[INFO] cloning repository https://github.com/brecert/a2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brecert/a2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrecert%2Fa2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrecert%2Fa2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adadeeaf611f4e713924427b30e8122c94f61f23
[INFO] testing brecert/a2048 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrecert%2Fa2048" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brecert/a2048 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brecert/a2048
[INFO] finished tweaking git repo https://github.com/brecert/a2048
[INFO] tweaked toml for git repo https://github.com/brecert/a2048 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/brecert/a2048 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/brecert/grid`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded paste v1.0.6
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded argh_shared v0.1.6
[INFO] [stderr]   Downloaded argh_derive v0.1.6
[INFO] [stderr]   Downloaded libc v0.2.107
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded argh v0.1.6
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f43cd613fecfd9f67674f162dedb08b4fe67e7c5730ecbe09b9f1cd898c6ea80
[INFO] running `Command { std: "docker" "start" "-a" "f43cd613fecfd9f67674f162dedb08b4fe67e7c5730ecbe09b9f1cd898c6ea80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f43cd613fecfd9f67674f162dedb08b4fe67e7c5730ecbe09b9f1cd898c6ea80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43cd613fecfd9f67674f162dedb08b4fe67e7c5730ecbe09b9f1cd898c6ea80", kill_on_drop: false }`
[INFO] [stdout] f43cd613fecfd9f67674f162dedb08b4fe67e7c5730ecbe09b9f1cd898c6ea80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6f9737c53e0dd7a5d7db8c390a4b3380f932aeb3852d23acc0c4c2d056aec7c
[INFO] running `Command { std: "docker" "start" "-a" "e6f9737c53e0dd7a5d7db8c390a4b3380f932aeb3852d23acc0c4c2d056aec7c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling grid v0.5.1-alpha.0 (https://github.com/brecert/grid#4b840059)
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]    Compiling argh v0.1.6
[INFO] [stderr]    Compiling a2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.01s
[INFO] running `Command { std: "docker" "inspect" "e6f9737c53e0dd7a5d7db8c390a4b3380f932aeb3852d23acc0c4c2d056aec7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f9737c53e0dd7a5d7db8c390a4b3380f932aeb3852d23acc0c4c2d056aec7c", kill_on_drop: false }`
[INFO] [stdout] e6f9737c53e0dd7a5d7db8c390a4b3380f932aeb3852d23acc0c4c2d056aec7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9a6178a52c313ce8095e720869b2a5994f47a65fe167f79f571d4d9497c7c47
[INFO] running `Command { std: "docker" "start" "-a" "a9a6178a52c313ce8095e720869b2a5994f47a65fe167f79f571d4d9497c7c47", kill_on_drop: false }`
[INFO] [stderr]    Compiling a2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "a9a6178a52c313ce8095e720869b2a5994f47a65fe167f79f571d4d9497c7c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a6178a52c313ce8095e720869b2a5994f47a65fe167f79f571d4d9497c7c47", kill_on_drop: false }`
[INFO] [stdout] a9a6178a52c313ce8095e720869b2a5994f47a65fe167f79f571d4d9497c7c47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14c07c9be886e107d3a0c30b91da2949691e5264ae8d136c1f63d61177e0e9ad
[INFO] running `Command { std: "docker" "start" "-a" "14c07c9be886e107d3a0c30b91da2949691e5264ae8d136c1f63d61177e0e9ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a2048-067da19ffb9f51dc)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a2048-548015fe9e774889)
[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]    Doc-tests a2048
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - merge_2048 (line 45) ... ok
[INFO] [stdout] test src/lib.rs - sort_zeros (line 20) ... ok
[INFO] [stdout] test src/lib.rs - sort_zeros (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14c07c9be886e107d3a0c30b91da2949691e5264ae8d136c1f63d61177e0e9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c07c9be886e107d3a0c30b91da2949691e5264ae8d136c1f63d61177e0e9ad", kill_on_drop: false }`
[INFO] [stdout] 14c07c9be886e107d3a0c30b91da2949691e5264ae8d136c1f63d61177e0e9ad