[INFO] fetching crate syslib 0.0.0...
[INFO] checking syslib-0.0.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate syslib 0.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate syslib 0.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate syslib 0.0.0
[INFO] tweaked toml for crates.io crate syslib 0.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syslib 0.0.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syslib 0.0.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syslib-macro v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e609a5c89e852ee5ed664bff807ab7ac96a0c5b7bfe94822e25cb66add030c3
[INFO] running `Command { std: "docker" "start" "-a" "9e609a5c89e852ee5ed664bff807ab7ac96a0c5b7bfe94822e25cb66add030c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e609a5c89e852ee5ed664bff807ab7ac96a0c5b7bfe94822e25cb66add030c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e609a5c89e852ee5ed664bff807ab7ac96a0c5b7bfe94822e25cb66add030c3", kill_on_drop: false }`
[INFO] [stdout] 9e609a5c89e852ee5ed664bff807ab7ac96a0c5b7bfe94822e25cb66add030c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccf3acdc3098ef15ff63814b58f7b209150c576316fb76e8863858e54c81fa7c
[INFO] running `Command { std: "docker" "start" "-a" "ccf3acdc3098ef15ff63814b58f7b209150c576316fb76e8863858e54c81fa7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling syslib-macro v0.0.0
[INFO] [stderr]     Checking syslib v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:74:32
[INFO] [stdout]     |
[INFO] [stdout]  74 |           $vis struct $name($vis $ty);
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout]  75 | |         impl $name {
[INFO] [stdout]  76 | |             $vis const NONE: Self = Self(0);
[INFO] [stdout]  77 | |             $(
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |                 #[derive(Debug)]
[INFO] [stdout] 132 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/x86_64/epoll.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout]   5 | / c_flags!{
[INFO] [stdout]   6 | |     pub Flags(u32) {
[INFO] [stdout]   7 | |         CLOSE_ON_EXEC = 0o2000000
[INFO] [stdout]   8 | |     } _ => Err(crate::Error::EINVAL)
[INFO] [stdout]   9 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:74:32
[INFO] [stdout]     |
[INFO] [stdout]  74 |           $vis struct $name($vis $ty);
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout]  75 | |         impl $name {
[INFO] [stdout]  76 | |             $vis const NONE: Self = Self(0);
[INFO] [stdout]  77 | |             $(
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |                 #[derive(Debug)]
[INFO] [stdout] 132 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/x86_64/epoll.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout]  11 | / c_flags!{
[INFO] [stdout]  12 | |     pub Events(u32) {
[INFO] [stdout]  13 | |         INPUT = 0x01,
[INFO] [stdout]  14 | |         OUTPUT = 0x04,
[INFO] [stdout] ...   |
[INFO] [stdout]  17 | |     } _ => Err(crate::Error::EINVAL)
[INFO] [stdout]  18 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:74:32
[INFO] [stdout]     |
[INFO] [stdout]  74 |           $vis struct $name($vis $ty);
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout]  75 | |         impl $name {
[INFO] [stdout]  76 | |             $vis const NONE: Self = Self(0);
[INFO] [stdout]  77 | |             $(
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |                 #[derive(Debug)]
[INFO] [stdout] 132 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/x86_64.rs:656:5
[INFO] [stdout]     |
[INFO] [stdout] 656 | /     crate::c_flags!{
[INFO] [stdout] 657 | |         pub Flags(u32) {
[INFO] [stdout] 658 | |             READ_ONLY = 0b00,
[INFO] [stdout] 659 | |             WRITE_ONLY = 0b01,
[INFO] [stdout] ...   |
[INFO] [stdout] 666 | |         } _ => Err(Error::EINVAL)
[INFO] [stdout] 667 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `crate::c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:74:32
[INFO] [stdout]     |
[INFO] [stdout]  74 |            $vis struct $name($vis $ty);
[INFO] [stdout]     |   ________________________________^
[INFO] [stdout]  75 |  |         impl $name {
[INFO] [stdout]  76 |  |             $vis const NONE: Self = Self(0);
[INFO] [stdout]  77 |  |             $(
[INFO] [stdout] ...    |
[INFO] [stdout] 131 |  |                 #[derive(Debug)]
[INFO] [stdout] 132 |  |                 struct Unknown($ty);
