[INFO] fetching crate tendril 0.4.2...
[INFO] checking tendril-0.4.2 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate tendril 0.4.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tendril 0.4.2 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tendril 0.4.2
[INFO] finished tweaking crates.io crate tendril 0.4.2
[INFO] tweaked toml for crates.io crate tendril 0.4.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tendril 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9617fd7fd037d8c7a7b2fb8860b2b079bde0bca865922031ec79ff8dc6851463
[INFO] running `Command { std: "docker" "start" "-a" "9617fd7fd037d8c7a7b2fb8860b2b079bde0bca865922031ec79ff8dc6851463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9617fd7fd037d8c7a7b2fb8860b2b079bde0bca865922031ec79ff8dc6851463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9617fd7fd037d8c7a7b2fb8860b2b079bde0bca865922031ec79ff8dc6851463", kill_on_drop: false }`
[INFO] [stdout] 9617fd7fd037d8c7a7b2fb8860b2b079bde0bca865922031ec79ff8dc6851463
[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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1371ca4edd9a80aee28d3b1215d503faaaba5c04497c5b20ac7bb19591975b5c
[INFO] running `Command { std: "docker" "start" "-a" "1371ca4edd9a80aee28d3b1215d503faaaba5c04497c5b20ac7bb19591975b5c", kill_on_drop: false }`
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking tendril v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "1371ca4edd9a80aee28d3b1215d503faaaba5c04497c5b20ac7bb19591975b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1371ca4edd9a80aee28d3b1215d503faaaba5c04497c5b20ac7bb19591975b5c", kill_on_drop: false }`
[INFO] [stdout] 1371ca4edd9a80aee28d3b1215d503faaaba5c04497c5b20ac7bb19591975b5c