[INFO] fetching crate cargo-archtest 0.1.8...
[INFO] checking cargo-archtest-0.1.8 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate cargo-archtest 0.1.8 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cargo-archtest 0.1.8 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 cargo-archtest 0.1.8
[INFO] finished tweaking crates.io crate cargo-archtest 0.1.8
[INFO] tweaked toml for crates.io crate cargo-archtest 0.1.8 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-archtest 0.1.8 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3f956d1d7729e79da942f86f5f53c4671254241b2f9a2b42b6753c1230cc9503
[INFO] running `Command { std: "docker" "start" "-a" "3f956d1d7729e79da942f86f5f53c4671254241b2f9a2b42b6753c1230cc9503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f956d1d7729e79da942f86f5f53c4671254241b2f9a2b42b6753c1230cc9503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f956d1d7729e79da942f86f5f53c4671254241b2f9a2b42b6753c1230cc9503", kill_on_drop: false }`
[INFO] [stdout] 3f956d1d7729e79da942f86f5f53c4671254241b2f9a2b42b6753c1230cc9503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 950bb9968990aeed5b741c60bd305c5c22574829f30b038da35971b63d01f539
[INFO] running `Command { std: "docker" "start" "-a" "950bb9968990aeed5b741c60bd305c5c22574829f30b038da35971b63d01f539", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking ra_ap_la-arena v0.0.59
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]    Compiling velcro_core v0.5.2
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking cov-mark v1.1.0
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v721.0.0
[INFO] [stderr]     Checking ra_ap_parser v0.0.59
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.59
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]    Compiling velcro_macros v0.5.2
[INFO] [stderr]     Checking cargo_toml v0.9.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking ra_ap_stdx v0.0.59
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking velcro v0.5.3
[INFO] [stderr]     Checking perf-event v0.4.7
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]     Checking rowan v0.13.0-pre.6
[INFO] [stderr]     Checking ra_ap_profile v0.0.59
[INFO] [stderr]     Checking ra_ap_syntax v0.0.59
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking arch_test_core v0.1.5
[INFO] [stderr]     Checking cargo-archtest v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "950bb9968990aeed5b741c60bd305c5c22574829f30b038da35971b63d01f539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950bb9968990aeed5b741c60bd305c5c22574829f30b038da35971b63d01f539", kill_on_drop: false }`
[INFO] [stdout] 950bb9968990aeed5b741c60bd305c5c22574829f30b038da35971b63d01f539