }`
[INFO] [stdout] a88127e24296145f51b74adad184d33c79821942fbd5b718b7c4ef82cfd8c84c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 460b2445e138c8091a889c2a821a87156dcfbb715e4faf45df907be981c21f24
[INFO] running `Command { std: "docker" "start" "-a" "460b2445e138c8091a889c2a821a87156dcfbb715e4faf45df907be981c21f24", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `crate::cache::RWLockMapCache`
[INFO] [stdout] running 26 tests
[INFO] [stderr]  --> src/runtime.rs:2:5
[INFO] [stdout] test error::test_json_error ... ok
[INFO] [stderr]   |
[INFO] [stdout] test eval::test::test_array_eq ... ok
[INFO] [stderr] 2 | use crate::cache::RWLockMapCache;
[INFO] [stdout] test eval::test::test_lexer ... ok
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test ast::test::test_parse_arg ... ok
[INFO] [stderr]   |
[INFO] [stdout] test eval::test::test_object_eq ... ok
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test eval::test::test_take_value ... ok
[INFO] [stderr] 
[INFO] [stdout] test ast::test::test_parse ... ok
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stdout] test eval_test::test::test_arg_node ... ok
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stdout] test eval_test::test::test_gen ... ok
[INFO] [stderr]    |
[INFO] [stdout] test eval_test::test::test_eval_arg ... ok
[INFO] [stderr] 15 | #[macro_use]
[INFO] [stdout] test eval_test::test::test_number_node ... ok
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stdout] test eval_test::test::test_string_node ... ok
[INFO] [stderr] 
[INFO] [stdout] test lexer::test::test_fill_center_n ... ok
[INFO] [stderr] warning: struct `RWLockMapCache` is never constructed
[INFO] [stdout] test lexer::test::test_fill_first ... ok
[INFO] [stderr]  --> src/cache.rs:7:12
[INFO] [stdout] test lexer::test::test_fill ... ok
[INFO] [stderr]   |
[INFO] [stdout] test parser_test::test::test_lexer ... ok
[INFO] [stderr] 7 | pub struct RWLockMapCache {
[INFO] [stdout] test lexer::test::test_fill_center ... ok
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] test eval_test::test::test_node_run ... ok
[INFO] [stderr]   |
[INFO] [stdout] test lexer::test::test_fill_last ... ok
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `try_read` and `try_write` are never used
[INFO] [stderr]   --> src/cache.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl RWLockMapCache {
[INFO] [stderr]    | ------------------- methods in this implementation
[INFO] [stderr] 12 |     pub fn try_read(
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn try_write(
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rexpr` (lib) generated 4 warnings (run `cargo fix --lib -p rexpr` to apply 1 suggestion)
[INFO] [stderr] warning: `rexpr` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rexpr-28ca50c88b9c3930)
[INFO] [stdout] test eval_test::test::benchmark_arg_node ... ok
[INFO] [stdout] test parser_test::test::test_benchmark_parse ... ok
[INFO] [stdout] test runtime::test::test_bench ... ok
[INFO] [stdout] test parser_test::test::test_benchmark ... ok
[INFO] [stdout] test lexer::test::test_bench_lexer ... ok
[INFO] [stdout] test runtime::test::test_thread_race ... ok
[INFO] [stdout] test eval_test::test::test_mem_gc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 37.82s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rexpr
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "460b2445e138c8091a889c2a821a87156dcfbb715e4faf45df907be981c21f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460b2445e138c8091a889c2a821a87156dcfbb715e4faf45df907be981c21f24", kill_on_drop: false }`
[INFO] [stdout] 460b2445e138c8091a889c2a821a87156dcfbb715e4faf45df907be981c21f24