[INFO] cloning repository https://github.com/mstruebing/sback
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mstruebing/sback" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstruebing%2Fsback", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstruebing%2Fsback'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fcb923b75e8abcf0752b2ecfb8f6bf64266b83f
[INFO] checking mstruebing/sback against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstruebing%2Fsback" "/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/mstruebing/sback on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mstruebing/sback
[INFO] finished tweaking git repo https://github.com/mstruebing/sback
[INFO] tweaked toml for git repo https://github.com/mstruebing/sback written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mstruebing/sback 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4583de0d6314e450a5fb8d09209b33e3555b3123f1c20b33140ba4d1fd04df7
[INFO] running `Command { std: "docker" "start" "-a" "a4583de0d6314e450a5fb8d09209b33e3555b3123f1c20b33140ba4d1fd04df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4583de0d6314e450a5fb8d09209b33e3555b3123f1c20b33140ba4d1fd04df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4583de0d6314e450a5fb8d09209b33e3555b3123f1c20b33140ba4d1fd04df7", kill_on_drop: false }`
[INFO] [stdout] a4583de0d6314e450a5fb8d09209b33e3555b3123f1c20b33140ba4d1fd04df7
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b393b196d57109697068239d03d3402352b58e1beaa7360f16d189ccfaf6277c
[INFO] running `Command { std: "docker" "start" "-a" "b393b196d57109697068239d03d3402352b58e1beaa7360f16d189ccfaf6277c", kill_on_drop: false }`
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.19
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking indexmap v1.9.2
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking sback v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "b393b196d57109697068239d03d3402352b58e1beaa7360f16d189ccfaf6277c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b393b196d57109697068239d03d3402352b58e1beaa7360f16d189ccfaf6277c", kill_on_drop: false }`
[INFO] [stdout] b393b196d57109697068239d03d3402352b58e1beaa7360f16d189ccfaf6277c
[INFO] checking mstruebing/sback against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstruebing%2Fsback" "/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/mstruebing/sback on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mstruebing/sback
[INFO] finished tweaking git repo https://github.com/mstruebing/sback
[INFO] tweaked toml for git repo https://github.com/mstruebing/sback written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mstruebing/sback 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34fe1a1a7adcc341cddca88cb473263a702c3055a3346aedddff243530523884
[INFO] running `Command { std: "docker" "start" "-a" "34fe1a1a7adcc341cddca88cb473263a702c3055a3346aedddff243530523884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34fe1a1a7adcc341cddca88cb473263a702c3055a3346aedddff243530523884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fe1a1a7adcc341cddca88cb473263a702c3055a3346aedddff243530523884", kill_on_drop: false }`
[INFO] [stdout] 34fe1a1a7adcc341cddca88cb473263a702c3055a3346aedddff243530523884
[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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2977f730bfa83cfc44c37adf26b55c147300435747386c17b918fe30f8c16b9f
[INFO] running `Command { std: "docker" "start" "-a" "2977f730bfa83cfc44c37adf26b55c147300435747386c17b918fe30f8c16b9f", kill_on_drop: false }`
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking filetime v0.2.19
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking sback v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/files.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 |             .filter(|f| f != &std::fs::canonicalize(path).unwrap())
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/files.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 |             .filter(|f| f != &std::fs::canonicalize(path).unwrap())
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sback` (bin "sback" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sback` (bin "sback") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2977f730bfa83cfc44c37adf26b55c147300435747386c17b918fe30f8c16b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2977f730bfa83cfc44c37adf26b55c147300435747386c17b918fe30f8c16b9f", kill_on_drop: false }`
[INFO] [stdout] 2977f730bfa83cfc44c37adf26b55c147300435747386c17b918fe30f8c16b9f