[INFO] cloning repository https://github.com/anima-libera/xxbf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anima-libera/xxbf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanima-libera%2Fxxbf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanima-libera%2Fxxbf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10103728c0b9faf29132f5484a107ff2b8a288e0
[INFO] testing anima-libera/xxbf against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanima-libera%2Fxxbf" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anima-libera/xxbf on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anima-libera/xxbf
[INFO] finished tweaking git repo https://github.com/anima-libera/xxbf
[INFO] tweaked toml for git repo https://github.com/anima-libera/xxbf written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/anima-libera/xxbf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 513bf91639886f7908ced636dc6ea1293c9539c7cbba57ce9cfb547e5befe668
[INFO] running `Command { std: "docker" "start" "-a" "513bf91639886f7908ced636dc6ea1293c9539c7cbba57ce9cfb547e5befe668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "513bf91639886f7908ced636dc6ea1293c9539c7cbba57ce9cfb547e5befe668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513bf91639886f7908ced636dc6ea1293c9539c7cbba57ce9cfb547e5befe668", kill_on_drop: false }`
[INFO] [stdout] 513bf91639886f7908ced636dc6ea1293c9539c7cbba57ce9cfb547e5befe668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd2d39079937580fe581cbb3df38885cc231a90d4f5c610060eee4785997d25a
[INFO] running `Command { std: "docker" "start" "-a" "cd2d39079937580fe581cbb3df38885cc231a90d4f5c610060eee4785997d25a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling xxbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `raw_prog`
[INFO] [stdout]   --> src/graph.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn grahify(raw_prog: &Vec<SoupInstr>) -> Graph {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_raw_prog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BlockInstr`
[INFO] [stdout]  --> src/graph.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum BlockInstr {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BlockId`
[INFO] [stdout]   --> src/graph.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | type BlockId = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Terminator`
[INFO] [stdout]   --> src/graph.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum Terminator {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]   --> src/graph.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Block {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Graph`
[INFO] [stdout]   --> src/graph.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Graph {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grahify`
[INFO] [stdout]   --> src/graph.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn grahify(raw_prog: &Vec<SoupInstr>) -> Graph {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]   --> src/main.rs:33:2
[INFO] [stdout]    |
[INFO] [stdout] 33 |     path: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "cd2d39079937580fe581cbb3df38885cc231a90d4f5c610060eee4785997d25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2d39079937580fe581cbb3df38885cc231a90d4f5c610060eee4785997d25a", kill_on_drop: false }`
[INFO] [stdout] cd2d39079937580fe581cbb3df38885cc231a90d4f5c610060eee4785997d25a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e66145aafe7d93e4f4530b43a82325d815ae1a8900013f828b6dfcab17aa0116
[INFO] running `Command { std: "docker" "start" "-a" "e66145aafe7d93e4f4530b43a82325d815ae1a8900013f828b6dfcab17aa0116", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling xxbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `raw_prog`
[INFO] [stdout]   --> src/graph.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn grahify(raw_prog: &Vec<SoupInstr>) -> Graph {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_raw_prog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BlockInstr`
[INFO] [stdout]  --> src/graph.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum BlockInstr {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BlockId`
[INFO] [stdout]   --> src/graph.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | type BlockId = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Terminator`
[INFO] [stdout]   --> src/graph.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum Terminator {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]   --> src/graph.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Block {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Graph`
[INFO] [stdout]   --> src/graph.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Graph {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grahify`
[INFO] [stdout]   --> src/graph.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn grahify(raw_prog: &Vec<SoupInstr>) -> Graph {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]   --> src/main.rs:33:2
[INFO] [stdout]    |
[INFO] [stdout] 33 |     path: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "e66145aafe7d93e4f4530b43a82325d815ae1a8900013f828b6dfcab17aa0116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66145aafe7d93e4f4530b43a82325d815ae1a8900013f828b6dfcab17aa0116", kill_on_drop: false }`
[INFO] [stdout] e66145aafe7d93e4f4530b43a82325d815ae1a8900013f828b6dfcab17aa0116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c46ad4ebbf596cb973aa7ff043a99371527a5a86410aec0327fafc22a7f91bdc
[INFO] running `Command { std: "docker" "start" "-a" "c46ad4ebbf596cb973aa7ff043a99371527a5a86410aec0327fafc22a7f91bdc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `raw_prog`
[INFO] [stderr]   --> src/graph.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn grahify(raw_prog: &Vec<SoupInstr>) -> Graph {
[INFO] [stderr]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_raw_prog`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `BlockInstr`
[INFO] [stderr]  --> src/graph.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | enum BlockInstr {
[INFO] [stderr]   |      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `BlockId`
[INFO] [stderr]   --> src/graph.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | type BlockId = u64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Terminator`
[INFO] [stderr]   --> src/graph.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | enum Terminator {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Block`
[INFO] [stderr]   --> src/graph.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct Block {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Graph`
[INFO] [stderr]   --> src/graph.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct Graph {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `grahify`
[INFO] [stderr]   --> src/graph.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn grahify(raw_prog: &Vec<SoupInstr>) -> Graph {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `path`
[INFO] [stderr]   --> src/main.rs:33:2
[INFO] [stderr]    |
[INFO] [stderr] 33 |     path: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `xxbf` (bin "xxbf" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xxbf-3413a07c318014a4)
[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" "c46ad4ebbf596cb973aa7ff043a99371527a5a86410aec0327fafc22a7f91bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46ad4ebbf596cb973aa7ff043a99371527a5a86410aec0327fafc22a7f91bdc", kill_on_drop: false }`
[INFO] [stdout] c46ad4ebbf596cb973aa7ff043a99371527a5a86410aec0327fafc22a7f91bdc