[INFO] fetching crate hmac-sha 0.6.1...
[INFO] checking hmac-sha-0.6.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate hmac-sha 0.6.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate hmac-sha 0.6.1 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 hmac-sha 0.6.1
[INFO] finished tweaking crates.io crate hmac-sha 0.6.1
[INFO] tweaked toml for crates.io crate hmac-sha 0.6.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 97 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (available: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.2.1 (available: v0.3.3)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (available: v0.5.0)
[INFO] [stderr]       Adding digest v0.9.0 (available: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding half v1.8.3 (available: v2.4.1)
[INFO] [stderr]       Adding hash32 v0.2.1 (available: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.8.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding hmac v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding sha-1 v0.9.8 (available: v0.10.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.8)
[INFO] [stderr]       Adding sha3 v0.9.1 (available: v0.10.8)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (available: v0.16.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2c8e36d9509aae8f92028ef22a5b3de07a5ed5d9ad5820f10f0f2302772f256d
[INFO] running `Command { std: "docker" "start" "-a" "2c8e36d9509aae8f92028ef22a5b3de07a5ed5d9ad5820f10f0f2302772f256d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8e36d9509aae8f92028ef22a5b3de07a5ed5d9ad5820f10f0f2302772f256d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8e36d9509aae8f92028ef22a5b3de07a5ed5d9ad5820f10f0f2302772f256d", kill_on_drop: false }`
[INFO] [stdout] 2c8e36d9509aae8f92028ef22a5b3de07a5ed5d9ad5820f10f0f2302772f256d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a853460f79326d1e88bb938613f6c2000f34f1f64d2557f7bb35dab4f794659c
[INFO] running `Command { std: "docker" "start" "-a" "a853460f79326d1e88bb938613f6c2000f34f1f64d2557f7bb35dab4f794659c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking hmac-sha v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.44s
[INFO] running `Command { std: "docker" "inspect" "a853460f79326d1e88bb938613f6c2000f34f1f64d2557f7bb35dab4f794659c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a853460f79326d1e88bb938613f6c2000f34f1f64d2557f7bb35dab4f794659c", kill_on_drop: false }`
[INFO] [stdout] a853460f79326d1e88bb938613f6c2000f34f1f64d2557f7bb35dab4f794659c