[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 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowntimes%2Fsynacor-challenge" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/downtimes/synacor-challenge on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d8393b17326e47bddc21adea8c0fd59061e599b00b1242646596c015ad5a5a3
[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" "3d8393b17326e47bddc21adea8c0fd59061e599b00b1242646596c015ad5a5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d8393b17326e47bddc21adea8c0fd59061e599b00b1242646596c015ad5a5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8393b17326e47bddc21adea8c0fd59061e599b00b1242646596c015ad5a5a3", kill_on_drop: false }`
[INFO] [stdout] 3d8393b17326e47bddc21adea8c0fd59061e599b00b1242646596c015ad5a5a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83616d47c9514741f653100b3653edfd47980f2c132b1d6a8abd9397058dd664
[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" "83616d47c9514741f653100b3653edfd47980f2c132b1d6a8abd9397058dd664", kill_on_drop: false }`
[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 1.43s
[INFO] running `Command { std: "docker" "inspect" "83616d47c9514741f653100b3653edfd47980f2c132b1d6a8abd9397058dd664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83616d47c9514741f653100b3653edfd47980f2c132b1d6a8abd9397058dd664", kill_on_drop: false }`
[INFO] [stdout] 83616d47c9514741f653100b3653edfd47980f2c132b1d6a8abd9397058dd664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e161219ccb1e27cbaca8dc5f5ffd97b9da335c6a1fcaff54c82c59faa63a1212
[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" "e161219ccb1e27cbaca8dc5f5ffd97b9da335c6a1fcaff54c82c59faa63a1212", kill_on_drop: false }`
[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 1.54s
[INFO] running `Command { std: "docker" "inspect" "e161219ccb1e27cbaca8dc5f5ffd97b9da335c6a1fcaff54c82c59faa63a1212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e161219ccb1e27cbaca8dc5f5ffd97b9da335c6a1fcaff54c82c59faa63a1212", kill_on_drop: false }`
[INFO] [stdout] e161219ccb1e27cbaca8dc5f5ffd97b9da335c6a1fcaff54c82c59faa63a1212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 488bb7eb767329bbb4efd0ada6dd980a874e4a554e0846b6ea2dbcd6bf9a4afb
[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" "488bb7eb767329bbb4efd0ada6dd980a874e4a554e0846b6ea2dbcd6bf9a4afb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/u15-03ef382c1933f25f
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/coin_solver-8cec99ceb9e256fa
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze-501a553b6e73ce71
[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] [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/r7-9ef72d9add8cd9c1
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/synacor_challenge-a178abaaea7a3413
[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]    Doc-tests u15
[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" "488bb7eb767329bbb4efd0ada6dd980a874e4a554e0846b6ea2dbcd6bf9a4afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488bb7eb767329bbb4efd0ada6dd980a874e4a554e0846b6ea2dbcd6bf9a4afb", kill_on_drop: false }`
[INFO] [stdout] 488bb7eb767329bbb4efd0ada6dd980a874e4a554e0846b6ea2dbcd6bf9a4afb
