[INFO] fetching crate webrender_api 0.61.0...
[INFO] checking webrender_api-0.61.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate webrender_api 0.61.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate webrender_api 0.61.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webrender_api 0.61.0
[INFO] finished tweaking crates.io crate webrender_api 0.61.0
[INFO] tweaked toml for crates.io crate webrender_api 0.61.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", 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] 0296880dfae4a0fa35dbe0894281dcbe05e4eaf8ed0773fd2567ace1d3406daa
[INFO] running `Command { std: "docker" "start" "-a" "0296880dfae4a0fa35dbe0894281dcbe05e4eaf8ed0773fd2567ace1d3406daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0296880dfae4a0fa35dbe0894281dcbe05e4eaf8ed0773fd2567ace1d3406daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0296880dfae4a0fa35dbe0894281dcbe05e4eaf8ed0773fd2567ace1d3406daa", kill_on_drop: false }`
[INFO] [stdout] 0296880dfae4a0fa35dbe0894281dcbe05e4eaf8ed0773fd2567ace1d3406daa
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f39732308393b57320fafff658dbd98587cae75c77200e5e06e564a032ac3fda
[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" "f39732308393b57320fafff658dbd98587cae75c77200e5e06e564a032ac3fda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.2
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking app_units v0.7.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking peek-poke v0.2.0
[INFO] [stderr]     Checking wr_malloc_size_of v0.1.0
[INFO] [stderr]     Checking webrender_api v0.61.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/channel_mpsc.rs:41:71
[INFO] [stdout]    |
[INFO] [stdout] 41 |         self.rx.recv().map_err(|e| io::Error::new(ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/channel_mpsc.rs:41:71
[INFO] [stdout]    |
[INFO] [stdout] 41 |         self.rx.recv().map_err(|e| io::Error::new(ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "f39732308393b57320fafff658dbd98587cae75c77200e5e06e564a032ac3fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39732308393b57320fafff658dbd98587cae75c77200e5e06e564a032ac3fda", kill_on_drop: false }`
[INFO] [stdout] f39732308393b57320fafff658dbd98587cae75c77200e5e06e564a032ac3fda