[INFO] cloning repository https://github.com/MattWindsor91/phenolphthalein
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MattWindsor91/phenolphthalein" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattWindsor91%2Fphenolphthalein", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattWindsor91%2Fphenolphthalein'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a64e8a2354aea5f7a256be6c875c214c4bcf8cc9
[INFO] checking MattWindsor91/phenolphthalein/a64e8a2354aea5f7a256be6c875c214c4bcf8cc9 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%2FMattWindsor91%2Fphenolphthalein" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MattWindsor91/phenolphthalein 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/MattWindsor91/phenolphthalein
[INFO] finished tweaking git repo https://github.com/MattWindsor91/phenolphthalein
[INFO] tweaked toml for git repo https://github.com/MattWindsor91/phenolphthalein written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MattWindsor91/phenolphthalein 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8fa732da323cc6c0a8875bcd2790c2fb7a1ffc0ab183106b054e5080726b3bb7
[INFO] running `Command { std: "docker" "start" "-a" "8fa732da323cc6c0a8875bcd2790c2fb7a1ffc0ab183106b054e5080726b3bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fa732da323cc6c0a8875bcd2790c2fb7a1ffc0ab183106b054e5080726b3bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa732da323cc6c0a8875bcd2790c2fb7a1ffc0ab183106b054e5080726b3bb7", kill_on_drop: false }`
[INFO] [stdout] 8fa732da323cc6c0a8875bcd2790c2fb7a1ffc0ab183106b054e5080726b3bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3b5f61751dad3451d1553918a04ab4f60bd9511ce6617775a0860e5d840b95d7
[INFO] running `Command { std: "docker" "start" "-a" "3b5f61751dad3451d1553918a04ab4f60bd9511ce6617775a0860e5d840b95d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling phenolphthalein v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling dlopen_derive v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking dlopen v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.41s
[INFO] running `Command { std: "docker" "inspect" "3b5f61751dad3451d1553918a04ab4f60bd9511ce6617775a0860e5d840b95d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5f61751dad3451d1553918a04ab4f60bd9511ce6617775a0860e5d840b95d7", kill_on_drop: false }`
[INFO] [stdout] 3b5f61751dad3451d1553918a04ab4f60bd9511ce6617775a0860e5d840b95d7