[INFO] fetching crate fls 0.1.0...
[INFO] testing fls-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fls 0.1.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate fls 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-50/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sc v0.2.4
[INFO] [stderr]   Downloaded compiler_builtins v0.1.47
[INFO] [stderr]   Downloaded veneer-macros v0.1.0
[INFO] [stderr]   Downloaded veneer v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f15bc49a99dbcfb53c7b60091e73d6f4ccfc12b8398a411cba74df365770ac1d
[INFO] running `Command { std: "docker" "start" "-a" "f15bc49a99dbcfb53c7b60091e73d6f4ccfc12b8398a411cba74df365770ac1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15bc49a99dbcfb53c7b60091e73d6f4ccfc12b8398a411cba74df365770ac1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15bc49a99dbcfb53c7b60091e73d6f4ccfc12b8398a411cba74df365770ac1d", kill_on_drop: false }`
[INFO] [stdout] f15bc49a99dbcfb53c7b60091e73d6f4ccfc12b8398a411cba74df365770ac1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bc63a24372aba63db15424a238110c4dbe62603592f1744f240f922ab57f2c5
[INFO] running `Command { std: "docker" "start" "-a" "5bc63a24372aba63db15424a238110c4dbe62603592f1744f240f922ab57f2c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling compiler_builtins v0.1.47
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling sc v0.2.4
[INFO] [stderr]    Compiling fls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling veneer-macros v0.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling veneer v0.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.83s
[INFO] running `Command { std: "docker" "inspect" "5bc63a24372aba63db15424a238110c4dbe62603592f1744f240f922ab57f2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc63a24372aba63db15424a238110c4dbe62603592f1744f240f922ab57f2c5", kill_on_drop: false }`
[INFO] [stdout] 5bc63a24372aba63db15424a238110c4dbe62603592f1744f240f922ab57f2c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 645e808b27e2993157c9847109219ca216e2607b9a10ddb1b85c01e255ad4eaa
[INFO] running `Command { std: "docker" "start" "-a" "645e808b27e2993157c9847109219ca216e2607b9a10ddb1b85c01e255ad4eaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling sc v0.2.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling compiler_builtins v0.1.47
[INFO] [stderr]    Compiling tinyvec v1.3.1
[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/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.so, /opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.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/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.so, /opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.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/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.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" "645e808b27e2993157c9847109219ca216e2607b9a10ddb1b85c01e255ad4eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645e808b27e2993157c9847109219ca216e2607b9a10ddb1b85c01e255ad4eaa", kill_on_drop: false }`
[INFO] [stdout] 645e808b27e2993157c9847109219ca216e2607b9a10ddb1b85c01e255ad4eaa