[INFO] [stdout]     |  |________________________-------___^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           field in this struct
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sock.rs:67:1
[INFO] [stdout]     |
[INFO] [stdout]  67 | /  c_flags!{
[INFO] [stdout]  68 | |      pub Flags(u32) {
[INFO] [stdout]  69 | |          OOB = 0x01,
[INFO] [stdout]  70 | |          PEEK = 0x02,
[INFO] [stdout] ...   |
[INFO] [stdout]  74 | |      } _ => Err(crate::Error::EINVAL)
[INFO] [stdout]  75 | |  }
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:74:32
[INFO] [stdout]     |
[INFO] [stdout]  74 |           $vis struct $name($vis $ty);
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout]  75 | |         impl $name {
[INFO] [stdout]  76 | |             $vis const NONE: Self = Self(0);
[INFO] [stdout]  77 | |             $(
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |                 #[derive(Debug)]
[INFO] [stdout] 132 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/x86_64/epoll.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout]   5 | / c_flags!{
[INFO] [stdout]   6 | |     pub Flags(u32) {
[INFO] [stdout]   7 | |         CLOSE_ON_EXEC = 0o2000000
[INFO] [stdout]   8 | |     } _ => Err(crate::Error::EINVAL)
[INFO] [stdout]   9 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:74:32
[INFO] [stdout]     |
[INFO] [stdout]  74 |           $vis struct $name($vis $ty);
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout]  75 | |         impl $name {
[INFO] [stdout]  76 | |             $vis const NONE: Self = Self(0);
[INFO] [stdout]  77 | |             $(
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |                 #[derive(Debug)]
[INFO] [stdout] 132 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/x86_64/epoll.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout]  11 | / c_flags!{
[INFO] [stdout]  12 | |     pub Events(u32) {
[INFO] [stdout]  13 | |         INPUT = 0x01,
[INFO] [stdout]  14 | |         OUTPUT = 0x04,
[INFO] [stdout] ...   |
[INFO] [stdout]  17 | |     } _ => Err(crate::Error::EINVAL)
[INFO] [stdout]  18 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:74:32
[INFO] [stdout]     |
[INFO] [stdout]  74 |           $vis struct $name($vis $ty);
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout]  75 | |         impl $name {
[INFO] [stdout]  76 | |             $vis const NONE: Self = Self(0);
[INFO] [stdout]  77 | |             $(
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |                 #[derive(Debug)]
[INFO] [stdout] 132 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/x86_64.rs:656:5
[INFO] [stdout]     |
[INFO] [stdout] 656 | /     crate::c_flags!{
[INFO] [stdout] 657 | |         pub Flags(u32) {
[INFO] [stdout] 658 | |             READ_ONLY = 0b00,
[INFO] [stdout] 659 | |             WRITE_ONLY = 0b01,
[INFO] [stdout] ...   |
[INFO] [stdout] 666 | |         } _ => Err(Error::EINVAL)
[INFO] [stdout] 667 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `crate::c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:74:32
[INFO] [stdout]     |
[INFO] [stdout]  74 |            $vis struct $name($vis $ty);
[INFO] [stdout]     |   ________________________________^
[INFO] [stdout]  75 |  |         impl $name {
[INFO] [stdout]  76 |  |             $vis const NONE: Self = Self(0);
[INFO] [stdout]  77 |  |             $(
[INFO] [stdout] ...    |
[INFO] [stdout] 131 |  |                 #[derive(Debug)]
[INFO] [stdout] 132 |  |                 struct Unknown($ty);
[INFO] [stdout]     |  |________________________-------___^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           field in this struct
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sock.rs:67:1
[INFO] [stdout]     |
[INFO] [stdout]  67 | /  c_flags!{
[INFO] [stdout]  68 | |      pub Flags(u32) {
[INFO] [stdout]  69 | |          OOB = 0x01,
[INFO] [stdout]  70 | |          PEEK = 0x02,
[INFO] [stdout] ...   |
[INFO] [stdout]  74 | |      } _ => Err(crate::Error::EINVAL)
[INFO] [stdout]  75 | |  }
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "ccf3acdc3098ef15ff63814b58f7b209150c576316fb76e8863858e54c81fa7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf3acdc3098ef15ff63814b58f7b209150c576316fb76e8863858e54c81fa7c", kill_on_drop: false }`
[INFO] [stdout] ccf3acdc3098ef15ff63814b58f7b209150c576316fb76e8863858e54c81fa7c