[INFO] fetching crate wz-utf16 1.0.2...
[INFO] checking wz-utf16-1.0.2 against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912
[INFO] extracting crate wz-utf16 1.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate wz-utf16 1.0.2
[INFO] finished tweaking crates.io crate wz-utf16 1.0.2
[INFO] tweaked toml for crates.io crate wz-utf16 1.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wz-utf16 1.0.2 on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "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 95 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding rstest v0.15.0 (available: v0.26.1)
[INFO] [stderr]       Adding speculoos v0.9.0 (available: v0.13.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e3a967e9ddb338c6f866799a3d130887453da146ad510b426df9ce0f7ba17da
[INFO] running `Command { std: "docker" "start" "-a" "8e3a967e9ddb338c6f866799a3d130887453da146ad510b426df9ce0f7ba17da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e3a967e9ddb338c6f866799a3d130887453da146ad510b426df9ce0f7ba17da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3a967e9ddb338c6f866799a3d130887453da146ad510b426df9ce0f7ba17da", kill_on_drop: false }`
[INFO] [stdout] 8e3a967e9ddb338c6f866799a3d130887453da146ad510b426df9ce0f7ba17da
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ce9b58998114a75559e81326ee4a8dd105f18cfc8f43de184c375ac6c31be66
[INFO] running `Command { std: "docker" "start" "-a" "7ce9b58998114a75559e81326ee4a8dd105f18cfc8f43de184c375ac6c31be66", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling rstest_macros v0.14.0
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wz-core v1.0.0
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking speculoos v0.9.0
[INFO] [stderr]     Checking wz-utf16 v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `wz_core::*`
[INFO] [stdout]  --> src/be.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wz_core::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wz_core::*`
[INFO] [stdout]  --> src/le.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wz_core::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking rstest v0.15.0
[INFO] [stdout] warning: unused import: `wz_core::*`
[INFO] [stdout]  --> src/be.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wz_core::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wz_core::*`
[INFO] [stdout]  --> src/le.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wz_core::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.98s
[INFO] running `Command { std: "docker" "inspect" "7ce9b58998114a75559e81326ee4a8dd105f18cfc8f43de184c375ac6c31be66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce9b58998114a75559e81326ee4a8dd105f18cfc8f43de184c375ac6c31be66", kill_on_drop: false }`
[INFO] [stdout] 7ce9b58998114a75559e81326ee4a8dd105f18cfc8f43de184c375ac6c31be66