[INFO] fetching crate javascriptcore-rs 0.10.0...
[INFO] testing javascriptcore-rs-0.10.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate javascriptcore-rs 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate javascriptcore-rs 0.10.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate javascriptcore-rs 0.10.0
[INFO] finished tweaking crates.io crate javascriptcore-rs 0.10.0
[INFO] tweaked toml for crates.io crate javascriptcore-rs 0.10.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48490cfd5e594f4bd850306f1e9b6a2fa9b40375dc80eae1ede39067794d7989
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48490cfd5e594f4bd850306f1e9b6a2fa9b40375dc80eae1ede39067794d7989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48490cfd5e594f4bd850306f1e9b6a2fa9b40375dc80eae1ede39067794d7989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48490cfd5e594f4bd850306f1e9b6a2fa9b40375dc80eae1ede39067794d7989", kill_on_drop: false }`
[INFO] [stdout] 48490cfd5e594f4bd850306f1e9b6a2fa9b40375dc80eae1ede39067794d7989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5eba072a448e5c3d8a84c7a42c4f2bac107d48e7a874797b53fe71773cbe27e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5eba072a448e5c3d8a84c7a42c4f2bac107d48e7a874797b53fe71773cbe27e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling glib v0.10.1
[INFO] [stderr]    Compiling javascriptcore-rs v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `raw`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     raw: JSCValue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 57.44s
[INFO] running `Command { std: "docker" "inspect" "c5eba072a448e5c3d8a84c7a42c4f2bac107d48e7a874797b53fe71773cbe27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5eba072a448e5c3d8a84c7a42c4f2bac107d48e7a874797b53fe71773cbe27e", kill_on_drop: false }`
[INFO] [stdout] c5eba072a448e5c3d8a84c7a42c4f2bac107d48e7a874797b53fe71773cbe27e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b308a89b0cec709bfdd4f27a9a29598385a9716f3f4b70f85ff83e1f73548083
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b308a89b0cec709bfdd4f27a9a29598385a9716f3f4b70f85ff83e1f73548083", kill_on_drop: false }`
[INFO] [stderr]    Compiling javascriptcore-rs v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `raw`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     raw: JSCValue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raw`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     raw: JSCValue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.43s
[INFO] running `Command { std: "docker" "inspect" "b308a89b0cec709bfdd4f27a9a29598385a9716f3f4b70f85ff83e1f73548083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b308a89b0cec709bfdd4f27a9a29598385a9716f3f4b70f85ff83e1f73548083", kill_on_drop: false }`
[INFO] [stdout] b308a89b0cec709bfdd4f27a9a29598385a9716f3f4b70f85ff83e1f73548083
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ac15954ad20ca0bdc9a4be05a94bcacd75f3223926bb7b9d1af11fcc7c6a9cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ac15954ad20ca0bdc9a4be05a94bcacd75f3223926bb7b9d1af11fcc7c6a9cb", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `raw`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     raw: JSCValue,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `raw`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     raw: JSCValue,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/javascriptcore-691de372e17d2ee4
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests javascriptcore
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ac15954ad20ca0bdc9a4be05a94bcacd75f3223926bb7b9d1af11fcc7c6a9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac15954ad20ca0bdc9a4be05a94bcacd75f3223926bb7b9d1af11fcc7c6a9cb", kill_on_drop: false }`
[INFO] [stdout] 7ac15954ad20ca0bdc9a4be05a94bcacd75f3223926bb7b9d1af11fcc7c6a9cb