[INFO] fetching crate backon 0.4.1...
[INFO] checking backon-0.4.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate backon 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate backon 0.4.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate backon 0.4.1
[INFO] finished tweaking crates.io crate backon 0.4.1
[INFO] tweaked toml for crates.io crate backon 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate backon 0.4.1 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded futures-util v0.3.24
[INFO] [stderr]   Downloaded futures-channel v0.3.24
[INFO] [stderr]   Downloaded anyhow v1.0.64
[INFO] [stderr]   Downloaded futures-task v0.3.24
[INFO] [stderr]   Downloaded lock_api v0.4.8
[INFO] [stderr]   Downloaded futures-sink v0.3.24
[INFO] [stderr]   Downloaded tokio v1.21.0
[INFO] [stderr]   Downloaded once_cell v1.14.0
[INFO] [stderr]   Downloaded smallvec v1.9.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.3
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33a18853a2046a93592232095d82a67d3d594c3cc887a5c067068ea6d54cf0e7
[INFO] running `Command { std: "docker" "start" "-a" "33a18853a2046a93592232095d82a67d3d594c3cc887a5c067068ea6d54cf0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33a18853a2046a93592232095d82a67d3d594c3cc887a5c067068ea6d54cf0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a18853a2046a93592232095d82a67d3d594c3cc887a5c067068ea6d54cf0e7", kill_on_drop: false }`
[INFO] [stdout] 33a18853a2046a93592232095d82a67d3d594c3cc887a5c067068ea6d54cf0e7
[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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 371f33100b8e62ebf6f085595f411b9c621532950bab67fa49a2285a751c6e21
[INFO] running `Command { std: "docker" "start" "-a" "371f33100b8e62ebf6f085595f411b9c621532950bab67fa49a2285a751c6e21", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking backon v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "371f33100b8e62ebf6f085595f411b9c621532950bab67fa49a2285a751c6e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371f33100b8e62ebf6f085595f411b9c621532950bab67fa49a2285a751c6e21", kill_on_drop: false }`
[INFO] [stdout] 371f33100b8e62ebf6f085595f411b9c621532950bab67fa49a2285a751c6e21
[INFO] checking backon-0.4.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate backon 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate backon 0.4.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate backon 0.4.1
[INFO] finished tweaking crates.io crate backon 0.4.1
[INFO] tweaked toml for crates.io crate backon 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate backon 0.4.1 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" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 799be5557f39d2b967f2fd9b21fabca0c2b0dad6be260f4684c1f40cf76446c2
[INFO] running `Command { std: "docker" "start" "-a" "799be5557f39d2b967f2fd9b21fabca0c2b0dad6be260f4684c1f40cf76446c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "799be5557f39d2b967f2fd9b21fabca0c2b0dad6be260f4684c1f40cf76446c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799be5557f39d2b967f2fd9b21fabca0c2b0dad6be260f4684c1f40cf76446c2", kill_on_drop: false }`
[INFO] [stdout] 799be5557f39d2b967f2fd9b21fabca0c2b0dad6be260f4684c1f40cf76446c2
[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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 0627a28a894265715ceb8cd2f835ab3405bcbc0b02360c45057652da17892cb2
[INFO] running `Command { std: "docker" "start" "-a" "0627a28a894265715ceb8cd2f835ab3405bcbc0b02360c45057652da17892cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking backon v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "0627a28a894265715ceb8cd2f835ab3405bcbc0b02360c45057652da17892cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0627a28a894265715ceb8cd2f835ab3405bcbc0b02360c45057652da17892cb2", kill_on_drop: false }`
[INFO] [stdout] 0627a28a894265715ceb8cd2f835ab3405bcbc0b02360c45057652da17892cb2
