[INFO] fetching crate xbnet 1.1.0... [INFO] checking xbnet-1.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate xbnet 1.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate xbnet 1.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xbnet 1.1.0 [INFO] finished tweaking crates.io crate xbnet 1.1.0 [INFO] tweaked toml for crates.io crate xbnet 1.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate xbnet 1.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded format_escape_default v0.1.1 [INFO] [stderr] Downloaded structopt-derive v0.4.11 [INFO] [stderr] Downloaded tun-tap v0.1.2 [INFO] [stderr] Downloaded simplelog v0.7.6 [INFO] [stderr] Downloaded libudev v0.2.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.22 [INFO] [stderr] Downloaded serialport v3.3.0 [INFO] [stderr] Downloaded cc v1.0.60 [INFO] [stderr] Downloaded etherparse v0.9.0 [INFO] [stderr] Downloaded chrono v0.4.16 [INFO] [stderr] Downloaded syn v1.0.41 [INFO] [stderr] Downloaded structopt v0.3.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8208b78f573619a1772ffa97351d181de530e9f63710cba8ee0b49334c13f8c8 [INFO] running `Command { std: "docker" "start" "-a" "8208b78f573619a1772ffa97351d181de530e9f63710cba8ee0b49334c13f8c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8208b78f573619a1772ffa97351d181de530e9f63710cba8ee0b49334c13f8c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8208b78f573619a1772ffa97351d181de530e9f63710cba8ee0b49334c13f8c8", kill_on_drop: false }` [INFO] [stdout] 8208b78f573619a1772ffa97351d181de530e9f63710cba8ee0b49334c13f8c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67296b7f7c279db1144a73590ebaa0856d2cf01520d6f06e1dc0f2eefdbee942 [INFO] running `Command { std: "docker" "start" "-a" "67296b7f7c279db1144a73590ebaa0856d2cf01520d6f06e1dc0f2eefdbee942", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling proc-macro2 v1.0.22 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking chrono v0.4.16 [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Checking etherparse v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking format_escape_default v0.1.1 [INFO] [stderr] Checking simplelog v0.7.6 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Compiling structopt-derive v0.4.11 [INFO] [stderr] Checking structopt v0.3.18 [INFO] [stderr] Checking xbnet v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/ping.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` 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 `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/pipe.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/tap.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/tun.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/ping.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` 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 `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/xb.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex` is imported redundantly [INFO] [stdout] --> src/xb.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use hex; [INFO] [stdout] | ^^^ the item `hex` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/pipe.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::*` [INFO] [stdout] --> src/xbpacket.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use log::*; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/tap.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex` is imported redundantly [INFO] [stdout] --> src/xbrx.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use hex; [INFO] [stdout] | ^^^ the item `hex` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/tun.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/xb.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use crossbeam_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex` is imported redundantly [INFO] [stdout] --> src/xb.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use hex; [INFO] [stdout] | ^^^ the item `hex` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::*` [INFO] [stdout] --> src/xbpacket.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use log::*; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex` is imported redundantly [INFO] [stdout] --> src/xbrx.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use hex; [INFO] [stdout] | ^^^ the item `hex` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/xbpacket.rs:201:23 [INFO] [stdout] | [INFO] [stdout] 201 | .map_err(|e| String::from("More than 255 chunks to transmit"))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/xbpacket.rs:201:23 [INFO] [stdout] | [INFO] [stdout] 201 | .map_err(|e| String::from("More than 255 chunks to transmit"))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `myxbmac` and `name` are never read [INFO] [stdout] --> src/tap.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct XBTap { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 41 | pub myxbmac: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 42 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `XBTap` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `myxbmac` and `name` are never read [INFO] [stdout] --> src/tap.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct XBTap { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 41 | pub myxbmac: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 42 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `XBTap` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `showmac` is never used [INFO] [stdout] --> src/tap.rs:177:8 [INFO] [stdout] | [INFO] [stdout] 177 | pub fn showmac(mac: &[u8; 6]) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `showmac` is never used [INFO] [stdout] --> src/tap.rs:177:8 [INFO] [stdout] | [INFO] [stdout] 177 | pub fn showmac(mac: &[u8; 6]) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `myxbmac` and `name` are never read [INFO] [stdout] --> src/tun.