[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] checking conradludgate/flag-bearer against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fflag-bearer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/conradludgate/flag-bearer on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/conradludgate/futures-testing`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pinned-aliasable v0.1.3
[INFO] [stderr]   Downloaded arbtest v0.3.2
[INFO] [stderr]   Downloaded generator v0.8.4
[INFO] [stderr]   Downloaded pin-list v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec61f69e2e9adc30a1a1530755abaa46366a7ea0fdb9e8d8f7d35055805fb1d6
[INFO] running `Command { std: "docker" "start" "-a" "ec61f69e2e9adc30a1a1530755abaa46366a7ea0fdb9e8d8f7d35055805fb1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec61f69e2e9adc30a1a1530755abaa46366a7ea0fdb9e8d8f7d35055805fb1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec61f69e2e9adc30a1a1530755abaa46366a7ea0fdb9e8d8f7d35055805fb1d6", kill_on_drop: false }`
[INFO] [stdout] ec61f69e2e9adc30a1a1530755abaa46366a7ea0fdb9e8d8f7d35055805fb1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 945a1ee4d4ebad346756b04a8f5d0c43cdc4ea002c5cf87dc4752808754ea35a
[INFO] running `Command { std: "docker" "start" "-a" "945a1ee4d4ebad346756b04a8f5d0c43cdc4ea002c5cf87dc4752808754ea35a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking pinned-aliasable v0.1.3
[INFO] [stderr]     Checking flag-bearer-core v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-core)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking pollster v0.4.0
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking arbitrary v1.4.1
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking pin-list v0.1.1
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking flag-bearer-queue v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-queue)
[INFO] [stderr]     Checking flate2 v1.1.0
[INFO] [stderr]     Checking arbtest v0.3.2
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]     Checking flag-bearer-mutex v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-mutex)
[INFO] [stderr]     Checking flag-bearer v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer)
[INFO] [stderr]     Checking flag-bearer-tests v0.1.0 (/opt/rustwide/workdir/flag-bearer-tests)
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.44.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-testing v0.1.0 (https://github.com/conradludgate/futures-testing#be025bd1)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "945a1ee4d4ebad346756b04a8f5d0c43cdc4ea002c5cf87dc4752808754ea35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945a1ee4d4ebad346756b04a8f5d0c43cdc4ea002c5cf87dc4752808754ea35a", kill_on_drop: false }`
[INFO] [stdout] 945a1ee4d4ebad346756b04a8f5d0c43cdc4ea002c5cf87dc4752808754ea35a