[INFO] fetching crate canonical_collections 0.4.0...
[INFO] checking canonical_collections-0.4.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate canonical_collections 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate canonical_collections 0.4.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate canonical_collections 0.4.0
[INFO] finished tweaking crates.io crate canonical_collections 0.4.0
[INFO] tweaked toml for crates.io crate canonical_collections 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 87 packages to latest compatible versions
[INFO] [stderr]       Adding arbitrary v0.3.3 (available: v1.3.2)
[INFO] [stderr]       Adding arrayvec v0.4.12 (available: v0.7.6)
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding autocfg v0.1.8 (available: v1.4.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding blake2b_simd v0.3.1 (available: v1.0.2)
[INFO] [stderr]       Adding canonical v0.4.4 (available: v0.7.1)
[INFO] [stderr]       Adding canonical_derive v0.4.1 (available: v0.7.0)
[INFO] [stderr]       Adding canonical_host v0.4.3 (available: v0.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (available: v0.3.1)
[INFO] [stderr]       Adding derive_arbitrary v0.3.3 (available: v1.3.2)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding lock_api v0.1.5 (available: v0.4.12)
[INFO] [stderr]       Adding memory_units v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (available: v0.4.2)
[INFO] [stderr]       Adding parity-wasm v0.41.0 (available: v0.45.0)
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.3)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.4.0 (available: v0.9.10)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (available: v0.9.10)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (available: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (available: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (available: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (available: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (available: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (available: v0.5.6)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding scopeguard v0.3.3 (available: v1.2.0)
[INFO] [stderr]       Adding seahash v3.0.7 (available: v4.1.0)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding smallvec v0.6.14 (available: v1.13.2)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.1)
[INFO] [stderr]       Adding wasmi v0.6.2 (available: v0.36.2)
[INFO] [stderr]       Adding wasmi-validation v0.3.0 (available: v0.5.0)
[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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1a7ecd5eeaf44d0ac77718796fa471d5279e3f3a6e153964769706571dbdd2c
[INFO] running `Command { std: "docker" "start" "-a" "b1a7ecd5eeaf44d0ac77718796fa471d5279e3f3a6e153964769706571dbdd2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1a7ecd5eeaf44d0ac77718796fa471d5279e3f3a6e153964769706571dbdd2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a7ecd5eeaf44d0ac77718796fa471d5279e3f3a6e153964769706571dbdd2c", kill_on_drop: false }`
[INFO] [stdout] b1a7ecd5eeaf44d0ac77718796fa471d5279e3f3a6e153964769706571dbdd2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 980e8669df961f869b2015f48844fe916fd59025c7d23cfcd7fb69923f41defa
[INFO] running `Command { std: "docker" "start" "-a" "980e8669df961f869b2015f48844fe916fd59025c7d23cfcd7fb69923f41defa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling derive_arbitrary v0.3.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling arbitrary v0.3.3
[INFO] [stderr]     Checking blake2b_simd v0.3.1
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking appendix v0.2.2
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking canonical v0.4.4
[INFO] [stderr]    Compiling canonical_derive v0.4.1
[INFO] [stderr]     Checking canonical_host v0.4.3
[INFO] [stderr]     Checking canonical_collections v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "980e8669df961f869b2015f48844fe916fd59025c7d23cfcd7fb69923f41defa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980e8669df961f869b2015f48844fe916fd59025c7d23cfcd7fb69923f41defa", kill_on_drop: false }`
[INFO] [stdout] 980e8669df961f869b2015f48844fe916fd59025c7d23cfcd7fb69923f41defa