[INFO] fetching crate dqcsim-openqasm 0.3.0...
[INFO] checking dqcsim-openqasm-0.3.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate dqcsim-openqasm 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate dqcsim-openqasm 0.3.0 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 dqcsim-openqasm 0.3.0
[INFO] finished tweaking crates.io crate dqcsim-openqasm 0.3.0
[INFO] tweaked toml for crates.io crate dqcsim-openqasm 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate dqcsim-openqasm 0.3.0 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] 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] c4fa929898edd87c1f186d6929b7730714193ebc7195f5c9c303e87153f913fe
[INFO] running `Command { std: "docker" "start" "-a" "c4fa929898edd87c1f186d6929b7730714193ebc7195f5c9c303e87153f913fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4fa929898edd87c1f186d6929b7730714193ebc7195f5c9c303e87153f913fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4fa929898edd87c1f186d6929b7730714193ebc7195f5c9c303e87153f913fe", kill_on_drop: false }`
[INFO] [stdout] c4fa929898edd87c1f186d6929b7730714193ebc7195f5c9c303e87153f913fe
[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] a275e6ef2087a8e0f2e3ed08c4062525aae116ff1757dc10c3657d5628b3abae
[INFO] running `Command { std: "docker" "start" "-a" "a275e6ef2087a8e0f2e3ed08c4062525aae116ff1757dc10c3657d5628b3abae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking ucd-util v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling dqcsim v0.2.5
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking whoami v0.9.0
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]     Checking qasm v1.0.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde-transcode v1.1.0
[INFO] [stderr]     Checking ipc-channel v0.14.0
[INFO] [stderr]     Checking dqcsim-openqasm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.96s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: dqcsim v0.2.5, nom v1.2.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a275e6ef2087a8e0f2e3ed08c4062525aae116ff1757dc10c3657d5628b3abae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a275e6ef2087a8e0f2e3ed08c4062525aae116ff1757dc10c3657d5628b3abae", kill_on_drop: false }`
[INFO] [stdout] a275e6ef2087a8e0f2e3ed08c4062525aae116ff1757dc10c3657d5628b3abae