[INFO] fetching crate ev3 0.3.0...
[INFO] testing ev3-0.3.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate ev3 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ev3 0.3.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ev3 0.3.0
[INFO] finished tweaking crates.io crate ev3 0.3.0
[INFO] tweaked toml for crates.io crate ev3 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ev3rt v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4ab34c6adba6a759364453d979a78b7770e67a6f4e9639967d368243ae51d01
[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" "f4ab34c6adba6a759364453d979a78b7770e67a6f4e9639967d368243ae51d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4ab34c6adba6a759364453d979a78b7770e67a6f4e9639967d368243ae51d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ab34c6adba6a759364453d979a78b7770e67a6f4e9639967d368243ae51d01", kill_on_drop: false }`
[INFO] [stdout] f4ab34c6adba6a759364453d979a78b7770e67a6f4e9639967d368243ae51d01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 348f227c383d71e0552b8becfffdbec9cbad5e1d3c3e920dc74ed738fe424910
[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" "348f227c383d71e0552b8becfffdbec9cbad5e1d3c3e920dc74ed738fe424910", kill_on_drop: false }`
[INFO] [stderr]    Compiling ev3rt v0.3.0
[INFO] [stderr]    Compiling ev3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "348f227c383d71e0552b8becfffdbec9cbad5e1d3c3e920dc74ed738fe424910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348f227c383d71e0552b8becfffdbec9cbad5e1d3c3e920dc74ed738fe424910", kill_on_drop: false }`
[INFO] [stdout] 348f227c383d71e0552b8becfffdbec9cbad5e1d3c3e920dc74ed738fe424910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8045c9d206d55affc273ef1e4b5cab5a534072eb814a2d038cfc59565c42f104
[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" "8045c9d206d55affc273ef1e4b5cab5a534072eb814a2d038cfc59565c42f104", kill_on_drop: false }`
[INFO] [stderr]    Compiling ev3 v0.3.0 (/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 `ev3rt` (which `ev3` depends on)
[INFO] [stdout]   = note: first definition in `ev3rt` loaded from /opt/rustwide/target/debug/deps/libev3rt-4b8aaef8d4141286.rlib
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.so, /opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ev3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8045c9d206d55affc273ef1e4b5cab5a534072eb814a2d038cfc59565c42f104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8045c9d206d55affc273ef1e4b5cab5a534072eb814a2d038cfc59565c42f104", kill_on_drop: false }`
[INFO] [stdout] 8045c9d206d55affc273ef1e4b5cab5a534072eb814a2d038cfc59565c42f104