[INFO] fetching crate threescalers 0.7.0...
[INFO] checking threescalers-0.7.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate threescalers 0.7.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate threescalers 0.7.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate threescalers 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate threescalers 0.7.0
[INFO] tweaked toml for crates.io crate threescalers 0.7.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate threescalers 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6568b3c9f2d5d2730fc482f1fecc36bd33980f34d1a4a2dbd92a842599ac39e
[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" "a6568b3c9f2d5d2730fc482f1fecc36bd33980f34d1a4a2dbd92a842599ac39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6568b3c9f2d5d2730fc482f1fecc36bd33980f34d1a4a2dbd92a842599ac39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6568b3c9f2d5d2730fc482f1fecc36bd33980f34d1a4a2dbd92a842599ac39e", kill_on_drop: false }`
[INFO] [stdout] a6568b3c9f2d5d2730fc482f1fecc36bd33980f34d1a4a2dbd92a842599ac39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de34caba7f7373f35966999aa51bc4a3cd08943cb6049a14e60f2f29c5e4b6a
[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" "0de34caba7f7373f35966999aa51bc4a3cd08943cb6049a14e60f2f29c5e4b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling threescalers v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking serde-xml-rs v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.11s
[INFO] running `Command { std: "docker" "inspect" "0de34caba7f7373f35966999aa51bc4a3cd08943cb6049a14e60f2f29c5e4b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de34caba7f7373f35966999aa51bc4a3cd08943cb6049a14e60f2f29c5e4b6a", kill_on_drop: false }`
[INFO] [stdout] 0de34caba7f7373f35966999aa51bc4a3cd08943cb6049a14e60f2f29c5e4b6a