[INFO] fetching crate tfio 0.1.32...
[INFO] checking tfio-0.1.32 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate tfio 0.1.32 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate tfio 0.1.32 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tfio 0.1.32
[INFO] finished tweaking crates.io crate tfio 0.1.32
[INFO] tweaked toml for crates.io crate tfio 0.1.32 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc7c026815b79977580525c2ccbe9cecdd7d0fa19c2fa2a3ef2f6ee372869bf3
[INFO] running `Command { std: "docker" "start" "-a" "cc7c026815b79977580525c2ccbe9cecdd7d0fa19c2fa2a3ef2f6ee372869bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7c026815b79977580525c2ccbe9cecdd7d0fa19c2fa2a3ef2f6ee372869bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7c026815b79977580525c2ccbe9cecdd7d0fa19c2fa2a3ef2f6ee372869bf3", kill_on_drop: false }`
[INFO] [stdout] cc7c026815b79977580525c2ccbe9cecdd7d0fa19c2fa2a3ef2f6ee372869bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2805db79b53e3992d3117b2db5b342dc71f907d9371626d0bc62207e0c842ff
[INFO] running `Command { std: "docker" "start" "-a" "f2805db79b53e3992d3117b2db5b342dc71f907d9371626d0bc62207e0c842ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking tfio v0.1.32 (/opt/rustwide/workdir)
[INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]   --> src/lib.rs:90:55
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait DirectoryOperation: RollbackableOperation + Drop {
[INFO] [stdout]    |                                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]    --> src/lib.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub trait SingleFileOperation: RollbackableOperation + Drop {
[INFO] [stdout]     |                                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]   --> src/lib.rs:90:55
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait DirectoryOperation: RollbackableOperation + Drop {
[INFO] [stdout]    |                                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]    --> src/lib.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub trait SingleFileOperation: RollbackableOperation + Drop {
[INFO] [stdout]     |                                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "f2805db79b53e3992d3117b2db5b342dc71f907d9371626d0bc62207e0c842ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2805db79b53e3992d3117b2db5b342dc71f907d9371626d0bc62207e0c842ff", kill_on_drop: false }`
[INFO] [stdout] f2805db79b53e3992d3117b2db5b342dc71f907d9371626d0bc62207e0c842ff