[INFO] fetching crate test-sampler 0.1.0...
[INFO] checking test-sampler-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate test-sampler 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate test-sampler 0.1.0 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 test-sampler 0.1.0
[INFO] finished tweaking crates.io crate test-sampler 0.1.0
[INFO] tweaked toml for crates.io crate test-sampler 0.1.0 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding argmin v0.8.1 (available: v0.10.0)
[INFO] [stderr]       Adding argmin-math v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding term v0.7.0 (available: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1de685fc0156da5854e5275d50c3b8028722cadac94841a0b97843458b6da394
[INFO] running `Command { std: "docker" "start" "-a" "1de685fc0156da5854e5275d50c3b8028722cadac94841a0b97843458b6da394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de685fc0156da5854e5275d50c3b8028722cadac94841a0b97843458b6da394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de685fc0156da5854e5275d50c3b8028722cadac94841a0b97843458b6da394", kill_on_drop: false }`
[INFO] [stdout] 1de685fc0156da5854e5275d50c3b8028722cadac94841a0b97843458b6da394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 52613d73dc3e6fd72650b48f41146614546e0375966db9f80ace4753fd4e2d18
[INFO] running `Command { std: "docker" "start" "-a" "52613d73dc3e6fd72650b48f41146614546e0375966db9f80ace4753fd4e2d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking is_sorted v0.1.1
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking slog-term v2.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking slog-json v2.6.1
[INFO] [stderr]     Checking argmin-math v0.3.0
[INFO] [stderr]     Checking argmin v0.8.1
[INFO] [stderr]     Checking test-sampler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.30s
[INFO] running `Command { std: "docker" "inspect" "52613d73dc3e6fd72650b48f41146614546e0375966db9f80ace4753fd4e2d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52613d73dc3e6fd72650b48f41146614546e0375966db9f80ace4753fd4e2d18", kill_on_drop: false }`
[INFO] [stdout] 52613d73dc3e6fd72650b48f41146614546e0375966db9f80ace4753fd4e2d18