[INFO] cloning repository https://github.com/chemicstry/futex-queue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chemicstry/futex-queue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchemicstry%2Ffutex-queue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchemicstry%2Ffutex-queue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff9173b7b822131b3c703683921e016db7095e82
[INFO] checking chemicstry/futex-queue against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchemicstry%2Ffutex-queue" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chemicstry/futex-queue on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chemicstry/futex-queue
[INFO] finished tweaking git repo https://github.com/chemicstry/futex-queue
[INFO] tweaked toml for git repo https://github.com/chemicstry/futex-queue written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages
[INFO] [stderr]       Adding hash32 v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (latest: v0.8.0)
[INFO] [stderr]       Adding linux-futex v0.1.2 (latest: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linux-futex v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9e6ea79cea41ecec1a9cc844c32072ad20e40b6ea4ce05c011d0960fdc4f877
[INFO] running `Command { std: "docker" "start" "-a" "a9e6ea79cea41ecec1a9cc844c32072ad20e40b6ea4ce05c011d0960fdc4f877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9e6ea79cea41ecec1a9cc844c32072ad20e40b6ea4ce05c011d0960fdc4f877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e6ea79cea41ecec1a9cc844c32072ad20e40b6ea4ce05c011d0960fdc4f877", kill_on_drop: false }`
[INFO] [stdout] a9e6ea79cea41ecec1a9cc844c32072ad20e40b6ea4ce05c011d0960fdc4f877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7279a33d4b56b6549077bf330cd4ded8ba1d75cea636ef67f6e437ae9af5b5f
[INFO] running `Command { std: "docker" "start" "-a" "d7279a33d4b56b6549077bf330cd4ded8ba1d75cea636ef67f6e437ae9af5b5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking linux-futex v0.1.2
[INFO] [stderr]     Checking futex-queue v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "d7279a33d4b56b6549077bf330cd4ded8ba1d75cea636ef67f6e437ae9af5b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7279a33d4b56b6549077bf330cd4ded8ba1d75cea636ef67f6e437ae9af5b5f", kill_on_drop: false }`
[INFO] [stdout] d7279a33d4b56b6549077bf330cd4ded8ba1d75cea636ef67f6e437ae9af5b5f
[INFO] checking chemicstry/futex-queue against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchemicstry%2Ffutex-queue" "/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/chemicstry/futex-queue on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chemicstry/futex-queue
[INFO] finished tweaking git repo https://github.com/chemicstry/futex-queue
[INFO] tweaked toml for git repo https://github.com/chemicstry/futex-queue written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc07f044a1ccc77a0ce17024efb8a3a5642ae1d054e83ca0284834a75d82c5b6
[INFO] running `Command { std: "docker" "start" "-a" "bc07f044a1ccc77a0ce17024efb8a3a5642ae1d054e83ca0284834a75d82c5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc07f044a1ccc77a0ce17024efb8a3a5642ae1d054e83ca0284834a75d82c5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc07f044a1ccc77a0ce17024efb8a3a5642ae1d054e83ca0284834a75d82c5b6", kill_on_drop: false }`
[INFO] [stdout] bc07f044a1ccc77a0ce17024efb8a3a5642ae1d054e83ca0284834a75d82c5b6
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b948764b041c4043a47a772d48921a6e6160c9c92cda669732b4c4ebe39ca9c
[INFO] running `Command { std: "docker" "start" "-a" "5b948764b041c4043a47a772d48921a6e6160c9c92cda669732b4c4ebe39ca9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking linux-futex v0.1.2
[INFO] [stderr]     Checking futex-queue v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "5b948764b041c4043a47a772d48921a6e6160c9c92cda669732b4c4ebe39ca9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b948764b041c4043a47a772d48921a6e6160c9c92cda669732b4c4ebe39ca9c", kill_on_drop: false }`
[INFO] [stdout] 5b948764b041c4043a47a772d48921a6e6160c9c92cda669732b4c4ebe39ca9c