[INFO] fetching crate fls 0.1.0...
[INFO] testing fls-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate fls 0.1.0 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate fls 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fls 0.1.0
[INFO] finished tweaking crates.io crate fls 0.1.0
[INFO] tweaked toml for crates.io crate fls 0.1.0 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate fls 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19a34928e10f2a42411537f246ab70a9379f1366205866a10c7cd8198cdeeb13
[INFO] running `Command { std: "docker" "start" "-a" "19a34928e10f2a42411537f246ab70a9379f1366205866a10c7cd8198cdeeb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a34928e10f2a42411537f246ab70a9379f1366205866a10c7cd8198cdeeb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a34928e10f2a42411537f246ab70a9379f1366205866a10c7cd8198cdeeb13", kill_on_drop: false }`
[INFO] [stdout] 19a34928e10f2a42411537f246ab70a9379f1366205866a10c7cd8198cdeeb13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e45e550e7096bd0a8e12bc33f07d06a285a56de0e24b9cb0dcffd2018a3397
[INFO] running `Command { std: "docker" "start" "-a" "75e45e550e7096bd0a8e12bc33f07d06a285a56de0e24b9cb0dcffd2018a3397", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling compiler_builtins v0.1.47
[INFO] [stderr]    Compiling sc v0.2.4
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling fls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling veneer-macros v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling veneer v0.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "75e45e550e7096bd0a8e12bc33f07d06a285a56de0e24b9cb0dcffd2018a3397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e45e550e7096bd0a8e12bc33f07d06a285a56de0e24b9cb0dcffd2018a3397", kill_on_drop: false }`
[INFO] [stdout] 75e45e550e7096bd0a8e12bc33f07d06a285a56de0e24b9cb0dcffd2018a3397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 661c42ffb1a8bb9de75821ce7aef7f3539bde113fb34252807a6b711cd9a74d4
[INFO] running `Command { std: "docker" "start" "-a" "661c42ffb1a8bb9de75821ce7aef7f3539bde113fb34252807a6b711cd9a74d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sc v0.2.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling compiler_builtins v0.1.47
[INFO] [stderr]    Compiling veneer v0.1.0
[INFO] [stderr]    Compiling fls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `veneer` (which `fls` depends on)
[INFO] [stdout]   = note: first definition in `veneer` loaded from /opt/rustwide/target/debug/deps/libveneer-4ad7bfa77b9ce541.rlib
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/62efba8a050c64249dab942951bb28f710208bc8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7387d118fba15d64.so, /opt/rustwide/rustup-home/toolchains/62efba8a050c64249dab942951bb28f710208bc8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7387d118fba15d64.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `oom`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `veneer` (which `fls` depends on)
[INFO] [stdout]   = note: first definition in `veneer` loaded from /opt/rustwide/target/debug/deps/libveneer-4ad7bfa77b9ce541.rlib
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/62efba8a050c64249dab942951bb28f710208bc8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7387d118fba15d64.so, /opt/rustwide/rustup-home/toolchains/62efba8a050c64249dab942951bb28f710208bc8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7387d118fba15d64.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: duplicate lang item in crate `panic_unwind` (which `std` depends on): `eh_personality`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `veneer` (which `fls` depends on)
[INFO] [stdout]   = note: first definition in `veneer` loaded from /opt/rustwide/target/debug/deps/libveneer-4ad7bfa77b9ce541.rlib
[INFO] [stdout]   = note: second definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/62efba8a050c64249dab942951bb28f710208bc8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-dd8bf3fda2fc2c51.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fls` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "661c42ffb1a8bb9de75821ce7aef7f3539bde113fb34252807a6b711cd9a74d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661c42ffb1a8bb9de75821ce7aef7f3539bde113fb34252807a6b711cd9a74d4", kill_on_drop: false }`
[INFO] [stdout] 661c42ffb1a8bb9de75821ce7aef7f3539bde113fb34252807a6b711cd9a74d4