[INFO] cloning repository https://github.com/firecracker-microvm/micro-http [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/firecracker-microvm/micro-http" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirecracker-microvm%2Fmicro-http", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirecracker-microvm%2Fmicro-http'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef43cef7162a55a6790d528a5e76b4fe2da22de0 [INFO] checking firecracker-microvm/micro-http against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirecracker-microvm%2Fmicro-http" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/firecracker-microvm/micro-http on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/firecracker-microvm/micro-http [INFO] finished tweaking git repo https://github.com/firecracker-microvm/micro-http [INFO] tweaked toml for git repo https://github.com/firecracker-microvm/micro-http written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/firecracker-microvm/micro-http 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vmm-sys-util v0.12.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5bd00262c344f0ed2ebb5732b2df71d3b106c7e502b4cef3f0e5dab9fdc6efe [INFO] running `Command { std: "docker" "start" "-a" "a5bd00262c344f0ed2ebb5732b2df71d3b106c7e502b4cef3f0e5dab9fdc6efe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5bd00262c344f0ed2ebb5732b2df71d3b106c7e502b4cef3f0e5dab9fdc6efe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5bd00262c344f0ed2ebb5732b2df71d3b106c7e502b4cef3f0e5dab9fdc6efe", kill_on_drop: false }` [INFO] [stdout] a5bd00262c344f0ed2ebb5732b2df71d3b106c7e502b4cef3f0e5dab9fdc6efe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1bec1a053849b2516b8be56985bc1e0462d6f748e798eece89a0c21f51723303 [INFO] running `Command { std: "docker" "start" "-a" "1bec1a053849b2516b8be56985bc1e0462d6f748e798eece89a0c21f51723303", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling micro_http v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking vmm-sys-util v0.12.1 [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/common/headers.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/common/headers.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/common/headers.rs:435:9 [INFO] [stdout] | [INFO] [stdout] 434 | use super::*; [INFO] [stdout] | -------- the item `HashMap` is already imported here [INFO] [stdout] 435 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MAX_PAYLOAD_SIZE` is imported redundantly [INFO] [stdout] --> src/connection.rs:562:9 [INFO] [stdout] | [INFO] [stdout] 560 | use super::*; [INFO] [stdout] | -------- the item `MAX_PAYLOAD_SIZE` is already imported here [INFO] [stdout] 561 | use crate::common::{Method, Version}; [INFO] [stdout] 562 | use crate::server::MAX_PAYLOAD_SIZE; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/server.rs:667:19 [INFO] [stdout] | [INFO] [stdout] 666 | use super::*; [INFO] [stdout] | -------- the item `Read` is already imported here [INFO] [stdout] 667 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/server.rs:667:25 [INFO] [stdout] | [INFO] [stdout] 666 | use super::*; [INFO] [stdout] | -------- the item `Write` is already imported here [INFO] [stdout] 667 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `UnixStream` is imported redundantly [INFO] [stdout] --> src/server.rs:669:9 [INFO] [stdout] | [INFO] [stdout] 666 | use super::*; [INFO] [stdout] | -------- the item `UnixStream` is already imported here [INFO] [stdout] ... [INFO] [stdout] 669 | use std::os::unix::net::UnixStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Body` is imported redundantly [INFO] [stdout] --> src/server.rs:672:9 [INFO] [stdout] | [INFO] [stdout] 666 | use super::*; [INFO] [stdout] | -------- the item `Body` is already imported here [INFO] [stdout] ... [INFO] [stdout] 672 | use crate::common::Body; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/router.rs:109:23 [INFO] [stdout] | [INFO] [stdout] 109 | struct HandlerArg(bool); [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 109 | struct HandlerArg(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s [INFO] running `Command { std: "docker" "inspect" "1bec1a053849b2516b8be56985bc1e0462d6f748e798eece89a0c21f51723303", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bec1a053849b2516b8be56985bc1e0462d6f748e798eece89a0c21f51723303", kill_on_drop: false }` [INFO] [stdout] 1bec1a053849b2516b8be56985bc1e0462d6f748e798eece89a0c21f51723303 [INFO] checking firecracker-microvm/micro-http against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirecracker-microvm%2Fmicro-http" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/firecracker-microvm/micro-http on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/firecracker-microvm/micro-http [INFO] finished tweaking git repo https://github.com/firecracker-microvm/micro-http [INFO] tweaked toml for git repo https://github.com/firecracker-microvm/micro-http written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/firecracker-microvm/micro-http 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40df5ba9fe3e5de22dbd31f2a19859212e885ec19b944b41099227fe1788d46c [INFO] running `Command { std: "docker" "start" "-a" "40df5ba9fe3e5de22dbd31f2a19859212e885ec19b944b41099227fe1788d46c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40df5ba9fe3e5de22dbd31f2a19859212e885ec19b944b41099227fe1788d46c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40df5ba9fe3e5de22dbd31f2a19859212e885ec19b944b41099227fe1788d46c", kill_on_drop: false }` [INFO] [stdout] 40df5ba9fe3e5de22dbd31f2a19859212e885ec19b944b41099227fe1788d46c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55788755ef248008909f2ff4ed0dd31196220c6a414ad573523b53f8b97422dc [INFO] running `Command { std: "docker" "start" "-a" "55788755ef248008909f2ff4ed0dd31196220c6a414ad573523b53f8b97422dc", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling micro_http v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking vmm-sys-util v0.12.1 [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/common/headers.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/common/headers.rs:435:9 [INFO] [stdout] | [INFO] [stdout] 434 | use super::*; [INFO] [stdout] | -------- the item `HashMap` is already imported here [INFO] [stdout] 435 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MAX_PAYLOAD_SIZE` is imported redundantly [INFO] [stdout] --> src/connection.rs:562:9 [INFO] [stdout] | [INFO] [stdout] 560 | use super::*; [INFO] [stdout] | -------- the item `MAX_PAYLOAD_SIZE` is already imported here [INFO] [stdout] 561 | use crate::common::{Method, Version}; [INFO] [stdout] 562 | use crate::server::MAX_PAYLOAD_SIZE; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/server.rs:667:19 [INFO] [stdout] | [INFO] [stdout] 666 | use super::*; [INFO] [stdout] | -------- the item `Read` is already imported here [INFO] [stdout] 667 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/server.rs:667:25 [INFO] [stdout] | [INFO] [stdout] 666 | use super::*; [INFO] [stdout] | -------- the item `Write` is already imported here [INFO] [stdout] 667 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `UnixStream` is imported redundantly [INFO] [stdout] --> src/server.rs:669:9 [INFO] [stdout] | [INFO] [stdout] 666 | use super::*; [INFO] [stdout] | -------- the item `UnixStream` is already imported here [INFO] [stdout] ... [INFO] [stdout] 669 | use std::os::unix::net::UnixStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Body` is imported redundantly [INFO] [stdout] --> src/server.rs:672:9 [INFO] [stdout] | [INFO] [stdout] 666 | use super::*; [INFO] [stdout] | -------- the item `Body` is already imported here [INFO] [stdout] ... [INFO] [stdout] 672 | use crate::common::Body; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/common/headers.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/router.rs:109:23 [INFO] [stdout] | [INFO] [stdout] 109 | struct HandlerArg(bool); [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 109 | struct HandlerArg(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s [INFO] running `Command { std: "docker" "inspect" "55788755ef248008909f2ff4ed0dd31196220c6a414ad573523b53f8b97422dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55788755ef248008909f2ff4ed0dd31196220c6a414ad573523b53f8b97422dc", kill_on_drop: false }` [INFO] [stdout] 55788755ef248008909f2ff4ed0dd31196220c6a414ad573523b53f8b97422dc