[INFO] cloning repository https://github.com/AsuMagic/oxidizedbrain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AsuMagic/oxidizedbrain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsuMagic%2Foxidizedbrain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsuMagic%2Foxidizedbrain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 774c3fc15721acf64311ac3a541e49c1738db856
[INFO] checking AsuMagic/oxidizedbrain against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsuMagic%2Foxidizedbrain" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AsuMagic/oxidizedbrain
[INFO] finished tweaking git repo https://github.com/AsuMagic/oxidizedbrain
[INFO] tweaked toml for git repo https://github.com/AsuMagic/oxidizedbrain written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AsuMagic/oxidizedbrain on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AsuMagic/oxidizedbrain 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error v1.0.2
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded thiserror v1.0.19
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded cranelift-frontend v0.63.0
[INFO] [stderr]   Downloaded cranelift v0.63.0
[INFO] [stderr]   Downloaded cranelift-module v0.63.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.63.0
[INFO] [stderr]   Downloaded cc v1.0.54
[INFO] [stderr]   Downloaded regalloc v0.0.21
[INFO] [stderr]   Downloaded syn v1.0.23
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded cranelift-native v0.63.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.63.0
[INFO] [stderr]   Downloaded region v2.1.2
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded target-lexicon v0.10.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded cranelift-bforest v0.63.0
[INFO] [stderr]   Downloaded cranelift-entity v0.63.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.19
[INFO] [stderr]   Downloaded cranelift-simplejit v0.63.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded errno v0.2.5
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.2
[INFO] [stderr]   Downloaded version_check v0.9.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.63.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 457eb4d1a72e22fd3e76c90612854fb9cf0f80c5c837342ef9d7230ae0073781
[INFO] running `Command { std: "docker" "start" "-a" "457eb4d1a72e22fd3e76c90612854fb9cf0f80c5c837342ef9d7230ae0073781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "457eb4d1a72e22fd3e76c90612854fb9cf0f80c5c837342ef9d7230ae0073781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457eb4d1a72e22fd3e76c90612854fb9cf0f80c5c837342ef9d7230ae0073781", kill_on_drop: false }`
[INFO] [stdout] 457eb4d1a72e22fd3e76c90612854fb9cf0f80c5c837342ef9d7230ae0073781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d19b508ddb9843c1bc23dce702fc481891e8b0d542c3d4fdae58aacfc652990
[INFO] running `Command { std: "docker" "start" "-a" "7d19b508ddb9843c1bc23dce702fc481891e8b0d542c3d4fdae58aacfc652990", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cranelift-entity v0.63.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.63.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking cranelift-bforest v0.63.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.63.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking regalloc v0.0.21
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling cranelift-codegen v0.63.0
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking cranelift-frontend v0.63.0
[INFO] [stderr]     Checking cranelift-native v0.63.0
[INFO] [stderr]     Checking cranelift-module v0.63.0
[INFO] [stderr]     Checking cranelift-simplejit v0.63.0
[INFO] [stderr]     Checking cranelift v0.63.0
[INFO] [stderr]     Checking oxidizedbrain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/bf/vm.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     TapeOutOfBounds{index: usize},
[INFO] [stdout]    |     --------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.44s
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/bf/vm.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     TapeOutOfBounds{index: usize},
[INFO] [stdout]    |     --------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.63.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] running `Command { std: "docker" "inspect" "7d19b508ddb9843c1bc23dce702fc481891e8b0d542c3d4fdae58aacfc652990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d19b508ddb9843c1bc23dce702fc481891e8b0d542c3d4fdae58aacfc652990", kill_on_drop: false }`
[INFO] [stdout] 7d19b508ddb9843c1bc23dce702fc481891e8b0d542c3d4fdae58aacfc652990