[INFO] fetching crate dsa 0.7.0-pre.0...
[INFO] checking dsa-0.7.0-pre.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate dsa 0.7.0-pre.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate dsa 0.7.0-pre.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dsa 0.7.0-pre.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dsa 0.7.0-pre.0
[INFO] tweaked toml for crates.io crate dsa 0.7.0-pre.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate dsa 0.7.0-pre.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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af0d796a95c306f62b1221c7a3825f05d3b5ef935abd700e2263f0f41e513dbe
[INFO] running `Command { std: "docker" "start" "-a" "af0d796a95c306f62b1221c7a3825f05d3b5ef935abd700e2263f0f41e513dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af0d796a95c306f62b1221c7a3825f05d3b5ef935abd700e2263f0f41e513dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0d796a95c306f62b1221c7a3825f05d3b5ef935abd700e2263f0f41e513dbe", kill_on_drop: false }`
[INFO] [stdout] af0d796a95c306f62b1221c7a3825f05d3b5ef935abd700e2263f0f41e513dbe
[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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9637a3ffa990fc5d5ed65f8c6d189522dc73758e98f643bb6d79098b5b6678d
[INFO] running `Command { std: "docker" "start" "-a" "c9637a3ffa990fc5d5ed65f8c6d189522dc73758e98f643bb6d79098b5b6678d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking const-oid v0.10.0-rc.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking pem-rfc7468 v1.0.0-rc.0
[INFO] [stderr]     Checking der v0.8.0-rc.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking spki v0.8.0-rc.0
[INFO] [stderr]     Checking pkcs8 v0.11.0-rc.0
[INFO] [stderr]     Checking hybrid-array v0.2.0-rc.9
[INFO] [stderr]     Checking crypto-common v0.2.0-rc.0
[INFO] [stderr]     Checking block-buffer v0.11.0-rc.0
[INFO] [stderr]     Checking digest v0.11.0-pre.9
[INFO] [stderr]     Checking hmac v0.13.0-pre.4
[INFO] [stderr]     Checking signature v2.3.0-pre.4
[INFO] [stderr]     Checking sha2 v0.11.0-pre.4
[INFO] [stderr]     Checking sha1 v0.11.0-pre.4
[INFO] [stderr]     Checking rfc6979 v0.5.0-pre.4
[INFO] [stderr]     Checking dsa v0.7.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `Command { std: "docker" "inspect" "c9637a3ffa990fc5d5ed65f8c6d189522dc73758e98f643bb6d79098b5b6678d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9637a3ffa990fc5d5ed65f8c6d189522dc73758e98f643bb6d79098b5b6678d", kill_on_drop: false }`
[INFO] [stdout] c9637a3ffa990fc5d5ed65f8c6d189522dc73758e98f643bb6d79098b5b6678d