[INFO] updating cached repository https://github.com/museun/md2
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 908aab10308e70b2b6c6288761ac600b37e60417
[INFO] checking museun/md2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fmd2" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/md2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/museun/md2
[INFO] finished tweaking git repo https://github.com/museun/md2
[INFO] tweaked toml for git repo https://github.com/museun/md2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/md2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df4cfa1232c29bc79e2c3a66cdda78e891666000560e898b37a91a7c46851ecb
[INFO] running `"docker" "start" "-a" "df4cfa1232c29bc79e2c3a66cdda78e891666000560e898b37a91a7c46851ecb"`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking env_logger v0.5.12
[INFO] [stderr]     Checking md2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/header.rs:54:30
[INFO] [stderr]    |
[INFO] [stderr] 54 |           const IDENT: int_t = ((('2' as int_t) << 24)
[INFO] [stderr]    |  ______________________________^
[INFO] [stderr] 55 | |             + (('P' as int_t) << 16)
[INFO] [stderr] 56 | |             + (('D' as int_t) << 8)
[INFO] [stderr] 57 | |             + 'I' as int_t);
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 54 |         const IDENT: int_t = (('2' as int_t) << 24)
[INFO] [stderr] 55 |             + (('P' as int_t) << 16)
[INFO] [stderr] 56 |             + (('D' as int_t) << 8)
[INFO] [stderr] 57 |             + 'I' as int_t;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/header.rs:54:30
[INFO] [stderr]    |
[INFO] [stderr] 54 |           const IDENT: int_t = ((('2' as int_t) << 24)
[INFO] [stderr]    |  ______________________________^
[INFO] [stderr] 55 | |             + (('P' as int_t) << 16)
[INFO] [stderr] 56 | |             + (('D' as int_t) << 8)
[INFO] [stderr] 57 | |             + 'I' as int_t);
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 54 |         const IDENT: int_t = (('2' as int_t) << 24)
[INFO] [stderr] 55 |             + (('P' as int_t) << 16)
[INFO] [stderr] 56 |             + (('D' as int_t) << 8)
[INFO] [stderr] 57 |             + 'I' as int_t;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `tool_attributes` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(tool_attributes)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `tool_attributes` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(tool_attributes)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.59s
[INFO] running `"docker" "inspect" "df4cfa1232c29bc79e2c3a66cdda78e891666000560e898b37a91a7c46851ecb"`
[INFO] running `"docker" "rm" "-f" "df4cfa1232c29bc79e2c3a66cdda78e891666000560e898b37a91a7c46851ecb"`
[INFO] [stdout] df4cfa1232c29bc79e2c3a66cdda78e891666000560e898b37a91a7c46851ecb