[INFO] cloning repository https://github.com/rklaehn/flume-bug-reproducer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rklaehn/flume-bug-reproducer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fflume-bug-reproducer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fflume-bug-reproducer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8f71ab194fccbf70d19ff6e07386060edb32ad7
[INFO] checking rklaehn/flume-bug-reproducer against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fflume-bug-reproducer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rklaehn/flume-bug-reproducer 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/rklaehn/flume-bug-reproducer
[INFO] finished tweaking git repo https://github.com/rklaehn/flume-bug-reproducer
[INFO] tweaked toml for git repo https://github.com/rklaehn/flume-bug-reproducer written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rklaehn/flume-bug-reproducer 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2fbb14cbd34d6abc625ca5c174dcbdec689072f8c615382005d6dc32e0cc8402
[INFO] running `Command { std: "docker" "start" "-a" "2fbb14cbd34d6abc625ca5c174dcbdec689072f8c615382005d6dc32e0cc8402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbb14cbd34d6abc625ca5c174dcbdec689072f8c615382005d6dc32e0cc8402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbb14cbd34d6abc625ca5c174dcbdec689072f8c615382005d6dc32e0cc8402", kill_on_drop: false }`
[INFO] [stdout] 2fbb14cbd34d6abc625ca5c174dcbdec689072f8c615382005d6dc32e0cc8402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a758da7d4839a44d77dd667a936d23c53c51084e59e83f3a95fc3815c5ad8174
[INFO] running `Command { std: "docker" "start" "-a" "a758da7d4839a44d77dd667a936d23c53c51084e59e83f3a95fc3815c5ad8174", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.39.1
[INFO] [stderr]     Checking flume-bug-reproducer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.26s
[INFO] running `Command { std: "docker" "inspect" "a758da7d4839a44d77dd667a936d23c53c51084e59e83f3a95fc3815c5ad8174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a758da7d4839a44d77dd667a936d23c53c51084e59e83f3a95fc3815c5ad8174", kill_on_drop: false }`
[INFO] [stdout] a758da7d4839a44d77dd667a936d23c53c51084e59e83f3a95fc3815c5ad8174
[INFO] checking rklaehn/flume-bug-reproducer against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fflume-bug-reproducer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rklaehn/flume-bug-reproducer 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/rklaehn/flume-bug-reproducer
[INFO] finished tweaking git repo https://github.com/rklaehn/flume-bug-reproducer
[INFO] tweaked toml for git repo https://github.com/rklaehn/flume-bug-reproducer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rklaehn/flume-bug-reproducer 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1888ac801197fd1ca39701f9d18f857c51374040663b84284d36dc9fefac00fc
[INFO] running `Command { std: "docker" "start" "-a" "1888ac801197fd1ca39701f9d18f857c51374040663b84284d36dc9fefac00fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1888ac801197fd1ca39701f9d18f857c51374040663b84284d36dc9fefac00fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1888ac801197fd1ca39701f9d18f857c51374040663b84284d36dc9fefac00fc", kill_on_drop: false }`
[INFO] [stdout] 1888ac801197fd1ca39701f9d18f857c51374040663b84284d36dc9fefac00fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0a95baba07cfee5e65b7b499239259f7e5d726e371375dfe7e10f84067642d79
[INFO] running `Command { std: "docker" "start" "-a" "0a95baba07cfee5e65b7b499239259f7e5d726e371375dfe7e10f84067642d79", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.39.1
[INFO] [stderr]     Checking flume-bug-reproducer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.97s
[INFO] running `Command { std: "docker" "inspect" "0a95baba07cfee5e65b7b499239259f7e5d726e371375dfe7e10f84067642d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a95baba07cfee5e65b7b499239259f7e5d726e371375dfe7e10f84067642d79", kill_on_drop: false }`
[INFO] [stdout] 0a95baba07cfee5e65b7b499239259f7e5d726e371375dfe7e10f84067642d79