[INFO] cloning repository https://github.com/MrElectrify/virtual-fs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrElectrify/virtual-fs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrElectrify%2Fvirtual-fs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrElectrify%2Fvirtual-fs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c7567b226ed4a3b65c2786e126bbd5af059b2ec
[INFO] checking MrElectrify/virtual-fs/3c7567b226ed4a3b65c2786e126bbd5af059b2ec against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrElectrify%2Fvirtual-fs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MrElectrify/virtual-fs 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 git repo https://github.com/MrElectrify/virtual-fs
[INFO] finished tweaking git repo https://github.com/MrElectrify/virtual-fs
[INFO] tweaked toml for git repo https://github.com/MrElectrify/virtual-fs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MrElectrify/virtual-fs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8bf432412820d8402bcfa665b512df7f613acb351935507df4ce2e2e07c44e6f
[INFO] running `Command { std: "docker" "start" "-a" "8bf432412820d8402bcfa665b512df7f613acb351935507df4ce2e2e07c44e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf432412820d8402bcfa665b512df7f613acb351935507df4ce2e2e07c44e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf432412820d8402bcfa665b512df7f613acb351935507df4ce2e2e07c44e6f", kill_on_drop: false }`
[INFO] [stdout] 8bf432412820d8402bcfa665b512df7f613acb351935507df4ce2e2e07c44e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5a4bad76b2d1123eed5347eccd646750f40c58b6ca444a3da39f22da994df59e
[INFO] running `Command { std: "docker" "start" "-a" "5a4bad76b2d1123eed5347eccd646750f40c58b6ca444a3da39f22da994df59e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking normalize-path v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking path-slash v0.2.1
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking time v0.3.31
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking xattr v1.1.1
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling duplicate v1.0.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking xz v0.1.0
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling mockall_derive v0.12.1
[INFO] [stderr]    Compiling enumflags2_derive v0.7.8
[INFO] [stderr]     Checking enumflags2 v0.7.8
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking mockall v0.12.1
[INFO] [stderr]     Checking virtual-filesystem v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.64s
[INFO] running `Command { std: "docker" "inspect" "5a4bad76b2d1123eed5347eccd646750f40c58b6ca444a3da39f22da994df59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4bad76b2d1123eed5347eccd646750f40c58b6ca444a3da39f22da994df59e", kill_on_drop: false }`
[INFO] [stdout] 5a4bad76b2d1123eed5347eccd646750f40c58b6ca444a3da39f22da994df59e