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct XBTun { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 41 | pub myxbmac: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 42 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `XBTun` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `myxbmac` and `name` are never read [INFO] [stdout] --> src/tun.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct XBTun { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 41 | pub myxbmac: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 42 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `XBTun` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mkerror` is never used [INFO] [stdout] --> src/xb.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn mkerror(msg: &str) -> Error { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mkerror` is never used [INFO] [stdout] --> src/xb.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn mkerror(msg: &str) -> Error { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `assert_response` is never used [INFO] [stdout] --> src/xb.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn assert_response(resp: String, expected: String) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `assert_response` is never used [INFO] [stdout] --> src/xb.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn assert_response(resp: String, expected: String) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `U16` is never constructed [INFO] [stdout] --> src/xbpacket.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub enum XBDestAddr { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 29 | /// A 16-bit destination address. When a 64-bit address is given, this is transmitted as 0xFFFE. [INFO] [stdout] 30 | U16(u16), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `XBDestAddr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mac64to48` is never used [INFO] [stdout] --> src/xbpacket.rs:144:8 [INFO] [stdout] | [INFO] [stdout] 144 | pub fn mac64to48(mac64: u64) -> [u8; 6] { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `U16` is never constructed [INFO] [stdout] --> src/xbpacket.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub enum XBDestAddr { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 29 | /// A 16-bit destination address. When a 64-bit address is given, this is transmitted as 0xFFFE. [INFO] [stdout] 30 | U16(u16), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `XBDestAddr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mac48to64` is never used [INFO] [stdout] --> src/xbpacket.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | pub fn mac48to64(mac48: &[u8; 6], pattern64: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mac64to48` is never used [INFO] [stdout] --> src/xbpacket.rs:144:8 [INFO] [stdout] | [INFO] [stdout] 144 | pub fn mac64to48(mac64: u64) -> [u8; 6] { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mac48to64` is never used [INFO] [stdout] --> src/xbpacket.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | pub fn mac48to64(mac48: &[u8; 6], pattern64: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `discardframes` is never used [INFO] [stdout] --> src/xbrx.rs:157:12 [INFO] [stdout] | [INFO] [stdout] 131 | impl XBReframer { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 157 | pub fn discardframes(&mut self, ser: &mut XBSerReader) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `discardframes` is never used [INFO] [stdout] --> src/xbrx.rs:157:12 [INFO] [stdout] | [INFO] [stdout] 131 | impl XBReframer { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 157 | pub fn discardframes(&mut self, ser: &mut XBSerReader) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.80s [INFO] running `Command { std: "docker" "inspect" "67296b7f7c279db1144a73590ebaa0856d2cf01520d6f06e1dc0f2eefdbee942", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67296b7f7c279db1144a73590ebaa0856d2cf01520d6f06e1dc0f2eefdbee942", kill_on_drop: false }` [INFO] [stdout] 67296b7f7c279db1144a73590ebaa0856d2cf01520d6f06e1dc0f2eefdbee942 [INFO] checking xbnet-1.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate xbnet 1.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate xbnet 1.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xbnet 1.1.0 [INFO] finished tweaking crates.io crate xbnet 1.1.0 [INFO] tweaked toml for crates.io crate xbnet 1.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate xbnet 1.1.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f788d8439243ed57c419635a8a82b2afcb3398a8bc4f0d3c2bd446ef07872666 [INFO] running `Command { std: "docker" "start" "-a" "f788d8439243ed57c419635a8a82b2afcb3398a8bc4f0d3c2bd446ef07872666", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f788d8439243ed57c419635a8a82b2afcb3398a8bc4f0d3c2bd446ef07872666", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f788d8439243ed57c419635a8a82b2afcb3398a8bc4f0d3c2bd446ef07872666", kill_on_drop: false }` [INFO] [stdout] f788d8439243ed57c419635a8a82b2afcb3398a8bc4f0d3c2bd446ef07872666 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 726eb500a77a4c955a9f1e0cebbdaa1eba9efee9a38c9e0fed2be705e3e61a70 [INFO] running `Command { std: "docker" "start" "-a" "726eb500a77a4c955a9f1e0cebbdaa1eba9efee9a38c9e0fed2be705e3e61a70", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling proc-macro2 v1.0.22 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libudev-0.2.0/src/enumerator.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | / match self.enumerator.context.device_from_syspath(syspath) { [INFO] [stdout] 160 | | Ok(d) => return Some(d), [INFO] [stdout] 161 | | Err(_) => continue [INFO] [stdout] 162 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libudev` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "726eb500a77a4c955a9f1e0cebbdaa1eba9efee9a38c9e0fed2be705e3e61a70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "726eb500a77a4c955a9f1e0cebbdaa1eba9efee9a38c9e0fed2be705e3e61a70", kill_on_drop: false }` [INFO] [stdout] 726eb500a77a4c955a9f1e0cebbdaa1eba9efee9a38c9e0fed2be705e3e61a70