[INFO] cloning repository https://github.com/jsen-/rust-i32-as-f32-issue-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsen-/rust-i32-as-f32-issue-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsen-%2Frust-i32-as-f32-issue-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsen-%2Frust-i32-as-f32-issue-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a02213d764f81f86bf047716885b6e60fd1e27f
[INFO] checking jsen-/rust-i32-as-f32-issue-repro against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsen-%2Frust-i32-as-f32-issue-repro" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsen-/rust-i32-as-f32-issue-repro on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsen-/rust-i32-as-f32-issue-repro
[INFO] finished tweaking git repo https://github.com/jsen-/rust-i32-as-f32-issue-repro
[INFO] tweaked toml for git repo https://github.com/jsen-/rust-i32-as-f32-issue-repro written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jsen-/rust-i32-as-f32-issue-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Rahix/avr-hal`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded avr-device-macros v0.2.2
[INFO] [stderr]   Downloaded ufmt-macros v0.1.1
[INFO] [stderr]   Downloaded ufmt v0.1.0
[INFO] [stderr]   Downloaded avr-device v0.2.2
[INFO] [stderr]   Downloaded paste v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d9015166074ea2644730bd76fe6bdbaeacbe1c0fe6512284932be39d41d9f09
[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" "0d9015166074ea2644730bd76fe6bdbaeacbe1c0fe6512284932be39d41d9f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d9015166074ea2644730bd76fe6bdbaeacbe1c0fe6512284932be39d41d9f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9015166074ea2644730bd76fe6bdbaeacbe1c0fe6512284932be39d41d9f09", kill_on_drop: false }`
[INFO] [stdout] 0d9015166074ea2644730bd76fe6bdbaeacbe1c0fe6512284932be39d41d9f09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d873b597f3fccaab6509e23ae23c79ac146ce9782b00c9923afd64a5a9833691
[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" "d873b597f3fccaab6509e23ae23c79ac146ce9782b00c9923afd64a5a9833691", kill_on_drop: false }`
[INFO] [stderr] error: "/opt/rustwide/rustup-home/toolchains/0d37dca25a51fb900a402c94c8818ad1c2789e30/lib/rustlib/src/rust/Cargo.lock" does not exist, unable to build with the standard library, try:
[INFO] [stderr]         rustup component add rust-src
[INFO] running `Command { std: "docker" "inspect" "d873b597f3fccaab6509e23ae23c79ac146ce9782b00c9923afd64a5a9833691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d873b597f3fccaab6509e23ae23c79ac146ce9782b00c9923afd64a5a9833691", kill_on_drop: false }`
[INFO] [stdout] d873b597f3fccaab6509e23ae23c79ac146ce9782b00c9923afd64a5a9833691