[INFO] fetching crate webelements 0.1.1...
[INFO] checking webelements-0.1.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate webelements 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate webelements 0.1.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webelements 0.1.1
[INFO] finished tweaking crates.io crate webelements 0.1.1
[INFO] tweaked toml for crates.io crate webelements 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38c69a00e58f71cfc6e42524272264601e78ea6924eabe2c01ffb56842bbf35f
[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" "38c69a00e58f71cfc6e42524272264601e78ea6924eabe2c01ffb56842bbf35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38c69a00e58f71cfc6e42524272264601e78ea6924eabe2c01ffb56842bbf35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c69a00e58f71cfc6e42524272264601e78ea6924eabe2c01ffb56842bbf35f", kill_on_drop: false }`
[INFO] [stdout] 38c69a00e58f71cfc6e42524272264601e78ea6924eabe2c01ffb56842bbf35f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82bc85c7e455f03756abd7667f252c470eb8dcf89fe17ac9f42759f51663578b
[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" "82bc85c7e455f03756abd7667f252c470eb8dcf89fe17ac9f42759f51663578b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.26
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.76
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.76
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.76
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking wasm-bindgen v0.2.76
[INFO] [stderr]    Compiling html_parser v0.6.2
[INFO] [stderr]     Checking js-sys v0.3.53
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling we-derive v0.1.2
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.26
[INFO] [stderr]     Checking web-sys v0.3.53
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.26
[INFO] [stderr]     Checking webelements v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "82bc85c7e455f03756abd7667f252c470eb8dcf89fe17ac9f42759f51663578b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bc85c7e455f03756abd7667f252c470eb8dcf89fe17ac9f42759f51663578b", kill_on_drop: false }`
[INFO] [stdout] 82bc85c7e455f03756abd7667f252c470eb8dcf89fe17ac9f42759f51663578b