[INFO] cloning repository https://github.com/zhuowei/Brainlift
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhuowei/Brainlift" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuowei%2FBrainlift", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuowei%2FBrainlift'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1248ea92b3516d848b7bb77a247f1026dcfcc3e7
[INFO] testing zhuowei/Brainlift against master#2fe50cd72c476ebacdedb14893e9632b4de961c2 for pr-116088-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuowei%2FBrainlift" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhuowei/Brainlift on toolchain 2fe50cd72c476ebacdedb14893e9632b4de961c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhuowei/Brainlift
[INFO] finished tweaking git repo https://github.com/zhuowei/Brainlift
[INFO] tweaked toml for git repo https://github.com/zhuowei/Brainlift written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zhuowei/Brainlift already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6cc2fe430e418964ae251e0394ee497ea1f8bd91215012b469e7ec721cd50a1
[INFO] running `Command { std: "docker" "start" "-a" "d6cc2fe430e418964ae251e0394ee497ea1f8bd91215012b469e7ec721cd50a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6cc2fe430e418964ae251e0394ee497ea1f8bd91215012b469e7ec721cd50a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6cc2fe430e418964ae251e0394ee497ea1f8bd91215012b469e7ec721cd50a1", kill_on_drop: false }`
[INFO] [stdout] d6cc2fe430e418964ae251e0394ee497ea1f8bd91215012b469e7ec721cd50a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d007b348b8cf996cd40505cd961afd6ae9b109a5c3d5fa58a672bfabbe9f6ada
[INFO] running `Command { std: "docker" "start" "-a" "d007b348b8cf996cd40505cd961afd6ae9b109a5c3d5fa58a672bfabbe9f6ada", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling serde v1.0.90
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[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling autocfg v0.1.2
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[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling cranelift-entity v0.37.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.37.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling cranelift-bforest v0.37.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling string-interner v0.6.3
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]    Compiling goblin v0.0.23
[INFO] [stderr]    Compiling goblin v0.0.22
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling cranelift-codegen v0.37.0
[INFO] [stderr]    Compiling faerie v0.10.1
[INFO] [stderr]    Compiling cranelift-module v0.37.0
[INFO] [stderr]    Compiling cranelift-frontend v0.37.0
[INFO] [stderr]    Compiling cranelift-faerie v0.37.0
[INFO] [stderr]    Compiling brainlift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     shared_builder.enable("is_pic");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let _ = shared_builder.enable("is_pic");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     shared_builder.set("probestack_enabled", "false");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let _ = shared_builder.set("probestack_enabled", "false");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BF_CELLS_COUNT` should have a snake case name
[INFO] [stdout]    --> src/main.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let BF_CELLS_COUNT = 30000;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bf_cells_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.37.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d007b348b8cf996cd40505cd961afd6ae9b109a5c3d5fa58a672bfabbe9f6ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d007b348b8cf996cd40505cd961afd6ae9b109a5c3d5fa58a672bfabbe9f6ada", kill_on_drop: false }`
[INFO] [stdout] d007b348b8cf996cd40505cd961afd6ae9b109a5c3d5fa58a672bfabbe9f6ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bba7fc282c0b241fde394b4dc1d186aebc17c42781596ba5c55612d5f5ea8e8c
[INFO] running `Command { std: "docker" "start" "-a" "bba7fc282c0b241fde394b4dc1d186aebc17c42781596ba5c55612d5f5ea8e8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainlift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     shared_builder.enable("is_pic");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let _ = shared_builder.enable("is_pic");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     shared_builder.set("probestack_enabled", "false");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let _ = shared_builder.set("probestack_enabled", "false");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BF_CELLS_COUNT` should have a snake case name
[INFO] [stdout]    --> src/main.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let BF_CELLS_COUNT = 30000;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bf_cells_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.37.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "bba7fc282c0b241fde394b4dc1d186aebc17c42781596ba5c55612d5f5ea8e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba7fc282c0b241fde394b4dc1d186aebc17c42781596ba5c55612d5f5ea8e8c", kill_on_drop: false }`
[INFO] [stdout] bba7fc282c0b241fde394b4dc1d186aebc17c42781596ba5c55612d5f5ea8e8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2695dd5f772df8b39514adfd7107fd63e13d5fb6934703d2263db0781836bf7b
[INFO] running `Command { std: "docker" "start" "-a" "2695dd5f772df8b39514adfd7107fd63e13d5fb6934703d2263db0781836bf7b", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     shared_builder.enable("is_pic");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let _ = shared_builder.enable("is_pic");
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     shared_builder.set("probestack_enabled", "false");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let _ = shared_builder.set("probestack_enabled", "false");
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `BF_CELLS_COUNT` should have a snake case name
[INFO] [stderr]    --> src/main.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let BF_CELLS_COUNT = 30000;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bf_cells_count`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `brainlift` (bin "brainlift" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.37.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/brainlift-0f9263d5069f4d82)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2695dd5f772df8b39514adfd7107fd63e13d5fb6934703d2263db0781836bf7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2695dd5f772df8b39514adfd7107fd63e13d5fb6934703d2263db0781836bf7b", kill_on_drop: false }`
[INFO] [stdout] 2695dd5f772df8b39514adfd7107fd63e13d5fb6934703d2263db0781836bf7b