[INFO] fetching crate prop 0.47.0...
[INFO] checking prop-0.47.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate prop 0.47.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate prop 0.47.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prop 0.47.0
[INFO] finished tweaking crates.io crate prop 0.47.0
[INFO] tweaked toml for crates.io crate prop 0.47.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate prop 0.47.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da2cd3551c0a80192d4b78f429e5d45b827cd84b017343cbaa16542f11503b6
[INFO] running `Command { std: "docker" "start" "-a" "6da2cd3551c0a80192d4b78f429e5d45b827cd84b017343cbaa16542f11503b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da2cd3551c0a80192d4b78f429e5d45b827cd84b017343cbaa16542f11503b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da2cd3551c0a80192d4b78f429e5d45b827cd84b017343cbaa16542f11503b6", kill_on_drop: false }`
[INFO] [stdout] 6da2cd3551c0a80192d4b78f429e5d45b827cd84b017343cbaa16542f11503b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc548847e3ef831f57d159cfc790ec572b7719d4bd073e523a47a88add590ec0
[INFO] running `Command { std: "docker" "start" "-a" "cc548847e3ef831f57d159cfc790ec572b7719d4bd073e523a47a88add590ec0", kill_on_drop: false }`
[INFO] [stderr]     Checking prop v0.47.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "cc548847e3ef831f57d159cfc790ec572b7719d4bd073e523a47a88add590ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc548847e3ef831f57d159cfc790ec572b7719d4bd073e523a47a88add590ec0", kill_on_drop: false }`
[INFO] [stdout] cc548847e3ef831f57d159cfc790ec572b7719d4bd073e523a47a88add590ec0
[INFO] checking prop-0.47.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate prop 0.47.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate prop 0.47.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prop 0.47.0
[INFO] finished tweaking crates.io crate prop 0.47.0
[INFO] tweaked toml for crates.io crate prop 0.47.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate prop 0.47.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13c2828c7d0ea89c0a7746a9886ab7b8aa4b80610dbc24c1b39f77153100a57f
[INFO] running `Command { std: "docker" "start" "-a" "13c2828c7d0ea89c0a7746a9886ab7b8aa4b80610dbc24c1b39f77153100a57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13c2828c7d0ea89c0a7746a9886ab7b8aa4b80610dbc24c1b39f77153100a57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c2828c7d0ea89c0a7746a9886ab7b8aa4b80610dbc24c1b39f77153100a57f", kill_on_drop: false }`
[INFO] [stdout] 13c2828c7d0ea89c0a7746a9886ab7b8aa4b80610dbc24c1b39f77153100a57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0d3ac703e644594dc2a817be99da694f466a2a84f86cb9268569765c5e53b73
[INFO] running `Command { std: "docker" "start" "-a" "f0d3ac703e644594dc2a817be99da694f466a2a84f86cb9268569765c5e53b73", kill_on_drop: false }`
[INFO] [stderr]     Checking prop v0.47.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "f0d3ac703e644594dc2a817be99da694f466a2a84f86cb9268569765c5e53b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d3ac703e644594dc2a817be99da694f466a2a84f86cb9268569765c5e53b73", kill_on_drop: false }`
[INFO] [stdout] f0d3ac703e644594dc2a817be99da694f466a2a84f86cb9268569765c5e53b73