[INFO] fetching crate write-only 0.1.0...
[INFO] testing write-only-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate write-only 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate write-only 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate write-only 0.1.0
[INFO] finished tweaking crates.io crate write-only 0.1.0
[INFO] tweaked toml for crates.io crate write-only 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6bd47d3b961d4a8548ea63a3ac5cc4d6740f6ca0e747b6c99a0cf90c3a0d58
[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" "fd6bd47d3b961d4a8548ea63a3ac5cc4d6740f6ca0e747b6c99a0cf90c3a0d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6bd47d3b961d4a8548ea63a3ac5cc4d6740f6ca0e747b6c99a0cf90c3a0d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6bd47d3b961d4a8548ea63a3ac5cc4d6740f6ca0e747b6c99a0cf90c3a0d58", kill_on_drop: false }`
[INFO] [stdout] fd6bd47d3b961d4a8548ea63a3ac5cc4d6740f6ca0e747b6c99a0cf90c3a0d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a7f0f8e4cdd49c6672ac359f9dc177bff729ae5e3ba79995fca536859c26ce4
[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" "7a7f0f8e4cdd49c6672ac359f9dc177bff729ae5e3ba79995fca536859c26ce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling write-only v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7a7f0f8e4cdd49c6672ac359f9dc177bff729ae5e3ba79995fca536859c26ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7f0f8e4cdd49c6672ac359f9dc177bff729ae5e3ba79995fca536859c26ce4", kill_on_drop: false }`
[INFO] [stdout] 7a7f0f8e4cdd49c6672ac359f9dc177bff729ae5e3ba79995fca536859c26ce4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a81ff3413c4422d2180bb254e87abaf73cb95d123c117d8d1bfc5640f263f1
[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" "61a81ff3413c4422d2180bb254e87abaf73cb95d123c117d8d1bfc5640f263f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling droptest v0.2.1
[INFO] [stderr]    Compiling write-only v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "61a81ff3413c4422d2180bb254e87abaf73cb95d123c117d8d1bfc5640f263f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a81ff3413c4422d2180bb254e87abaf73cb95d123c117d8d1bfc5640f263f1", kill_on_drop: false }`
[INFO] [stdout] 61a81ff3413c4422d2180bb254e87abaf73cb95d123c117d8d1bfc5640f263f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3e4d33a40c151efd1f80a3a9f28c31bf46e02a69065e92c7beb5db25303d2f8
[INFO] running `Command { std: "docker" "start" "-a" "d3e4d33a40c151efd1f80a3a9f28c31bf46e02a69065e92c7beb5db25303d2f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/write_only-a68ad577a79549f1)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test reference::non_volatile::tests::from ... ok
[INFO] [stdout] test reference::non_volatile::tests::put ... ok
[INFO] [stdout] test slice::non_volatile::tests::from_raw_parts ... ok
[INFO] [stdout] test slice::non_volatile::tests::put_at ... ok
[INFO] [stdout] test reference::volatile::tests::write ... ok
[INFO] [stdout] test slice::non_volatile::tests::from ... ok
[INFO] [stdout] test slice::volatile::tests::from_raw_parts ... ok
[INFO] [stdout] test slice::volatile::tests::write_at ... ok
[INFO] [stdout] test reference::non_volatile::tests::from_ptr ... ok
[INFO] [stdout] test slice::volatile::tests::from ... ok
[INFO] [stdout] test reference::volatile::tests::from_ptr ... ok
[INFO] [stdout] test reference::non_volatile::tests::write ... ok
[INFO] [stdout] test reference::volatile::tests::from ... ok
[INFO] [stdout] test slice::volatile::tests::write_cloning_from_slice_at ... ok
[INFO] [stdout] test slice::volatile::tests::write_copying_from_slice_at ... ok
[INFO] [stdout] test slice::non_volatile::tests::put_cloning_from_slice_at ... ok
[INFO] [stdout] test slice::non_volatile::tests::write_at ... ok
[INFO] [stdout] test slice::non_volatile::tests::write_cloning_from_slice_at ... ok
[INFO] [stdout] test slice::non_volatile::tests::write_copying_from_slice_at ... ok
[INFO] [stderr]    Doc-tests write-only
[INFO] [stdout] test slice::non_volatile::tests::put_at_out_of_bounds - should panic ... ok
[INFO] [stdout] test slice::non_volatile::tests::write_at_out_of_bounds - should panic ... ok
[INFO] [stdout] test slice::volatile::tests::write_at_out_of_bounds - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3e4d33a40c151efd1f80a3a9f28c31bf46e02a69065e92c7beb5db25303d2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e4d33a40c151efd1f80a3a9f28c31bf46e02a69065e92c7beb5db25303d2f8", kill_on_drop: false }`
[INFO] [stdout] d3e4d33a40c151efd1f80a3a9f28c31bf46e02a69065e92c7beb5db25303d2f8