[INFO] fetching crate jst 0.0.3...
[INFO] testing jst-0.0.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jst 0.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate jst 0.0.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jst 0.0.3
[INFO] finished tweaking crates.io crate jst 0.0.3
[INFO] tweaked toml for crates.io crate jst 0.0.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate jst 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72249d5be00e5ad70592eebb2409a5f2629e476ec8de96bcf30b777445fc04f8
[INFO] running `Command { std: "docker" "start" "-a" "72249d5be00e5ad70592eebb2409a5f2629e476ec8de96bcf30b777445fc04f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72249d5be00e5ad70592eebb2409a5f2629e476ec8de96bcf30b777445fc04f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72249d5be00e5ad70592eebb2409a5f2629e476ec8de96bcf30b777445fc04f8", kill_on_drop: false }`
[INFO] [stdout] 72249d5be00e5ad70592eebb2409a5f2629e476ec8de96bcf30b777445fc04f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 600da43ad699ca2b644041154269996fc8d13763b3d2249595a04b899040b7f6
[INFO] running `Command { std: "docker" "start" "-a" "600da43ad699ca2b644041154269996fc8d13763b3d2249595a04b899040b7f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling jst v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/val.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 if (key >= a.len()) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "600da43ad699ca2b644041154269996fc8d13763b3d2249595a04b899040b7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600da43ad699ca2b644041154269996fc8d13763b3d2249595a04b899040b7f6", kill_on_drop: false }`
[INFO] [stdout] 600da43ad699ca2b644041154269996fc8d13763b3d2249595a04b899040b7f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f24abc7c6e50a639f99b766cbb7202544476db71f3e7f2a453a05aeee80bd45
[INFO] running `Command { std: "docker" "start" "-a" "7f24abc7c6e50a639f99b766cbb7202544476db71f3e7f2a453a05aeee80bd45", kill_on_drop: false }`
[INFO] [stderr]    Compiling jst v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/val.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 if (key >= a.len()) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/val.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 if (key >= a.len()) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "7f24abc7c6e50a639f99b766cbb7202544476db71f3e7f2a453a05aeee80bd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f24abc7c6e50a639f99b766cbb7202544476db71f3e7f2a453a05aeee80bd45", kill_on_drop: false }`
[INFO] [stdout] 7f24abc7c6e50a639f99b766cbb7202544476db71f3e7f2a453a05aeee80bd45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63163fed3cfdb059bcdd520d10786a5bb326396c79f5fb2e8f30b5f91e1b6041
[INFO] running `Command { std: "docker" "start" "-a" "63163fed3cfdb059bcdd520d10786a5bb326396c79f5fb2e8f30b5f91e1b6041", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/val.rs:70:20
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 70 |                 if (key >= a.len()) {
[INFO] [stdout] 
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jst` (lib) generated 1 warning
[INFO] [stderr] warning: `jst` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jst-fee3c07345f2b99f)
[INFO] [stderr]    Doc-tests jst
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> /opt/rustwide/workdir/src/val.rs:70:20
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 if (key >= a.len()) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "63163fed3cfdb059bcdd520d10786a5bb326396c79f5fb2e8f30b5f91e1b6041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63163fed3cfdb059bcdd520d10786a5bb326396c79f5fb2e8f30b5f91e1b6041", kill_on_drop: false }`
[INFO] [stdout] 63163fed3cfdb059bcdd520d10786a5bb326396c79f5fb2e8f30b5f91e1b6041