[INFO] fetching crate qmc 2.20.0...
[INFO] building qmc-2.20.0 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate qmc 2.20.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate qmc 2.20.0 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qmc 2.20.0
[INFO] finished tweaking crates.io crate qmc 2.20.0
[INFO] tweaked toml for crates.io crate qmc 2.20.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate qmc 2.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bde4aad3c114292fd3f1de3d98d1aaee142ac212b3b0e6e0d4c05194402a428d
[INFO] running `Command { std: "docker" "start" "-a" "bde4aad3c114292fd3f1de3d98d1aaee142ac212b3b0e6e0d4c05194402a428d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bde4aad3c114292fd3f1de3d98d1aaee142ac212b3b0e6e0d4c05194402a428d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde4aad3c114292fd3f1de3d98d1aaee142ac212b3b0e6e0d4c05194402a428d", kill_on_drop: false }`
[INFO] [stdout] bde4aad3c114292fd3f1de3d98d1aaee142ac212b3b0e6e0d4c05194402a428d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c10ea4a386f1e33494c35aecd305564d849194036b027d978846617491f1d651
[INFO] running `Command { std: "docker" "start" "-a" "c10ea4a386f1e33494c35aecd305564d849194036b027d978846617491f1d651", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling qmc v2.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "c10ea4a386f1e33494c35aecd305564d849194036b027d978846617491f1d651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10ea4a386f1e33494c35aecd305564d849194036b027d978846617491f1d651", kill_on_drop: false }`
[INFO] [stdout] c10ea4a386f1e33494c35aecd305564d849194036b027d978846617491f1d651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8c2401a4fc91f084921326353ca241e67d9a68656ee22845b7df55934b056fd
[INFO] running `Command { std: "docker" "start" "-a" "b8c2401a4fc91f084921326353ca241e67d9a68656ee22845b7df55934b056fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling qmc v2.20.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `qmc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name check_rvb_crash --edition=2021 tests/check_rvb_crash.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=a2232728f289b024 -C extra-filename=-a2232728f289b024 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9ade512e5033c232.rlib --extern qmc=/opt/rustwide/target/debug/deps/libqmc-27cb7971f313c76e.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-bb1a1896a5f13874.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-3bd00949ac597fbe.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e31829cdc1ad7f0b.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-1fbe5b6a2871d455.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b8c2401a4fc91f084921326353ca241e67d9a68656ee22845b7df55934b056fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c2401a4fc91f084921326353ca241e67d9a68656ee22845b7df55934b056fd", kill_on_drop: false }`
[INFO] [stdout] b8c2401a4fc91f084921326353ca241e67d9a68656ee22845b7df55934b056fd