[INFO] fetching crate rtw 2.0.1...
[INFO] checking rtw-2.0.1 against beta for pr-78714
[INFO] extracting crate rtw 2.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rtw 2.0.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtw 2.0.1
[INFO] finished tweaking crates.io crate rtw 2.0.1
[INFO] tweaked toml for crates.io crate rtw 2.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rtw 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d3856d35c4d842dcef58102588850310ec484c0aac2e250703fb5ba13574e7d
[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" "3d3856d35c4d842dcef58102588850310ec484c0aac2e250703fb5ba13574e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d3856d35c4d842dcef58102588850310ec484c0aac2e250703fb5ba13574e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3856d35c4d842dcef58102588850310ec484c0aac2e250703fb5ba13574e7d", kill_on_drop: false }`
[INFO] [stdout] 3d3856d35c4d842dcef58102588850310ec484c0aac2e250703fb5ba13574e7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b95743fce0ca8a424ee79723147396c828f3abfe9fc081be5da0b5c7d8f296e
[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" "3b95743fce0ca8a424ee79723147396c828f3abfe9fc081be5da0b5c7d8f296e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking icalendar v0.9.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking assert_cmd v0.12.2
[INFO] [stderr]     Checking tbl v1.1.0-alpha.1
[INFO] [stderr]     Checking htp v0.2.1
[INFO] [stderr]     Checking rtw v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.52s
[INFO] running `Command { std: "docker" "inspect" "3b95743fce0ca8a424ee79723147396c828f3abfe9fc081be5da0b5c7d8f296e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b95743fce0ca8a424ee79723147396c828f3abfe9fc081be5da0b5c7d8f296e", kill_on_drop: false }`
[INFO] [stdout] 3b95743fce0ca8a424ee79723147396c828f3abfe9fc081be5da0b5c7d8f296e