[INFO] cloning repository https://github.com/nlv8/agreed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nlv8/agreed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlv8%2Fagreed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlv8%2Fagreed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a10e4e19fa626c400ddd8619543e08db4b177cf
[INFO] checking nlv8/agreed against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlv8%2Fagreed" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nlv8/agreed on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nlv8/agreed
[INFO] finished tweaking git repo https://github.com/nlv8/agreed
[INFO] tweaked toml for git repo https://github.com/nlv8/agreed written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nlv8/agreed already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-executor v0.3.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c91756dd59763735db793a3b6b376fb4816db65919db71be38ecfd02332957e1
[INFO] running `Command { std: "docker" "start" "-a" "c91756dd59763735db793a3b6b376fb4816db65919db71be38ecfd02332957e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c91756dd59763735db793a3b6b376fb4816db65919db71be38ecfd02332957e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91756dd59763735db793a3b6b376fb4816db65919db71be38ecfd02332957e1", kill_on_drop: false }`
[INFO] [stdout] c91756dd59763735db793a3b6b376fb4816db65919db71be38ecfd02332957e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b35c672fc87da2451b8dbf58f6df68418642b0a2180c679fa7342d9dd72c3e9
[INFO] running `Command { std: "docker" "start" "-a" "3b35c672fc87da2451b8dbf58f6df68418642b0a2180c679fa7342d9dd72c3e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking agreed v1.1.0 (/opt/rustwide/workdir/agreed)
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stdout] warning: field `handle` is never read
[INFO] [stdout]   --> agreed/src/replication/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) struct ReplicationStream<D: AppData> {
[INFO] [stdout]    |                   ----------------- field in this struct
[INFO] [stdout] 20 |     /// The spawn handle the `ReplicationCore` task.
[INFO] [stdout] 21 |     pub handle: JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `handle` is never read
[INFO] [stdout]   --> agreed/src/replication/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) struct ReplicationStream<D: AppData> {
[INFO] [stdout]    |                   ----------------- field in this struct
[INFO] [stdout] 20 |     /// The spawn handle the `ReplicationCore` task.
[INFO] [stdout] 21 |     pub handle: JoinHandle<()>,
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking agreed-memstore v1.1.0 (/opt/rustwide/workdir/agreed-memstore)
[INFO] [stderr]     Checking agreed-integration-tests v1.1.0 (/opt/rustwide/workdir/agreed-integration-tests)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.94s
[INFO] running `Command { std: "docker" "inspect" "3b35c672fc87da2451b8dbf58f6df68418642b0a2180c679fa7342d9dd72c3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b35c672fc87da2451b8dbf58f6df68418642b0a2180c679fa7342d9dd72c3e9", kill_on_drop: false }`
[INFO] [stdout] 3b35c672fc87da2451b8dbf58f6df68418642b0a2180c679fa7342d9dd72c3e9
[INFO] checking nlv8/agreed against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlv8%2Fagreed" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nlv8/agreed on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nlv8/agreed
[INFO] finished tweaking git repo https://github.com/nlv8/agreed
[INFO] tweaked toml for git repo https://github.com/nlv8/agreed written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nlv8/agreed already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 559c71c96a707f101273b745df821b05f00e61c8b05aa86731dedc1d8e42140f
[INFO] running `Command { std: "docker" "start" "-a" "559c71c96a707f101273b745df821b05f00e61c8b05aa86731dedc1d8e42140f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "559c71c96a707f101273b745df821b05f00e61c8b05aa86731dedc1d8e42140f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559c71c96a707f101273b745df821b05f00e61c8b05aa86731dedc1d8e42140f", kill_on_drop: false }`
[INFO] [stdout] 559c71c96a707f101273b745df821b05f00e61c8b05aa86731dedc1d8e42140f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa5c39dadf3f53ed4c424caf17bd87ebb412030758a155aca970f7c00d5deb13
[INFO] running `Command { std: "docker" "start" "-a" "aa5c39dadf3f53ed4c424caf17bd87ebb412030758a155aca970f7c00d5deb13", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking agreed v1.1.0 (/opt/rustwide/workdir/agreed)
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stdout] warning: field `handle` is never read
[INFO] [stdout]   --> agreed/src/replication/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) struct ReplicationStream<D: AppData> {
[INFO] [stdout]    |                   ----------------- field in this struct
[INFO] [stdout] 20 |     /// The spawn handle the `ReplicationCore` task.
[INFO] [stdout] 21 |     pub handle: JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `handle` is never read
[INFO] [stdout]   --> agreed/src/replication/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) struct ReplicationStream<D: AppData> {
[INFO] [stdout]    |                   ----------------- field in this struct
[INFO] [stdout] 20 |     /// The spawn handle the `ReplicationCore` task.
[INFO] [stdout] 21 |     pub handle: JoinHandle<()>,
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking agreed-memstore v1.1.0 (/opt/rustwide/workdir/agreed-memstore)
[INFO] [stderr]     Checking agreed-integration-tests v1.1.0 (/opt/rustwide/workdir/agreed-integration-tests)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.64s
[INFO] running `Command { std: "docker" "inspect" "aa5c39dadf3f53ed4c424caf17bd87ebb412030758a155aca970f7c00d5deb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5c39dadf3f53ed4c424caf17bd87ebb412030758a155aca970f7c00d5deb13", kill_on_drop: false }`
[INFO] [stdout] aa5c39dadf3f53ed4c424caf17bd87ebb412030758a155aca970f7c00d5deb13