[INFO] fetching crate moros 0.4.0...
[INFO] checking moros-0.4.0 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] extracting crate moros 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate moros 0.4.0 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate moros 0.4.0
[INFO] finished tweaking crates.io crate moros 0.4.0
[INFO] tweaked toml for crates.io crate moros 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate moros 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 139fe79c8870a65059068fad05fece14d5140858d9d982a0f970a42079b48377
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "139fe79c8870a65059068fad05fece14d5140858d9d982a0f970a42079b48377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "139fe79c8870a65059068fad05fece14d5140858d9d982a0f970a42079b48377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139fe79c8870a65059068fad05fece14d5140858d9d982a0f970a42079b48377", kill_on_drop: false }`
[INFO] [stdout] 139fe79c8870a65059068fad05fece14d5140858d9d982a0f970a42079b48377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5290eace8b016f5a95ab5df8c2d3e5cc2c409c2847a658d5a222e691c0dfde21
[INFO] running `Command { std: "docker" "start" "-a" "5290eace8b016f5a95ab5df8c2d3e5cc2c409c2847a658d5a222e691c0dfde21", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling x86_64 v0.11.1
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling bootloader v0.9.5
[INFO] [stderr]     Checking cpuio v0.3.0
[INFO] [stderr]     Checking managed v0.7.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking pic8259_simple v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking spinning_top v0.1.1
[INFO] [stderr]     Checking linked_list_allocator v0.8.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling raw-cpuid v8.1.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking smoltcp v0.6.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking vte v0.8.0
[INFO] [stderr]     Checking uart_16550 v0.2.7
[INFO] [stderr]     Checking moros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `oom`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / fn alloc_error_handler(layout: alloc::alloc::Layout) -> ! {
[INFO] [stdout] 34 | |     panic!("allocation error: {:?}", layout)
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/de32266a1780aa4ef748ce7f6200a1554fad0aca/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-afd4b9aba051f3ad.rlib
[INFO] [stdout]    = note: second definition in the local crate (`moros`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5290eace8b016f5a95ab5df8c2d3e5cc2c409c2847a658d5a222e691c0dfde21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5290eace8b016f5a95ab5df8c2d3e5cc2c409c2847a658d5a222e691c0dfde21", kill_on_drop: false }`
[INFO] [stdout] 5290eace8b016f5a95ab5df8c2d3e5cc2c409c2847a658d5a222e691c0dfde21