[INFO] cloning repository https://github.com/jbr/swansong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbr/swansong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbr%2Fswansong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbr%2Fswansong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8d5dda2ac3d1df1fc490942a3aa4e4be37386af
[INFO] checking jbr/swansong against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbr%2Fswansong" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbr/swansong on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbr/swansong
[INFO] finished tweaking git repo https://github.com/jbr/swansong
[INFO] tweaked toml for git repo https://github.com/jbr/swansong written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jbr/swansong 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-harness v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 412e11ad531a93d3b27c2e352f6d664a94305605d1a8178eea2ef317c59cdb5c
[INFO] running `Command { std: "docker" "start" "-a" "412e11ad531a93d3b27c2e352f6d664a94305605d1a8178eea2ef317c59cdb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "412e11ad531a93d3b27c2e352f6d664a94305605d1a8178eea2ef317c59cdb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412e11ad531a93d3b27c2e352f6d664a94305605d1a8178eea2ef317c59cdb5c", kill_on_drop: false }`
[INFO] [stdout] 412e11ad531a93d3b27c2e352f6d664a94305605d1a8178eea2ef317c59cdb5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 921a07a6bb38d0a4c4616aaccd865a2283c140c1f71af7147ecdb0775f168639
[INFO] running `Command { std: "docker" "start" "-a" "921a07a6bb38d0a4c4616aaccd865a2283c140c1f71af7147ecdb0775f168639", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking async-executor v1.12.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking swansong v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking polling v3.6.0
[INFO] [stderr]     Checking async-io v2.3.3
[INFO] [stderr]    Compiling test-harness v0.3.0
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "921a07a6bb38d0a4c4616aaccd865a2283c140c1f71af7147ecdb0775f168639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921a07a6bb38d0a4c4616aaccd865a2283c140c1f71af7147ecdb0775f168639", kill_on_drop: false }`
[INFO] [stdout] 921a07a6bb38d0a4c4616aaccd865a2283c140c1f71af7147ecdb0775f168639
[INFO] checking jbr/swansong against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbr%2Fswansong" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbr/swansong on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbr/swansong
[INFO] finished tweaking git repo https://github.com/jbr/swansong
[INFO] tweaked toml for git repo https://github.com/jbr/swansong written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jbr/swansong 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeaa5774446fc1833727dcbf25472e015dd063290038a7361483a669984351ff
[INFO] running `Command { std: "docker" "start" "-a" "eeaa5774446fc1833727dcbf25472e015dd063290038a7361483a669984351ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeaa5774446fc1833727dcbf25472e015dd063290038a7361483a669984351ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeaa5774446fc1833727dcbf25472e015dd063290038a7361483a669984351ff", kill_on_drop: false }`
[INFO] [stdout] eeaa5774446fc1833727dcbf25472e015dd063290038a7361483a669984351ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3d8e2a0b4ff349e2ac8a84cd4a38b37377cd433db1503d7530d35cab950fb3b
[INFO] running `Command { std: "docker" "start" "-a" "a3d8e2a0b4ff349e2ac8a84cd4a38b37377cd433db1503d7530d35cab950fb3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking async-executor v1.12.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking swansong v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]    Compiling test-harness v0.3.0
[INFO] [stderr]     Checking polling v3.6.0
[INFO] [stderr]     Checking async-io v2.3.3
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "a3d8e2a0b4ff349e2ac8a84cd4a38b37377cd433db1503d7530d35cab950fb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d8e2a0b4ff349e2ac8a84cd4a38b37377cd433db1503d7530d35cab950fb3b", kill_on_drop: false }`
[INFO] [stdout] a3d8e2a0b4ff349e2ac8a84cd4a38b37377cd433db1503d7530d35cab950fb3b