[INFO] fetching crate chess_dl 0.3.3...
[INFO] testing chess_dl-0.3.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate chess_dl 0.3.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate chess_dl 0.3.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chess_dl 0.3.3
[INFO] finished tweaking crates.io crate chess_dl 0.3.3
[INFO] tweaked toml for crates.io crate chess_dl 0.3.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate chess_dl 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 30fe6c48781fe95edf186503ff8e3b58bd9fed527f6bbc1890f7662c1106086d
[INFO] running `Command { std: "docker" "start" "-a" "30fe6c48781fe95edf186503ff8e3b58bd9fed527f6bbc1890f7662c1106086d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30fe6c48781fe95edf186503ff8e3b58bd9fed527f6bbc1890f7662c1106086d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30fe6c48781fe95edf186503ff8e3b58bd9fed527f6bbc1890f7662c1106086d", kill_on_drop: false }`
[INFO] [stdout] 30fe6c48781fe95edf186503ff8e3b58bd9fed527f6bbc1890f7662c1106086d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ee10c70c9af47d9ad4f493f2b0a1b2ad5580dc3a5be3ebfe39d33282b5d3d2b
[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" "3ee10c70c9af47d9ad4f493f2b0a1b2ad5580dc3a5be3ebfe39d33282b5d3d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling peg v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling hyper v0.14.9
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling chess_dl v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `DAILY`
[INFO] [stdout]   --> src/types.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DAILY,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2m 26s
[INFO] running `Command { std: "docker" "inspect" "3ee10c70c9af47d9ad4f493f2b0a1b2ad5580dc3a5be3ebfe39d33282b5d3d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee10c70c9af47d9ad4f493f2b0a1b2ad5580dc3a5be3ebfe39d33282b5d3d2b", kill_on_drop: false }`
[INFO] [stdout] 3ee10c70c9af47d9ad4f493f2b0a1b2ad5580dc3a5be3ebfe39d33282b5d3d2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38cc9b60eb1cacbbbd90f4b20bcfa47d5a4dfe7569e7b5d2538c890c23faed0f
[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" "38cc9b60eb1cacbbbd90f4b20bcfa47d5a4dfe7569e7b5d2538c890c23faed0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess_dl v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `DAILY`
[INFO] [stdout]   --> src/types.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DAILY,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1.60s
[INFO] running `Command { std: "docker" "inspect" "38cc9b60eb1cacbbbd90f4b20bcfa47d5a4dfe7569e7b5d2538c890c23faed0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cc9b60eb1cacbbbd90f4b20bcfa47d5a4dfe7569e7b5d2538c890c23faed0f", kill_on_drop: false }`
[INFO] [stdout] 38cc9b60eb1cacbbbd90f4b20bcfa47d5a4dfe7569e7b5d2538c890c23faed0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59b289f9e296cd2935fdea02f52f863cf80e398428d01ee7daed02c6653de357
[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" "59b289f9e296cd2935fdea02f52f863cf80e398428d01ee7daed02c6653de357", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `DAILY`
[INFO] [stderr]   --> src/types.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     DAILY,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chess_dl` (bin "chess_dl" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess_dl-7ef3636695cb958d)
[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] running `Command { std: "docker" "inspect" "59b289f9e296cd2935fdea02f52f863cf80e398428d01ee7daed02c6653de357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b289f9e296cd2935fdea02f52f863cf80e398428d01ee7daed02c6653de357", kill_on_drop: false }`
[INFO] [stdout] 59b289f9e296cd2935fdea02f52f863cf80e398428d01ee7daed02c6653de357