[INFO] fetching crate alexcrichton-cranelift-simplejit 0.53.0...
[INFO] checking alexcrichton-cranelift-simplejit-0.53.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate alexcrichton-cranelift-simplejit 0.53.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate alexcrichton-cranelift-simplejit 0.53.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alexcrichton-cranelift-simplejit 0.53.0
[INFO] finished tweaking crates.io crate alexcrichton-cranelift-simplejit 0.53.0
[INFO] tweaked toml for crates.io crate alexcrichton-cranelift-simplejit 0.53.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate alexcrichton-cranelift-simplejit 0.53.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded region v2.1.2
[INFO] [stderr]   Downloaded alexcrichton-cranelift-native v0.53.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.9
[INFO] [stderr]   Downloaded thiserror v1.0.9
[INFO] [stderr]   Downloaded alexcrichton-cranelift-frontend v0.53.0
[INFO] [stderr]   Downloaded smallvec v1.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded alexcrichton-cranelift v0.53.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb1d578184765114d4fee6d3f5c138751fc1cc3ce30e19a700b2dbf078c205bb
[INFO] running `Command { std: "docker" "start" "-a" "cb1d578184765114d4fee6d3f5c138751fc1cc3ce30e19a700b2dbf078c205bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb1d578184765114d4fee6d3f5c138751fc1cc3ce30e19a700b2dbf078c205bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1d578184765114d4fee6d3f5c138751fc1cc3ce30e19a700b2dbf078c205bb", kill_on_drop: false }`
[INFO] [stdout] cb1d578184765114d4fee6d3f5c138751fc1cc3ce30e19a700b2dbf078c205bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d6dc90d568eb7753884953a4294e9869f823737217166e5c1794f00846b3a2
[INFO] running `Command { std: "docker" "start" "-a" "f2d6dc90d568eb7753884953a4294e9869f823737217166e5c1794f00846b3a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-shared v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-entity v0.53.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking alexcrichton-cranelift-bforest v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-meta v0.53.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-module v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-native v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-frontend v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-simplejit v0.53.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cranelift_codegen::{self, ir, settings};
[INFO] [stdout]   |                         ^^^^ the item `cranelift_codegen` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cranelift_native` is imported redundantly
[INFO] [stdout]   --> src/backend.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use cranelift_native;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ the item `cranelift_native` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/backend.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use libc;
[INFO] [stdout]    |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `errno` is imported redundantly
[INFO] [stdout]  --> src/memory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use errno;
[INFO] [stdout]   |     ^^^^^ the item `errno` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/memory.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `region` is imported redundantly
[INFO] [stdout]   --> src/memory.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use region;
[INFO] [stdout]    |     ^^^^^^ the item `region` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking alexcrichton-cranelift v0.53.0
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cranelift_codegen::{self, ir, settings};
[INFO] [stdout]   |                         ^^^^ the item `cranelift_codegen` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cranelift_native` is imported redundantly
[INFO] [stdout]   --> src/backend.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use cranelift_native;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ the item `cranelift_native` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/backend.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use libc;
[INFO] [stdout]    |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `errno` is imported redundantly
[INFO] [stdout]  --> src/memory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use errno;
[INFO] [stdout]   |     ^^^^^ the item `errno` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/memory.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `region` is imported redundantly
[INFO] [stdout]   --> src/memory.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use region;
[INFO] [stdout]    |     ^^^^^^ the item `region` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alexcrichton-cranelift-codegen-meta v0.53.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f2d6dc90d568eb7753884953a4294e9869f823737217166e5c1794f00846b3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d6dc90d568eb7753884953a4294e9869f823737217166e5c1794f00846b3a2", kill_on_drop: false }`
[INFO] [stdout] f2d6dc90d568eb7753884953a4294e9869f823737217166e5c1794f00846b3a2
[INFO] checking alexcrichton-cranelift-simplejit-0.53.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate alexcrichton-cranelift-simplejit 0.53.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate alexcrichton-cranelift-simplejit 0.53.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alexcrichton-cranelift-simplejit 0.53.0
[INFO] finished tweaking crates.io crate alexcrichton-cranelift-simplejit 0.53.0
[INFO] tweaked toml for crates.io crate alexcrichton-cranelift-simplejit 0.53.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate alexcrichton-cranelift-simplejit 0.53.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88caac9e4800c02096707b32b484717f4ead218072c6683c7114f7d1cea74d7a
[INFO] running `Command { std: "docker" "start" "-a" "88caac9e4800c02096707b32b484717f4ead218072c6683c7114f7d1cea74d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88caac9e4800c02096707b32b484717f4ead218072c6683c7114f7d1cea74d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88caac9e4800c02096707b32b484717f4ead218072c6683c7114f7d1cea74d7a", kill_on_drop: false }`
[INFO] [stdout] 88caac9e4800c02096707b32b484717f4ead218072c6683c7114f7d1cea74d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53761518332f273c6fbb1d4687469ebe1e98b6dd86f0b00ed9b8f6a8fac76e9c
[INFO] running `Command { std: "docker" "start" "-a" "53761518332f273c6fbb1d4687469ebe1e98b6dd86f0b00ed9b8f6a8fac76e9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-shared v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-entity v0.53.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-meta v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-bforest v0.53.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-module v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-frontend v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-native v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-simplejit v0.53.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cranelift_codegen::{self, ir, settings};
[INFO] [stdout]   |                         ^^^^ the item `cranelift_codegen` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cranelift_native` is imported redundantly
[INFO] [stdout]   --> src/backend.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use cranelift_native;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ the item `cranelift_native` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/backend.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use libc;
[INFO] [stdout]    |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `errno` is imported redundantly
[INFO] [stdout]  --> src/memory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use errno;
[INFO] [stdout]   |     ^^^^^ the item `errno` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/memory.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `region` is imported redundantly
[INFO] [stdout]   --> src/memory.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use region;
[INFO] [stdout]    |     ^^^^^^ the item `region` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking alexcrichton-cranelift v0.53.0
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cranelift_codegen::{self, ir, settings};
[INFO] [stdout]   |                         ^^^^ the item `cranelift_codegen` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cranelift_native` is imported redundantly
[INFO] [stdout]   --> src/backend.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use cranelift_native;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ the item `cranelift_native` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/backend.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use libc;
[INFO] [stdout]    |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `errno` is imported redundantly
[INFO] [stdout]  --> src/memory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use errno;
[INFO] [stdout]   |     ^^^^^ the item `errno` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/memory.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `region` is imported redundantly
[INFO] [stdout]   --> src/memory.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use region;
[INFO] [stdout]    |     ^^^^^^ the item `region` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alexcrichton-cranelift-codegen-meta v0.53.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "53761518332f273c6fbb1d4687469ebe1e98b6dd86f0b00ed9b8f6a8fac76e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53761518332f273c6fbb1d4687469ebe1e98b6dd86f0b00ed9b8f6a8fac76e9c", kill_on_drop: false }`
[INFO] [stdout] 53761518332f273c6fbb1d4687469ebe1e98b6dd86f0b00ed9b8f6a8fac76e9c
