[INFO] updating cached repository https://github.com/mfs/box
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3cef007c04a03b7abdb96611f209166ede476017
[INFO] testing mfs/box against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfs%2Fbox" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfs/box on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mfs/box
[INFO] finished tweaking git repo https://github.com/mfs/box
[INFO] tweaked toml for git repo https://github.com/mfs/box written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mfs/box already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd69ab6146914877da525fef9cb64890e44a78c2e120e12ec68bda1e0ba22796
[INFO] running `"docker" "start" "-a" "bd69ab6146914877da525fef9cb64890e44a78c2e120e12ec68bda1e0ba22796"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/assembler.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut reader = BufReader::new(f);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `INSTRUCTIONS`
[INFO] [stderr]   --> src/bin/assembler.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / const INSTRUCTIONS: &'static [&'static str] = &[
[INFO] [stderr] 8  | |     "nop", "jcn", "fim", "src", "fin", "jin", "jun", "jms", "inc", "isz", "add", "sub", "ld",
[INFO] [stderr] 9  | |     "xch", "bbl", "ldm", "wrm", "wmp", "wrr", "wr0", "wr1", "wr2", "wr3", "sbm", "rdm", "rdr",
[INFO] [stderr] 10 | |     "adm", "rd0", "rd1", "rd2", "rd3", "clb", "iac", "cmc", "cma", "ral", "rar", "tcc", "dac",
[INFO] [stderr] 11 | |     "tcs", "stc", "daa", "kbp", "dcl"
[INFO] [stderr] 12 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Token`
[INFO] [stderr]   --> src/bin/assembler.rs:14:6
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum Token {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cpu.rs:441:9
[INFO] [stderr]     |
[INFO] [stderr] 441 |         try!(write!(f, "acc: {:x} carry: {} pc: {:03x} pc stack: {:?}\n",
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cpu.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         try!(write!(f, "r{:02}: {:x} r{:02}: {:x}   r{:02}: {:x} r{:02}: {:x}   r{:02}: {:x} r{:02}: {:x}   r{:02}: {:x} r{:02}: {:x}\n",
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "bd69ab6146914877da525fef9cb64890e44a78c2e120e12ec68bda1e0ba22796"`
[INFO] running `"docker" "rm" "-f" "bd69ab6146914877da525fef9cb64890e44a78c2e120e12ec68bda1e0ba22796"`
[INFO] [stdout] bd69ab6146914877da525fef9cb64890e44a78c2e120e12ec68bda1e0ba22796
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 36ac6cc5f2d2fe8029b19a6852af862587b83d289a39fe839098d2fb4c421346
[INFO] running `"docker" "start" "-a" "36ac6cc5f2d2fe8029b19a6852af862587b83d289a39fe839098d2fb4c421346"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cpu.rs:441:9
[INFO] [stderr]     |
[INFO] [stderr] 441 |         try!(write!(f, "acc: {:x} carry: {} pc: {:03x} pc stack: {:?}\n",
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cpu.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         try!(write!(f, "r{:02}: {:x} r{:02}: {:x}   r{:02}: {:x} r{:02}: {:x}   r{:02}: {:x} r{:02}: {:x}   r{:02}: {:x} r{:02}: {:x}\n",
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/assembler.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut reader = BufReader::new(f);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `INSTRUCTIONS`
[INFO] [stderr]   --> src/bin/assembler.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / const INSTRUCTIONS: &'static [&'static str] = &[
[INFO] [stderr] 8  | |     "nop", "jcn", "fim", "src", "fin", "jin", "jun", "jms", "inc", "isz", "add", "sub", "ld",
[INFO] [stderr] 9  | |     "xch", "bbl", "ldm", "wrm", "wmp", "wrr", "wr0", "wr1", "wr2", "wr3", "sbm", "rdm", "rdr",
[INFO] [stderr] 10 | |     "adm", "rd0", "rd1", "rd2", "rd3", "clb", "iac", "cmc", "cma", "ral", "rar", "tcc", "dac",
[INFO] [stderr] 11 | |     "tcs", "stc", "daa", "kbp", "dcl"
[INFO] [stderr] 12 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Token`
[INFO] [stderr]   --> src/bin/assembler.rs:14:6
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum Token {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "36ac6cc5f2d2fe8029b19a6852af862587b83d289a39fe839098d2fb4c421346"`
[INFO] running `"docker" "rm" "-f" "36ac6cc5f2d2fe8029b19a6852af862587b83d289a39fe839098d2fb4c421346"`
[INFO] [stdout] 36ac6cc5f2d2fe8029b19a6852af862587b83d289a39fe839098d2fb4c421346
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] deff1efeb206fb70fb132f41931c54c23a7216e8ae7fe641d954cb433bdaf00d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "deff1efeb206fb70fb132f41931c54c23a7216e8ae7fe641d954cb433bdaf00d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cpu.rs:441:9
[INFO] [stderr]     |
[INFO] [stderr] 441 |         try!(write!(f, "acc: {:x} carry: {} pc: {:03x} pc stack: {:?}\n",
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cpu.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         try!(write!(f, "r{:02}: {:x} r{:02}: {:x}   r{:02}: {:x} r{:02}: {:x}   r{:02}: {:x} r{:02}: {:x}   r{:02}: {:x} r{:02}: {:x}\n",
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/assembler.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut reader = BufReader::new(f);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `INSTRUCTIONS`
[INFO] [stderr]   --> src/bin/assembler.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / const INSTRUCTIONS: &'static [&'static str] = &[
[INFO] [stderr] 8  | |     "nop", "jcn", "fim", "src", "fin", "jin", "jun", "jms", "inc", "isz", "add", "sub", "ld",
[INFO] [stderr] 9  | |     "xch", "bbl", "ldm", "wrm", "wmp", "wrr", "wr0", "wr1", "wr2", "wr3", "sbm", "rdm", "rdr",
[INFO] [stderr] 10 | |     "adm", "rd0", "rd1", "rd2", "rd3", "clb", "iac", "cmc", "cma", "ral", "rar", "tcc", "dac",
[INFO] [stderr] 11 | |     "tcs", "stc", "daa", "kbp", "dcl"
[INFO] [stderr] 12 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Token`
[INFO] [stderr]   --> src/bin/assembler.rs:14:6
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum Token {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assembler-90d72e21fb3f4fc9
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/box-712fdaa9fb9e3e61
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "deff1efeb206fb70fb132f41931c54c23a7216e8ae7fe641d954cb433bdaf00d"`
[INFO] running `"docker" "rm" "-f" "deff1efeb206fb70fb132f41931c54c23a7216e8ae7fe641d954cb433bdaf00d"`
[INFO] [stdout] deff1efeb206fb70fb132f41931c54c23a7216e8ae7fe641d954cb433bdaf00d