[INFO] cloning repository https://github.com/PlasmaPower/kmer-merger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PlasmaPower/kmer-merger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlasmaPower%2Fkmer-merger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlasmaPower%2Fkmer-merger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f247a8a36d130be563dcf13dd13023b0c93fea29
[INFO] checking PlasmaPower/kmer-merger against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlasmaPower%2Fkmer-merger" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PlasmaPower/kmer-merger 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/PlasmaPower/kmer-merger
[INFO] finished tweaking git repo https://github.com/PlasmaPower/kmer-merger
[INFO] tweaked toml for git repo https://github.com/PlasmaPower/kmer-merger written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PlasmaPower/kmer-merger 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded term_size v0.2.1
[INFO] [stderr]   Downloaded strsim v0.5.2
[INFO] [stderr]   Downloaded unicode-width v0.1.3
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.2
[INFO] [stderr]   Downloaded clap v2.19.0
[INFO] [stderr]   Downloaded libc v0.2.17
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8b02eb6c4bf3f9acaabdc20ace75ffb64bc60315d81af689a23267f74ed7074
[INFO] running `Command { std: "docker" "start" "-a" "f8b02eb6c4bf3f9acaabdc20ace75ffb64bc60315d81af689a23267f74ed7074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8b02eb6c4bf3f9acaabdc20ace75ffb64bc60315d81af689a23267f74ed7074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b02eb6c4bf3f9acaabdc20ace75ffb64bc60315d81af689a23267f74ed7074", kill_on_drop: false }`
[INFO] [stdout] f8b02eb6c4bf3f9acaabdc20ace75ffb64bc60315d81af689a23267f74ed7074
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b047ead3c7e183c410add2c30ba3de63804290f8d15bb605f024dea73ebeee50
[INFO] running `Command { std: "docker" "start" "-a" "b047ead3c7e183c410add2c30ba3de63804290f8d15bb605f024dea73ebeee50", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.19.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking kmer-merger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0, clap v2.19.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b047ead3c7e183c410add2c30ba3de63804290f8d15bb605f024dea73ebeee50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b047ead3c7e183c410add2c30ba3de63804290f8d15bb605f024dea73ebeee50", kill_on_drop: false }`
[INFO] [stdout] b047ead3c7e183c410add2c30ba3de63804290f8d15bb605f024dea73ebeee50
[INFO] checking PlasmaPower/kmer-merger 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%2FPlasmaPower%2Fkmer-merger" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PlasmaPower/kmer-merger 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/PlasmaPower/kmer-merger
[INFO] finished tweaking git repo https://github.com/PlasmaPower/kmer-merger
[INFO] tweaked toml for git repo https://github.com/PlasmaPower/kmer-merger written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/PlasmaPower/kmer-merger 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1690a2a0a01b4d8013d1e0ef496150e04bc4d7829ed94dce091fb9a437902e88
[INFO] running `Command { std: "docker" "start" "-a" "1690a2a0a01b4d8013d1e0ef496150e04bc4d7829ed94dce091fb9a437902e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1690a2a0a01b4d8013d1e0ef496150e04bc4d7829ed94dce091fb9a437902e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1690a2a0a01b4d8013d1e0ef496150e04bc4d7829ed94dce091fb9a437902e88", kill_on_drop: false }`
[INFO] [stdout] 1690a2a0a01b4d8013d1e0ef496150e04bc4d7829ed94dce091fb9a437902e88
[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 -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] 41f0b94ef364fe25c4eba7da61da900f051a03a58e3e1e897f795a33210bfae5
[INFO] running `Command { std: "docker" "start" "-a" "41f0b94ef364fe25c4eba7da61da900f051a03a58e3e1e897f795a33210bfae5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking clap v2.19.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking kmer-merger v0.1.0 (/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/main.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let reader = File::open(filename)
[INFO] [stdout]    |                 ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |                 .expect(format!("Could not open input file {}", filename).as_str());
[INFO] [stdout] 57 |             InFile::new(BufReader::new(reader), infile::PositionInfo {
[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/main.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let reader = File::open(filename)
[INFO] [stdout]    |                 ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |                 .expect(format!("Could not open input file {}", filename).as_str());
[INFO] [stdout] 57 |             InFile::new(BufReader::new(reader), infile::PositionInfo {
[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 `kmer-merger` (bin "kmer-merger" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kmer-merger` (bin "kmer-merger") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "41f0b94ef364fe25c4eba7da61da900f051a03a58e3e1e897f795a33210bfae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f0b94ef364fe25c4eba7da61da900f051a03a58e3e1e897f795a33210bfae5", kill_on_drop: false }`
[INFO] [stdout] 41f0b94ef364fe25c4eba7da61da900f051a03a58e3e1e897f795a33210bfae5