[INFO] cloning repository https://github.com/Fi3/stratum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fi3/stratum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fstratum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fstratum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 553ada862025c88f47862c907bbeb1c3dd12c0f8
[INFO] testing Fi3/stratum against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fstratum" "/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/Fi3/stratum on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fi3/stratum
[INFO] finished tweaking git repo https://github.com/Fi3/stratum
[INFO] tweaked toml for git repo https://github.com/Fi3/stratum written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Fi3/stratum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74544c21fd9238f9370b5580a9a8a6707682ef483bdffc27a1b9182af852af81
[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" "74544c21fd9238f9370b5580a9a8a6707682ef483bdffc27a1b9182af852af81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74544c21fd9238f9370b5580a9a8a6707682ef483bdffc27a1b9182af852af81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74544c21fd9238f9370b5580a9a8a6707682ef483bdffc27a1b9182af852af81", kill_on_drop: false }`
[INFO] [stdout] 74544c21fd9238f9370b5580a9a8a6707682ef483bdffc27a1b9182af852af81
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e90b5b7a77d74853308e4c770207642d4562e90d23d25ebd30d092de31487668
[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" "e90b5b7a77d74853308e4c770207642d4562e90d23d25ebd30d092de31487668", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling futures-core v0.3.9
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.3
[INFO] [stderr]    Compiling futures-io v0.3.9
[INFO] [stderr]    Compiling cbindgen v0.16.0
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling bitcoin_hashes v0.3.2
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling v1 v0.1.0 (/opt/rustwide/workdir/protocols/v1)
[INFO] [stdout] warning: field is never read: `hw_version`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:610:5
[INFO] [stdout]     |
[INFO] [stdout] 610 |     hw_version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sw_version`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:611:5
[INFO] [stdout]     |
[INFO] [stdout] 611 |     sw_version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hw_id`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:612:5
[INFO] [stdout]     |
[INFO] [stdout] 612 |     hw_id: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling client_and_server v0.1.0 (/opt/rustwide/workdir/protocols/v1/examples/client-and-server)
[INFO] [stdout] warning: associated function is never used: `restore_subscribe`
[INFO] [stdout]    --> protocols/v1/examples/client-and-server/src/main.rs:338:18
[INFO] [stdout]     |
[INFO] [stdout] 338 |     pub async fn restore_subscribe(&mut self) {
[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]    Compiling guix-example v0.1.0 (/opt/rustwide/workdir/protocols/guix-example)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "e90b5b7a77d74853308e4c770207642d4562e90d23d25ebd30d092de31487668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90b5b7a77d74853308e4c770207642d4562e90d23d25ebd30d092de31487668", kill_on_drop: false }`
[INFO] [stdout] e90b5b7a77d74853308e4c770207642d4562e90d23d25ebd30d092de31487668
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d222fbb56125e64c9c660a53d70fa0d30609de0e3954370387f76da97d1398e2
[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" "d222fbb56125e64c9c660a53d70fa0d30609de0e3954370387f76da97d1398e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling client_and_server v0.1.0 (/opt/rustwide/workdir/protocols/v1/examples/client-and-server)
[INFO] [stdout] warning: field is never read: `hw_version`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:610:5
[INFO] [stdout]     |
[INFO] [stdout] 610 |     hw_version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sw_version`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:611:5
[INFO] [stdout]     |
[INFO] [stdout] 611 |     sw_version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hw_id`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:612:5
[INFO] [stdout]     |
[INFO] [stdout] 612 |     hw_id: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling guix-example v0.1.0 (/opt/rustwide/workdir/protocols/guix-example)
[INFO] [stdout] warning: associated function is never used: `restore_subscribe`
[INFO] [stdout]    --> protocols/v1/examples/client-and-server/src/main.rs:338:18
[INFO] [stdout]     |
[INFO] [stdout] 338 |     pub async fn restore_subscribe(&mut self) {
[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]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling v1 v0.1.0 (/opt/rustwide/workdir/protocols/v1)
[INFO] [stdout] warning: field is never read: `hw_version`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:610:5
[INFO] [stdout]     |
[INFO] [stdout] 610 |     hw_version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sw_version`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:611:5
[INFO] [stdout]     |
[INFO] [stdout] 611 |     sw_version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hw_id`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:612:5
[INFO] [stdout]     |
[INFO] [stdout] 612 |     hw_id: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.84s
[INFO] running `Command { std: "docker" "inspect" "d222fbb56125e64c9c660a53d70fa0d30609de0e3954370387f76da97d1398e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d222fbb56125e64c9c660a53d70fa0d30609de0e3954370387f76da97d1398e2", kill_on_drop: false }`
[INFO] [stdout] d222fbb56125e64c9c660a53d70fa0d30609de0e3954370387f76da97d1398e2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 443db2d987d54ab7813194bad3734d35aaddec2426bd407ac75281a587f6aa40
[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" "443db2d987d54ab7813194bad3734d35aaddec2426bd407ac75281a587f6aa40", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `hw_version`
[INFO] [stderr]    --> protocols/v1/src/methods/client_to_server.rs:610:5
[INFO] [stderr]     |
[INFO] [stderr] 610 |     hw_version: Option<String>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sw_version`
[INFO] [stderr]    --> protocols/v1/src/methods/client_to_server.rs:611:5
[INFO] [stderr]     |
[INFO] [stderr] 611 |     sw_version: Option<String>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hw_id`
[INFO] [stderr]    --> protocols/v1/src/methods/client_to_server.rs:612:5
[INFO] [stderr]     |
[INFO] [stderr] 612 |     hw_id: Option<String>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `v1` (lib) generated 3 warnings
[INFO] [stderr] warning: `v1` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: associated function is never used: `restore_subscribe`
[INFO] [stderr]    --> protocols/v1/examples/client-and-server/src/main.rs:338:18
[INFO] [stderr]     |
[INFO] [stderr] 338 |     pub async fn restore_subscribe(&mut self) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `client_and_server` (bin "client_and_server" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client_and_server-3ac6388c9d082ccb)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guix_example-6f0a592b228b1cd9)
[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]      Running unittests (/opt/rustwide/target/debug/deps/v1-1b5e146f2d3cccb8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test methods::client_to_server::from_to_json_rpc ... ok
[INFO] [stderr]    Doc-tests guix-example
[INFO] [stdout] test methods::client_to_server::submit_from_to_json_rpc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests v1
[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" "443db2d987d54ab7813194bad3734d35aaddec2426bd407ac75281a587f6aa40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443db2d987d54ab7813194bad3734d35aaddec2426bd407ac75281a587f6aa40", kill_on_drop: false }`
[INFO] [stdout] 443db2d987d54ab7813194bad3734d35aaddec2426bd407ac75281a587f6aa40