[INFO] cloning repository https://github.com/downtimes/synacor-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/downtimes/synacor-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowntimes%2Fsynacor-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowntimes%2Fsynacor-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f26341ae7355e02569588a5fd8122025db1fec88
[INFO] testing downtimes/synacor-challenge against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowntimes%2Fsynacor-challenge" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/downtimes/synacor-challenge on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/downtimes/synacor-challenge
[INFO] finished tweaking git repo https://github.com/downtimes/synacor-challenge
[INFO] tweaked toml for git repo https://github.com/downtimes/synacor-challenge written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/downtimes/synacor-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b768ac7264748c593258d116adad1b2c83d62991498bcd8aa59db87f6d2a1b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b768ac7264748c593258d116adad1b2c83d62991498bcd8aa59db87f6d2a1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b768ac7264748c593258d116adad1b2c83d62991498bcd8aa59db87f6d2a1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b768ac7264748c593258d116adad1b2c83d62991498bcd8aa59db87f6d2a1b8", kill_on_drop: false }`
[INFO] [stdout] 0b768ac7264748c593258d116adad1b2c83d62991498bcd8aa59db87f6d2a1b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b73f9fe611a8b44a5ea4ef3f7f8572bbff3e3471762864f649e4a430e8752719
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b73f9fe611a8b44a5ea4ef3f7f8572bbff3e3471762864f649e4a430e8752719", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling synacor-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:232:18
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 0...u15::MAX => WmWord::Constant(U15::from(*word)),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:236:25
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 u15::MAX...MAX_WM_WORD => WmWord::Register((word % (u15::MAX + 1)) as usize),
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/main.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 0...u15::MAX => WmWord::Constant(U15::from(*word)),
[INFO] [stdout]     |                 ------------ this range overlaps on `32767_u16`
[INFO] [stdout] ...
[INFO] [stdout] 236 |                 u15::MAX...MAX_WM_WORD => WmWord::Register((word % (u15::MAX + 1)) as usize),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "b73f9fe611a8b44a5ea4ef3f7f8572bbff3e3471762864f649e4a430e8752719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73f9fe611a8b44a5ea4ef3f7f8572bbff3e3471762864f649e4a430e8752719", kill_on_drop: false }`
[INFO] [stdout] b73f9fe611a8b44a5ea4ef3f7f8572bbff3e3471762864f649e4a430e8752719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94fb439f190f1d46323a57813a30e49f1e10dc594593e15213c8736265196948
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94fb439f190f1d46323a57813a30e49f1e10dc594593e15213c8736265196948", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling synacor-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:232:18
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 0...u15::MAX => WmWord::Constant(U15::from(*word)),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:236:25
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 u15::MAX...MAX_WM_WORD => WmWord::Register((word % (u15::MAX + 1)) as usize),
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/main.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 0...u15::MAX => WmWord::Constant(U15::from(*word)),
[INFO] [stdout]     |                 ------------ this range overlaps on `32767_u16`
[INFO] [stdout] ...
[INFO] [stdout] 236 |                 u15::MAX...MAX_WM_WORD => WmWord::Register((word % (u15::MAX + 1)) as usize),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "94fb439f190f1d46323a57813a30e49f1e10dc594593e15213c8736265196948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94fb439f190f1d46323a57813a30e49f1e10dc594593e15213c8736265196948", kill_on_drop: false }`
[INFO] [stdout] 94fb439f190f1d46323a57813a30e49f1e10dc594593e15213c8736265196948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b86f962ff4b301fde277ae0677f8a6bdd05b22fa1d47d971c957742a798575d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b86f962ff4b301fde277ae0677f8a6bdd05b22fa1d47d971c957742a798575d5", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:232:18
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 0...u15::MAX => WmWord::Constant(U15::from(*word)),
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 u15::MAX...MAX_WM_WORD => WmWord::Register((word % (u15::MAX + 1)) as usize),
[INFO] [stderr]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: multiple patterns covering the same range
[INFO] [stderr]    --> src/main.rs:236:17
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 0...u15::MAX => WmWord::Constant(U15::from(*word)),
[INFO] [stderr]     |                 ------------ this range overlaps on `32767_u16`
[INFO] [stderr] ...
[INFO] [stderr] 236 |                 u15::MAX...MAX_WM_WORD => WmWord::Register((word % (u15::MAX + 1)) as usize),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/u15-17083fd3d7a661a4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/coin_solver-920944002406d62f
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze-117799fe6f817df7
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]      Running /opt/rustwide/target/debug/deps/r7-fcb068bc5304df54
[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] [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] [stderr]      Running /opt/rustwide/target/debug/deps/synacor_challenge-a2a30e5d5c13200c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests u15
[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] [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 `Command { std: "docker" "inspect" "b86f962ff4b301fde277ae0677f8a6bdd05b22fa1d47d971c957742a798575d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86f962ff4b301fde277ae0677f8a6bdd05b22fa1d47d971c957742a798575d5", kill_on_drop: false }`
[INFO] [stdout] b86f962ff4b301fde277ae0677f8a6bdd05b22fa1d47d971c957742a798575d5