[INFO] cloning repository https://github.com/atsmtat/lox-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atsmtat/lox-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatsmtat%2Flox-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatsmtat%2Flox-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 855cad798fa90d0a1457460de998778abeb33130
[INFO] testing atsmtat/lox-vm against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatsmtat%2Flox-vm" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atsmtat/lox-vm on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atsmtat/lox-vm
[INFO] finished tweaking git repo https://github.com/atsmtat/lox-vm
[INFO] tweaked toml for git repo https://github.com/atsmtat/lox-vm written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/atsmtat/lox-vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d79f26d1f86af97469e062764bb2ea3b8c9761865b3c78f7bbed801f4ebbdb48
[INFO] running `Command { std: "docker" "start" "-a" "d79f26d1f86af97469e062764bb2ea3b8c9761865b3c78f7bbed801f4ebbdb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d79f26d1f86af97469e062764bb2ea3b8c9761865b3c78f7bbed801f4ebbdb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79f26d1f86af97469e062764bb2ea3b8c9761865b3c78f7bbed801f4ebbdb48", kill_on_drop: false }`
[INFO] [stdout] d79f26d1f86af97469e062764bb2ea3b8c9761865b3c78f7bbed801f4ebbdb48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a634ec6e6860452a5426189f34edf1eac0744ca4c052e685d889bb7c20a79dde
[INFO] running `Command { std: "docker" "start" "-a" "a634ec6e6860452a5426189f34edf1eac0744ca4c052e685d889bb7c20a79dde", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling lox-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/error.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct RuntimeError {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 27 |     line: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "a634ec6e6860452a5426189f34edf1eac0744ca4c052e685d889bb7c20a79dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a634ec6e6860452a5426189f34edf1eac0744ca4c052e685d889bb7c20a79dde", kill_on_drop: false }`
[INFO] [stdout] a634ec6e6860452a5426189f34edf1eac0744ca4c052e685d889bb7c20a79dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a002a77b218d7a98a3c9afcadd13e714e941d371c8f60dd5cee9ae15c79b2608
[INFO] running `Command { std: "docker" "start" "-a" "a002a77b218d7a98a3c9afcadd13e714e941d371c8f60dd5cee9ae15c79b2608", kill_on_drop: false }`
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/error.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct RuntimeError {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 27 |     line: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lox-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/error.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct RuntimeError {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 27 |     line: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "a002a77b218d7a98a3c9afcadd13e714e941d371c8f60dd5cee9ae15c79b2608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a002a77b218d7a98a3c9afcadd13e714e941d371c8f60dd5cee9ae15c79b2608", kill_on_drop: false }`
[INFO] [stdout] a002a77b218d7a98a3c9afcadd13e714e941d371c8f60dd5cee9ae15c79b2608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] cab68c4a8a9ae7ee3659b5d5f7a0a23b0c0f376476ba609a56e1d256f2730a2a
[INFO] running `Command { std: "docker" "start" "-a" "cab68c4a8a9ae7ee3659b5d5f7a0a23b0c0f376476ba609a56e1d256f2730a2a", kill_on_drop: false }`
[INFO] [stderr] warning: field `line` is never read
[INFO] [stderr]   --> src/error.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct RuntimeError {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 27 |     line: u32,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lox-vm` (lib) generated 1 warning
[INFO] [stderr] warning: `lox-vm` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/lox_vm-c44d8b9f4afe218d)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/loxi-76564eba9dd8fb8c)
[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] [stderr]      Running tests/closure.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/closure-cd9aeab8172f55f0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_capture_close ... ok
[INFO] [stderr] error: test failed, to rerun pass `--test closure`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/closure-cd9aeab8172f55f0` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "cab68c4a8a9ae7ee3659b5d5f7a0a23b0c0f376476ba609a56e1d256f2730a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab68c4a8a9ae7ee3659b5d5f7a0a23b0c0f376476ba609a56e1d256f2730a2a", kill_on_drop: false }`
[INFO] [stdout] cab68c4a8a9ae7ee3659b5d5f7a0a23b0c0f376476ba609a56e1d256f2730a2a