[INFO] fetching crate zeeper 1.2.2...
[INFO] checking zeeper-1.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate zeeper 1.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate zeeper 1.2.2 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 zeeper 1.2.2
[INFO] finished tweaking crates.io crate zeeper 1.2.2
[INFO] tweaked toml for crates.io crate zeeper 1.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate zeeper 1.2.2 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 clap v4.3.17
[INFO] [stderr]   Downloaded clap_builder v4.3.17
[INFO] [stderr]   Downloaded serde_derive v1.0.174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dbd9278809626e03d4c07b51a08040e13c6787e853042138fcd10fe9d3449385
[INFO] running `Command { std: "docker" "start" "-a" "dbd9278809626e03d4c07b51a08040e13c6787e853042138fcd10fe9d3449385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd9278809626e03d4c07b51a08040e13c6787e853042138fcd10fe9d3449385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd9278809626e03d4c07b51a08040e13c6787e853042138fcd10fe9d3449385", kill_on_drop: false }`
[INFO] [stdout] dbd9278809626e03d4c07b51a08040e13c6787e853042138fcd10fe9d3449385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8a70e9af092709f14c04eeb6d07254297e1b394e646c72d41ab7826dae98d76f
[INFO] running `Command { std: "docker" "start" "-a" "8a70e9af092709f14c04eeb6d07254297e1b394e646c72d41ab7826dae98d76f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.17
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking openssl v0.10.55
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking thiserror v1.0.44
[INFO] [stderr]     Checking clap v4.3.17
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking zeeper v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `Command { std: "docker" "inspect" "8a70e9af092709f14c04eeb6d07254297e1b394e646c72d41ab7826dae98d76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a70e9af092709f14c04eeb6d07254297e1b394e646c72d41ab7826dae98d76f", kill_on_drop: false }`
[INFO] [stdout] 8a70e9af092709f14c04eeb6d07254297e1b394e646c72d41ab7826dae98d76f
[INFO] checking zeeper-1.2.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate zeeper 1.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate zeeper 1.2.2 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 zeeper 1.2.2
[INFO] finished tweaking crates.io crate zeeper 1.2.2
[INFO] tweaked toml for crates.io crate zeeper 1.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate zeeper 1.2.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07f4b726fd6ec1fba2fd9e19a0948074a6558013b7de0461f47d4753874bc952
[INFO] running `Command { std: "docker" "start" "-a" "07f4b726fd6ec1fba2fd9e19a0948074a6558013b7de0461f47d4753874bc952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07f4b726fd6ec1fba2fd9e19a0948074a6558013b7de0461f47d4753874bc952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f4b726fd6ec1fba2fd9e19a0948074a6558013b7de0461f47d4753874bc952", kill_on_drop: false }`
[INFO] [stdout] 07f4b726fd6ec1fba2fd9e19a0948074a6558013b7de0461f47d4753874bc952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b89b5c031c2ff1ac7a243ef16d6950bc907e9b6fb6f0163ce994f96e243595ed
[INFO] running `Command { std: "docker" "start" "-a" "b89b5c031c2ff1ac7a243ef16d6950bc907e9b6fb6f0163ce994f96e243595ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.17
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking openssl v0.10.55
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking thiserror v1.0.44
[INFO] [stderr]     Checking clap v4.3.17
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking zeeper v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.13s
[INFO] running `Command { std: "docker" "inspect" "b89b5c031c2ff1ac7a243ef16d6950bc907e9b6fb6f0163ce994f96e243595ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89b5c031c2ff1ac7a243ef16d6950bc907e9b6fb6f0163ce994f96e243595ed", kill_on_drop: false }`
[INFO] [stdout] b89b5c031c2ff1ac7a243ef16d6950bc907e9b6fb6f0163ce994f96e243595ed