[INFO] cloning repository https://github.com/mkaufmann/buddhabrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkaufmann/buddhabrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaufmann%2Fbuddhabrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaufmann%2Fbuddhabrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0000c5b5ae7afa83c33a322c285baa5fb70278bd
[INFO] testing mkaufmann/buddhabrot against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaufmann%2Fbuddhabrot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkaufmann/buddhabrot 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/mkaufmann/buddhabrot
[INFO] finished tweaking git repo https://github.com/mkaufmann/buddhabrot
[INFO] tweaked toml for git repo https://github.com/mkaufmann/buddhabrot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mkaufmann/buddhabrot 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-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" "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] a08189761b5531e149ba7b4300388d8c0d436698b0ff5a35a092653f52359350
[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" "a08189761b5531e149ba7b4300388d8c0d436698b0ff5a35a092653f52359350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a08189761b5531e149ba7b4300388d8c0d436698b0ff5a35a092653f52359350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08189761b5531e149ba7b4300388d8c0d436698b0ff5a35a092653f52359350", kill_on_drop: false }`
[INFO] [stdout] a08189761b5531e149ba7b4300388d8c0d436698b0ff5a35a092653f52359350
[INFO] running `Command { std: "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" "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] b66eb0584edb9fe3e9affbc65956978011fae5d1f19a23f6be26b81d5e35f7de
[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" "b66eb0584edb9fe3e9affbc65956978011fae5d1f19a23f6be26b81d5e35f7de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling inflate v0.4.4
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling buddhabrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:82:69
[INFO] [stdout]    |
[INFO] [stdout] 82 |         Err(why) => panic!("couldn't open '{}': {}", file_name, why.description()),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 50.13s
[INFO] running `Command { std: "docker" "inspect" "b66eb0584edb9fe3e9affbc65956978011fae5d1f19a23f6be26b81d5e35f7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66eb0584edb9fe3e9affbc65956978011fae5d1f19a23f6be26b81d5e35f7de", kill_on_drop: false }`
[INFO] [stdout] b66eb0584edb9fe3e9affbc65956978011fae5d1f19a23f6be26b81d5e35f7de
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12d90f6d10806b799dc00bf338a7f6322fc27d1e9c9dedc0a94f6b176418da0d
[INFO] running `Command { std: "docker" "start" "-a" "12d90f6d10806b799dc00bf338a7f6322fc27d1e9c9dedc0a94f6b176418da0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling buddhabrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:82:69
[INFO] [stdout]    |
[INFO] [stdout] 82 |         Err(why) => panic!("couldn't open '{}': {}", file_name, why.description()),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "12d90f6d10806b799dc00bf338a7f6322fc27d1e9c9dedc0a94f6b176418da0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d90f6d10806b799dc00bf338a7f6322fc27d1e9c9dedc0a94f6b176418da0d", kill_on_drop: false }`
[INFO] [stdout] 12d90f6d10806b799dc00bf338a7f6322fc27d1e9c9dedc0a94f6b176418da0d
[INFO] running `Command { std: "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" "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] e88575c57b48d576d6b65dd9dcff11f7e258054429a8c42ba0e26391fafe6b7f
[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" "e88575c57b48d576d6b65dd9dcff11f7e258054429a8c42ba0e26391fafe6b7f", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:82:69
[INFO] [stderr]    |
[INFO] [stderr] 82 |         Err(why) => panic!("couldn't open '{}': {}", file_name, why.description()),
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buddhabrot-7f9709ad1f8046d8
[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" "e88575c57b48d576d6b65dd9dcff11f7e258054429a8c42ba0e26391fafe6b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88575c57b48d576d6b65dd9dcff11f7e258054429a8c42ba0e26391fafe6b7f", kill_on_drop: false }`
[INFO] [stdout] e88575c57b48d576d6b65dd9dcff11f7e258054429a8c42ba0e26391fafe6b7f