[INFO] cloning repository https://github.com/conradludgate/flag-bearer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conradludgate/flag-bearer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fflag-bearer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fflag-bearer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdecdcc7c2dcd78fc382f77d05934e8249ae5ba2
[INFO] building conradludgate/flag-bearer against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fflag-bearer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conradludgate/flag-bearer on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/conradludgate/flag-bearer
[INFO] finished tweaking git repo https://github.com/conradludgate/flag-bearer
[INFO] tweaked toml for git repo https://github.com/conradludgate/flag-bearer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/conradludgate/flag-bearer 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c96963c04f5de38950e578f28c328df1eca265bad6c375e2a2ce62e167172692
[INFO] running `Command { std: "docker" "start" "-a" "c96963c04f5de38950e578f28c328df1eca265bad6c375e2a2ce62e167172692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c96963c04f5de38950e578f28c328df1eca265bad6c375e2a2ce62e167172692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96963c04f5de38950e578f28c328df1eca265bad6c375e2a2ce62e167172692", kill_on_drop: false }`
[INFO] [stdout] c96963c04f5de38950e578f28c328df1eca265bad6c375e2a2ce62e167172692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15cf16876b1223de6432889f50cd5a72ee164530b818899290d1ba16b8fc043f
[INFO] running `Command { std: "docker" "start" "-a" "15cf16876b1223de6432889f50cd5a72ee164530b818899290d1ba16b8fc043f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling pinned-aliasable v0.1.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling flag-bearer-core v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-core)
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling pollster v0.4.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling pin-list v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling flag-bearer-queue v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-queue)
[INFO] [stderr]    Compiling flag-bearer-mutex v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-mutex)
[INFO] [stderr]    Compiling flag-bearer v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer)
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling flag-bearer-tests v0.1.0 (/opt/rustwide/workdir/flag-bearer-tests)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "15cf16876b1223de6432889f50cd5a72ee164530b818899290d1ba16b8fc043f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cf16876b1223de6432889f50cd5a72ee164530b818899290d1ba16b8fc043f", kill_on_drop: false }`
[INFO] [stdout] 15cf16876b1223de6432889f50cd5a72ee164530b818899290d1ba16b8fc043f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62c7647f7af1c45f6d09002706d6b916f14af83a3180686e426fabaf91b09b91
[INFO] running `Command { std: "docker" "start" "-a" "62c7647f7af1c45f6d09002706d6b916f14af83a3180686e426fabaf91b09b91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling flag-bearer-mutex v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-mutex)
[INFO] [stderr]    Compiling flag-bearer v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer)
[INFO] [stderr]    Compiling flag-bearer-core v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-core)
[INFO] [stderr]    Compiling flag-bearer-queue v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-queue)
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling arbtest v0.3.2
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.44.1
[INFO] [stderr]    Compiling futures-testing v0.1.0 (https://github.com/conradludgate/futures-testing#be025bd1)
[INFO] [stderr]    Compiling flag-bearer-tests v0.1.0 (/opt/rustwide/workdir/flag-bearer-tests)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.80s
[INFO] running `Command { std: "docker" "inspect" "62c7647f7af1c45f6d09002706d6b916f14af83a3180686e426fabaf91b09b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c7647f7af1c45f6d09002706d6b916f14af83a3180686e426fabaf91b09b91", kill_on_drop: false }`
[INFO] [stdout] 62c7647f7af1c45f6d09002706d6b916f14af83a3180686e426fabaf91b09b91