Nov 30 20:47:04.247 INFO checking ipaddr-0.0.3 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 20:47:04.248 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 20:47:04.745 INFO [stdout] 87c883e69beb80f6ca9538bf286a473709586b11caa5a155513ba240953d701c
Nov 30 20:47:04.747 INFO running `"docker" "start" "-a" "87c883e69beb80f6ca9538bf286a473709586b11caa5a155513ba240953d701c"`
Nov 30 20:47:07.304 INFO [stderr] usermod: no changes
Nov 30 20:47:07.384 INFO [stderr]     Checking ipaddr v0.0.3 (/source)
Nov 30 20:47:09.132 INFO [stderr] warning: unused variable: `f`
Nov 30 20:47:09.132 INFO [stderr]   --> src/ipv6/network.rs:57:19
Nov 30 20:47:09.132 INFO [stderr]    |
Nov 30 20:47:09.132 INFO [stderr] 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Nov 30 20:47:09.132 INFO [stderr]    |                   ^ help: consider using `_f` instead
Nov 30 20:47:09.132 INFO [stderr]    |
Nov 30 20:47:09.132 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 20:47:09.132 INFO [stderr] 
Nov 30 20:47:09.132 INFO [stderr] warning: unused variable: `f`
Nov 30 20:47:09.132 INFO [stderr]   --> src/ipv6/network.rs:63:19
Nov 30 20:47:09.132 INFO [stderr]    |
Nov 30 20:47:09.132 INFO [stderr] 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Nov 30 20:47:09.132 INFO [stderr]    |                   ^ help: consider using `_f` instead
Nov 30 20:47:09.132 INFO [stderr] 
Nov 30 20:47:09.832 INFO [stderr] warning: unused variable: `f`
Nov 30 20:47:09.832 INFO [stderr]   --> src/ipv6/network.rs:57:19
Nov 30 20:47:09.833 INFO [stderr]    |
Nov 30 20:47:09.833 INFO [stderr] 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Nov 30 20:47:09.833 INFO [stderr]    |                   ^ help: consider using `_f` instead
Nov 30 20:47:09.833 INFO [stderr]    |
Nov 30 20:47:09.833 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 20:47:09.833 INFO [stderr] 
Nov 30 20:47:09.833 INFO [stderr] warning: unused variable: `f`
Nov 30 20:47:09.833 INFO [stderr]   --> src/ipv6/network.rs:63:19
Nov 30 20:47:09.833 INFO [stderr]    |
Nov 30 20:47:09.833 INFO [stderr] 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Nov 30 20:47:09.833 INFO [stderr]    |                   ^ help: consider using `_f` instead
Nov 30 20:47:09.833 INFO [stderr] 
Nov 30 20:47:10.125 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:47:10.125 INFO [stderr]    --> src/ipv6/address/format.rs:451:9
Nov 30 20:47:10.125 INFO [stderr]     |
Nov 30 20:47:10.125 INFO [stderr] 451 | /         ip.formatter(&mut s)
Nov 30 20:47:10.125 INFO [stderr] 452 | |             .upper_case(true)
Nov 30 20:47:10.125 INFO [stderr] 453 | |             .ellipsis(false)
Nov 30 20:47:10.125 INFO [stderr] 454 | |             .write();
Nov 30 20:47:10.125 INFO [stderr]     | |_____________________^
Nov 30 20:47:10.125 INFO [stderr]     |
Nov 30 20:47:10.125 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 20:47:10.125 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:47:10.125 INFO [stderr] 
Nov 30 20:47:10.212 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
Nov 30 20:47:10.215 INFO [stderr] su: No module specific data is present
Nov 30 20:47:11.318 INFO running `"docker" "inspect" "87c883e69beb80f6ca9538bf286a473709586b11caa5a155513ba240953d701c"`
Nov 30 20:47:11.654 INFO running `"docker" "rm" "-f" "87c883e69beb80f6ca9538bf286a473709586b11caa5a155513ba240953d701c"`
Nov 30 20:47:11.940 INFO [stdout] 87c883e69beb80f6ca9538bf286a473709586b11caa5a155513ba240953d701c