[INFO] fetching crate leap_client_rs 0.1.5...
[INFO] checking leap_client_rs-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate leap_client_rs 0.1.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate leap_client_rs 0.1.5 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 crates.io crate leap_client_rs 0.1.5
[INFO] finished tweaking crates.io crate leap_client_rs 0.1.5
[INFO] tweaked toml for crates.io crate leap_client_rs 0.1.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate leap_client_rs 0.1.5 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 async-trait v0.1.73
[INFO] [stderr]   Downloaded serde_repr v0.1.16
[INFO] [stderr]   Downloaded async-compression v0.4.3
[INFO] [stderr]   Downloaded rustls-webpki v0.101.6
[INFO] [stderr]   Downloaded fern v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 51fac13d0f77a8b6521b395f19bf868adcc71b72b8f4ad76a8ba0bb8e12bb12e
[INFO] running `Command { std: "docker" "start" "-a" "51fac13d0f77a8b6521b395f19bf868adcc71b72b8f4ad76a8ba0bb8e12bb12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51fac13d0f77a8b6521b395f19bf868adcc71b72b8f4ad76a8ba0bb8e12bb12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fac13d0f77a8b6521b395f19bf868adcc71b72b8f4ad76a8ba0bb8e12bb12e", kill_on_drop: false }`
[INFO] [stdout] 51fac13d0f77a8b6521b395f19bf868adcc71b72b8f4ad76a8ba0bb8e12bb12e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9fe7af5d18dbc01a118cc01c13205fbd52a6f5b73d1728c7a032330308252080
[INFO] running `Command { std: "docker" "start" "-a" "9fe7af5d18dbc01a118cc01c13205fbd52a6f5b73d1728c7a032330308252080", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling leap_client_rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking async-compression v0.4.3
[INFO] [stderr]     Checking async-tungstenite v0.23.0
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stdout] warning: field `latency` is never read
[INFO] [stdout]   --> src/manager/types.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ShardRunnerInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub latency: Option<Duration>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ShardRunnerInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `latency` is never read
[INFO] [stdout]   --> src/manager/types.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ShardRunnerInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub latency: Option<Duration>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ShardRunnerInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.73s
[INFO] running `Command { std: "docker" "inspect" "9fe7af5d18dbc01a118cc01c13205fbd52a6f5b73d1728c7a032330308252080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe7af5d18dbc01a118cc01c13205fbd52a6f5b73d1728c7a032330308252080", kill_on_drop: false }`
[INFO] [stdout] 9fe7af5d18dbc01a118cc01c13205fbd52a6f5b73d1728c7a032330308252080
[INFO] checking leap_client_rs-0.1.5 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate leap_client_rs 0.1.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate leap_client_rs 0.1.5 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 crates.io crate leap_client_rs 0.1.5
[INFO] finished tweaking crates.io crate leap_client_rs 0.1.5
[INFO] tweaked toml for crates.io crate leap_client_rs 0.1.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate leap_client_rs 0.1.5 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 69b44fea9dd9d3de5c5ed96107332241b1228b650df87af268a46e0e25830399
[INFO] running `Command { std: "docker" "start" "-a" "69b44fea9dd9d3de5c5ed96107332241b1228b650df87af268a46e0e25830399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69b44fea9dd9d3de5c5ed96107332241b1228b650df87af268a46e0e25830399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b44fea9dd9d3de5c5ed96107332241b1228b650df87af268a46e0e25830399", kill_on_drop: false }`
[INFO] [stdout] 69b44fea9dd9d3de5c5ed96107332241b1228b650df87af268a46e0e25830399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ac5ae1c6c8cb62fca1c5abb75190c1b118ae8f99dd69728a0c776db5d04affa7
[INFO] running `Command { std: "docker" "start" "-a" "ac5ae1c6c8cb62fca1c5abb75190c1b118ae8f99dd69728a0c776db5d04affa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling leap_client_rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking async-compression v0.4.3
[INFO] [stderr]     Checking async-tungstenite v0.23.0
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stdout] warning: field `latency` is never read
[INFO] [stdout]   --> src/manager/types.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ShardRunnerInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub latency: Option<Duration>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ShardRunnerInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: field `latency` is never read
[INFO] [stdout]   --> src/manager/types.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ShardRunnerInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub latency: Option<Duration>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ShardRunnerInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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` profile [unoptimized + debuginfo] target(s) in 17.68s
[INFO] running `Command { std: "docker" "inspect" "ac5ae1c6c8cb62fca1c5abb75190c1b118ae8f99dd69728a0c776db5d04affa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5ae1c6c8cb62fca1c5abb75190c1b118ae8f99dd69728a0c776db5d04affa7", kill_on_drop: false }`
[INFO] [stdout] ac5ae1c6c8cb62fca1c5abb75190c1b118ae8f99dd69728a0c776db5d04affa7