[INFO] cloning repository https://github.com/SamiKalliomaki/freebck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamiKalliomaki/freebck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamiKalliomaki%2Ffreebck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamiKalliomaki%2Ffreebck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7694fdcd294b6dc067f21e63519e587e1c4dd742
[INFO] checking SamiKalliomaki/freebck against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamiKalliomaki%2Ffreebck" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SamiKalliomaki/freebck 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/SamiKalliomaki/freebck
[INFO] finished tweaking git repo https://github.com/SamiKalliomaki/freebck
[INFO] tweaked toml for git repo https://github.com/SamiKalliomaki/freebck written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SamiKalliomaki/freebck 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 test-log-macros v0.2.14
[INFO] [stderr]   Downloaded prost-derive v0.12.3
[INFO] [stderr]   Downloaded prost-build v0.12.3
[INFO] [stderr]   Downloaded test-log v0.2.14
[INFO] [stderr]   Downloaded clap_builder v4.4.16
[INFO] [stderr]   Downloaded clap v4.4.16
[INFO] [stderr]   Downloaded prost v0.12.3
[INFO] [stderr]   Downloaded prost-types v0.12.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] eeffa67cd31600f92ffd355856ca77115b4da0fa8134e719927ee1f2466d60ed
[INFO] running `Command { std: "docker" "start" "-a" "eeffa67cd31600f92ffd355856ca77115b4da0fa8134e719927ee1f2466d60ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeffa67cd31600f92ffd355856ca77115b4da0fa8134e719927ee1f2466d60ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeffa67cd31600f92ffd355856ca77115b4da0fa8134e719927ee1f2466d60ed", kill_on_drop: false }`
[INFO] [stdout] eeffa67cd31600f92ffd355856ca77115b4da0fa8134e719927ee1f2466d60ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fac49cc9cb7a1a2d0e2bba713ce042d42e71133d912992d2f076aaabc7a7ac1b
[INFO] running `Command { std: "docker" "start" "-a" "fac49cc9cb7a1a2d0e2bba713ce042d42e71133d912992d2f076aaabc7a7ac1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking anstream v0.6.7
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]     Checking winnow v0.5.34
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking clap_builder v4.4.16
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling tempfile v3.9.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling async-recursion v1.0.5
[INFO] [stderr]    Compiling test-log-macros v0.2.14
[INFO] [stderr]     Checking test-log v0.2.14
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling prost v0.12.3
[INFO] [stderr]     Checking clap v4.4.16
[INFO] [stderr]    Compiling prost-types v0.12.3
[INFO] [stderr]    Compiling prost-build v0.12.3
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling freebck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stdout] warning: the item `test_log` is imported redundantly
[INFO] [stdout]  --> tests/backup.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use test_log::{self, test};
[INFO] [stdout]   |                ^^^^ the item `test_log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 36.51s
[INFO] running `Command { std: "docker" "inspect" "fac49cc9cb7a1a2d0e2bba713ce042d42e71133d912992d2f076aaabc7a7ac1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac49cc9cb7a1a2d0e2bba713ce042d42e71133d912992d2f076aaabc7a7ac1b", kill_on_drop: false }`
[INFO] [stdout] fac49cc9cb7a1a2d0e2bba713ce042d42e71133d912992d2f076aaabc7a7ac1b
[INFO] checking SamiKalliomaki/freebck against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamiKalliomaki%2Ffreebck" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SamiKalliomaki/freebck on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SamiKalliomaki/freebck
[INFO] finished tweaking git repo https://github.com/SamiKalliomaki/freebck
[INFO] tweaked toml for git repo https://github.com/SamiKalliomaki/freebck written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SamiKalliomaki/freebck 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e7796489dc08218f20fa5a72b71dcb3b0295908d50ac85c6f697b76156a164a
[INFO] running `Command { std: "docker" "start" "-a" "9e7796489dc08218f20fa5a72b71dcb3b0295908d50ac85c6f697b76156a164a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e7796489dc08218f20fa5a72b71dcb3b0295908d50ac85c6f697b76156a164a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7796489dc08218f20fa5a72b71dcb3b0295908d50ac85c6f697b76156a164a", kill_on_drop: false }`
[INFO] [stdout] 9e7796489dc08218f20fa5a72b71dcb3b0295908d50ac85c6f697b76156a164a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0f3d7de2dee362c17b4c9116ffb5db7e7429e6813d41c3332f54e7ce072c07a
[INFO] running `Command { std: "docker" "start" "-a" "c0f3d7de2dee362c17b4c9116ffb5db7e7429e6813d41c3332f54e7ce072c07a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking winnow v0.5.34
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking anstream v0.6.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking clap_builder v4.4.16
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling tempfile v3.9.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-recursion v1.0.5
[INFO] [stderr]    Compiling test-log-macros v0.2.14
[INFO] [stderr]     Checking test-log v0.2.14
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling prost v0.12.3
[INFO] [stderr]    Compiling prost-types v0.12.3
[INFO] [stderr]     Checking clap v4.4.16
[INFO] [stderr]    Compiling prost-build v0.12.3
[INFO] [stderr]    Compiling freebck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stdout] warning: the item `test_log` is imported redundantly
[INFO] [stdout]  --> tests/backup.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use test_log::{self, test};
[INFO] [stdout]   |                ^^^^ the item `test_log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 31.28s
[INFO] running `Command { std: "docker" "inspect" "c0f3d7de2dee362c17b4c9116ffb5db7e7429e6813d41c3332f54e7ce072c07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f3d7de2dee362c17b4c9116ffb5db7e7429e6813d41c3332f54e7ce072c07a", kill_on_drop: false }`
[INFO] [stdout] c0f3d7de2dee362c17b4c9116ffb5db7e7429e6813d41c3332f54e7ce072c07a