[INFO] fetching crate h4x_core 0.0.2...
[INFO] testing h4x_core-0.0.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate h4x_core 0.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate h4x_core 0.0.2
[INFO] finished tweaking crates.io crate h4x_core 0.0.2
[INFO] tweaked toml for crates.io crate h4x_core 0.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate h4x_core 0.0.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 634cafbf4a2bcf51d4b5f0c4502a26440fc214688faa544566f77ffac0001c05
[INFO] running `Command { std: "docker" "start" "-a" "634cafbf4a2bcf51d4b5f0c4502a26440fc214688faa544566f77ffac0001c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "634cafbf4a2bcf51d4b5f0c4502a26440fc214688faa544566f77ffac0001c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634cafbf4a2bcf51d4b5f0c4502a26440fc214688faa544566f77ffac0001c05", kill_on_drop: false }`
[INFO] [stdout] 634cafbf4a2bcf51d4b5f0c4502a26440fc214688faa544566f77ffac0001c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e086e12af94fb3e916797151286b575132865d2d0b7e5fa559e26cd69058ddd
[INFO] running `Command { std: "docker" "start" "-a" "2e086e12af94fb3e916797151286b575132865d2d0b7e5fa559e26cd69058ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling h4x_core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/file/lock.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct LockFile {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |     path:      String,
[INFO] [stdout] 18 |     file:      File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "2e086e12af94fb3e916797151286b575132865d2d0b7e5fa559e26cd69058ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e086e12af94fb3e916797151286b575132865d2d0b7e5fa559e26cd69058ddd", kill_on_drop: false }`
[INFO] [stdout] 2e086e12af94fb3e916797151286b575132865d2d0b7e5fa559e26cd69058ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 134df71c23442adebb00f6c8651289af10f1db135aa8c7f3475198c6500a5a32
[INFO] running `Command { std: "docker" "start" "-a" "134df71c23442adebb00f6c8651289af10f1db135aa8c7f3475198c6500a5a32", kill_on_drop: false }`
[INFO] [stderr]    Compiling h4x_core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/file/lock.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct LockFile {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |     path:      String,
[INFO] [stdout] 18 |     file:      File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/file/lock.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct LockFile {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |     path:      String,
[INFO] [stdout] 18 |     file:      File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "134df71c23442adebb00f6c8651289af10f1db135aa8c7f3475198c6500a5a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "134df71c23442adebb00f6c8651289af10f1db135aa8c7f3475198c6500a5a32", kill_on_drop: false }`
[INFO] [stdout] 134df71c23442adebb00f6c8651289af10f1db135aa8c7f3475198c6500a5a32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05813d42e5f118b7384cdf32d546c5738c306f46459f91b24a3f41d620e43018
[INFO] running `Command { std: "docker" "start" "-a" "05813d42e5f118b7384cdf32d546c5738c306f46459f91b24a3f41d620e43018", kill_on_drop: false }`
[INFO] [stderr] warning: field `file` is never read
[INFO] [stderr]   --> src/file/lock.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct LockFile {
[INFO] [stderr]    |            -------- field in this struct
[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] [stderr] 17 |     path:      String,
[INFO] [stderr] 18 |     file:      File,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `h4x_core` (lib) generated 1 warning
[INFO] [stderr] warning: `h4x_core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/h4x_core-a8486f30710095a0)
[INFO] [stderr]    Doc-tests h4x_core
[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" "05813d42e5f118b7384cdf32d546c5738c306f46459f91b24a3f41d620e43018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05813d42e5f118b7384cdf32d546c5738c306f46459f91b24a3f41d620e43018", kill_on_drop: false }`
[INFO] [stdout] 05813d42e5f118b7384cdf32d546c5738c306f46459f91b24a3f41d620e43018