[INFO] fetching crate compiler_base_session 0.1.3...
[INFO] checking compiler_base_session-0.1.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate compiler_base_session 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate compiler_base_session 0.1.3 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 compiler_base_session 0.1.3
[INFO] finished tweaking crates.io crate compiler_base_session 0.1.3
[INFO] tweaked toml for crates.io crate compiler_base_session 0.1.3 written to /workspace/builds/worker-0-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 105 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding fluent-langneg v0.13.0 (available: v0.14.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding memmap2 v0.2.3 (available: v0.9.5)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding rustc-rayon v0.3.2 (available: v0.5.0)
[INFO] [stderr]       Adding rustc-rayon-core v0.3.2 (available: v0.5.0)
[INFO] [stderr]       Adding self_cell v0.10.3 (available: v1.0.4)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[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] [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] 940d68f02e57bac9c77b9325fb5e424ccc943529b989df28c5ddc86e6fff768a
[INFO] running `Command { std: "docker" "start" "-a" "940d68f02e57bac9c77b9325fb5e424ccc943529b989df28c5ddc86e6fff768a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "940d68f02e57bac9c77b9325fb5e424ccc943529b989df28c5ddc86e6fff768a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940d68f02e57bac9c77b9325fb5e424ccc943529b989df28c5ddc86e6fff768a", kill_on_drop: false }`
[INFO] [stdout] 940d68f02e57bac9c77b9325fb5e424ccc943529b989df28c5ddc86e6fff768a
[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] ef36575b00b98719740d6a364494f1164c4b31ce81a532752d6bd79fc8386a8f
[INFO] running `Command { std: "docker" "start" "-a" "ef36575b00b98719740d6a364494f1164c4b31ce81a532752d6bd79fc8386a8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ena v0.14.3
[INFO] [stderr]     Checking jobserver v0.1.32
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking type-map v0.5.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking self_cell v1.0.4
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking fluent-syntax v0.11.1
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking self_cell v0.10.3
[INFO] [stderr]     Checking rustc_errors v0.1.2
[INFO] [stderr]     Checking compiler_base_macros v0.1.1
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking rustc-rayon-core v0.5.0
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]     Checking rustc-rayon v0.3.2
[INFO] [stderr]    Compiling unic-langid-impl v0.9.5
[INFO] [stderr]     Checking rustc-rayon v0.5.0
[INFO] [stderr]    Compiling unic-langid-macros-impl v0.9.5
[INFO] [stderr]     Checking unic-langid-macros v0.9.5
[INFO] [stderr]     Checking unic-langid v0.9.5
[INFO] [stderr]     Checking fluent-langneg v0.13.0
[INFO] [stderr]     Checking intl-memoizer v0.5.2
[INFO] [stderr]     Checking intl_pluralrules v7.0.2
[INFO] [stderr]     Checking fluent-bundle v0.15.3
[INFO] [stderr]     Checking fluent v0.16.1
[INFO] [stderr]     Checking rustc_data_structures v0.1.2
[INFO] [stderr]     Checking rustc_span v0.1.2
[INFO] [stderr]     Checking compiler_base_span v0.1.3
[INFO] [stderr]     Checking compiler_base_error v0.1.6
[INFO] [stderr]     Checking compiler_base_session v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "ef36575b00b98719740d6a364494f1164c4b31ce81a532752d6bd79fc8386a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef36575b00b98719740d6a364494f1164c4b31ce81a532752d6bd79fc8386a8f", kill_on_drop: false }`
[INFO] [stdout] ef36575b00b98719740d6a364494f1164c4b31ce81a532752d6bd79fc8386a8f