[INFO] fetching crate mfauth 1.0.0...
[INFO] checking mfauth-1.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate mfauth 1.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate mfauth 1.0.0 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 mfauth 1.0.0
[INFO] finished tweaking crates.io crate mfauth 1.0.0
[INFO] tweaked toml for crates.io crate mfauth 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate mfauth 1.0.0 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-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] 37aab6f61a079bd77aebe3ba6952d9563bb226de0de7997a4b8bddd8511b9878
[INFO] running `Command { std: "docker" "start" "-a" "37aab6f61a079bd77aebe3ba6952d9563bb226de0de7997a4b8bddd8511b9878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37aab6f61a079bd77aebe3ba6952d9563bb226de0de7997a4b8bddd8511b9878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37aab6f61a079bd77aebe3ba6952d9563bb226de0de7997a4b8bddd8511b9878", kill_on_drop: false }`
[INFO] [stdout] 37aab6f61a079bd77aebe3ba6952d9563bb226de0de7997a4b8bddd8511b9878
[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] 449ea12a8a9400fcfbde2e401c167f1a96127af1c62868add6f9bae61a8164a8
[INFO] running `Command { std: "docker" "start" "-a" "449ea12a8a9400fcfbde2e401c167f1a96127af1c62868add6f9bae61a8164a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing v0.1.30
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking clap v3.0.14
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking mfauth v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `conf_path` is never read
[INFO] [stdout]   --> src/persist.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Store {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 63 |     pub conf_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Store` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `conf_path` is never read
[INFO] [stdout]   --> src/persist.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Store {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 63 |     pub conf_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Store` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.90s
[INFO] running `Command { std: "docker" "inspect" "449ea12a8a9400fcfbde2e401c167f1a96127af1c62868add6f9bae61a8164a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449ea12a8a9400fcfbde2e401c167f1a96127af1c62868add6f9bae61a8164a8", kill_on_drop: false }`
[INFO] [stdout] 449ea12a8a9400fcfbde2e401c167f1a96127af1c62868add6f9bae61a8164a8