[INFO] cloning repository https://github.com/tez011/bubble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tez011/bubble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftez011%2Fbubble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftez011%2Fbubble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a996cf109a8eed032542b9489c017fd8d5530532
[INFO] checking tez011/bubble against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftez011%2Fbubble" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tez011/bubble
[INFO] finished tweaking git repo https://github.com/tez011/bubble
[INFO] tweaked toml for git repo https://github.com/tez011/bubble written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tez011/bubble on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tez011/bubble 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" "+4e55a504843955c97eb06907c71f6f3e99208021" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8208f660679fb1c0a6b569806b470165b8fd47283fa5211cbc9bd342eeb48ed
[INFO] running `Command { std: "docker" "start" "-a" "f8208f660679fb1c0a6b569806b470165b8fd47283fa5211cbc9bd342eeb48ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8208f660679fb1c0a6b569806b470165b8fd47283fa5211cbc9bd342eeb48ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8208f660679fb1c0a6b569806b470165b8fd47283fa5211cbc9bd342eeb48ed", kill_on_drop: false }`
[INFO] [stdout] f8208f660679fb1c0a6b569806b470165b8fd47283fa5211cbc9bd342eeb48ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9afb74d528e31fa277db1f4cdc0819cd062d0bf6bf0dff2e9dd845096c9aae3c
[INFO] running `Command { std: "docker" "start" "-a" "9afb74d528e31fa277db1f4cdc0819cd062d0bf6bf0dff2e9dd845096c9aae3c", kill_on_drop: false }`
[INFO] [stderr]     Checking bubble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/anf.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Literal(syntax::LiteralD),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rhs` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     Literal(syntax::LiteralD),
[INFO] [stdout] 33 +     Literal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/anf.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Closure { index: usize, closed_env: Vec<Atom> },
[INFO] [stdout]    |     -------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rhs` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `operator` is never read
[INFO] [stdout]    --> src/cps.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |     InvalidApplication { operator: Atom },
[INFO] [stdout]     |     ------------------   ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operator`, `expected`, and `actual` are never read
[INFO] [stdout]    --> src/cps.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |     InvalidApplicationArity { operator: Atom, expected: Arity, actual: Arity },
[INFO] [stdout]     |     -----------------------   ^^^^^^^^        ^^^^^^^^         ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected` and `actual` are never read
[INFO] [stdout]    --> src/cps.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 |     InvalidContinuationArity { expected: Arity, actual: Arity },
[INFO] [stdout]     |     ------------------------   ^^^^^^^^         ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/anf.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Literal(syntax::LiteralD),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rhs` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     Literal(syntax::LiteralD),
[INFO] [stdout] 33 +     Literal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/anf.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Closure { index: usize, closed_env: Vec<Atom> },
[INFO] [stdout]    |     -------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rhs` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `operator` is never read
[INFO] [stdout]    --> src/cps.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |     InvalidApplication { operator: Atom },
[INFO] [stdout]     |     ------------------   ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operator`, `expected`, and `actual` are never read
[INFO] [stdout]    --> src/cps.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |     InvalidApplicationArity { operator: Atom, expected: Arity, actual: Arity },
[INFO] [stdout]     |     -----------------------   ^^^^^^^^        ^^^^^^^^         ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected` and `actual` are never read
[INFO] [stdout]    --> src/cps.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 |     InvalidContinuationArity { expected: Arity, actual: Arity },
[INFO] [stdout]     |     ------------------------   ^^^^^^^^         ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "9afb74d528e31fa277db1f4cdc0819cd062d0bf6bf0dff2e9dd845096c9aae3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9afb74d528e31fa277db1f4cdc0819cd062d0bf6bf0dff2e9dd845096c9aae3c", kill_on_drop: false }`
[INFO] [stdout] 9afb74d528e31fa277db1f4cdc0819cd062d0bf6bf0dff2e9dd845096c9aae3c
