[INFO] fetching crate mango-rt 0.2.1...
[INFO] checking mango-rt-0.2.1 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate mango-rt 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mango-rt 0.2.1
[INFO] finished tweaking crates.io crate mango-rt 0.2.1
[INFO] tweaked toml for crates.io crate mango-rt 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mango-rt 0.2.1 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f375e8330747a4e24a7983247da98384161eae2393c2cfd918b42b40038ce769
[INFO] running `Command { std: "docker" "start" "-a" "f375e8330747a4e24a7983247da98384161eae2393c2cfd918b42b40038ce769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f375e8330747a4e24a7983247da98384161eae2393c2cfd918b42b40038ce769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f375e8330747a4e24a7983247da98384161eae2393c2cfd918b42b40038ce769", kill_on_drop: false }`
[INFO] [stdout] f375e8330747a4e24a7983247da98384161eae2393c2cfd918b42b40038ce769
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54d40e71fc71472a4337440ef1569793e31e8913efb77b2c525455e1839a481a
[INFO] running `Command { std: "docker" "start" "-a" "54d40e71fc71472a4337440ef1569793e31e8913efb77b2c525455e1839a481a", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking volatile v0.3.0
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking mango-core v0.2.1
[INFO] [stderr]     Checking conquer-once v0.4.0
[INFO] [stderr]     Checking linked_list_allocator v0.10.6
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking uart_16550 v0.3.2
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking mango-hal v0.2.1
[INFO] [stderr]     Checking mango-rt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "54d40e71fc71472a4337440ef1569793e31e8913efb77b2c525455e1839a481a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d40e71fc71472a4337440ef1569793e31e8913efb77b2c525455e1839a481a", kill_on_drop: false }`
[INFO] [stdout] 54d40e71fc71472a4337440ef1569793e31e8913efb77b2c525455e1839a481a