Dec 18 17:45:36.783 INFO checking cargo2-0.2.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:45:36.783 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/cargo2/0.2.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:45:37.016 INFO [stdout] 51a0e1ef18f8a9356f19f46c59be95e0fe4c2aca683b1f726dfb0fd5b9486990
Dec 18 17:45:37.016 INFO running `"docker" "start" "-a" "51a0e1ef18f8a9356f19f46c59be95e0fe4c2aca683b1f726dfb0fd5b9486990"`
Dec 18 17:45:37.862 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 18 17:45:37.914 INFO [stderr]     Checking cargo2 v0.2.2 (/opt/crater/workdir)
Dec 18 17:45:38.517 INFO [stderr] warning: unused import: `serde`
Dec 18 17:45:38.517 INFO [stderr]  --> src/metadata.rs:1:5
Dec 18 17:45:38.517 INFO [stderr]   |
Dec 18 17:45:38.517 INFO [stderr] 1 | use serde;
Dec 18 17:45:38.517 INFO [stderr]   |     ^^^^^
Dec 18 17:45:38.517 INFO [stderr]   |
Dec 18 17:45:38.517 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:45:38.517 INFO [stderr] 
Dec 18 17:45:38.582 INFO [stderr] warning: unused import: `serde`
Dec 18 17:45:38.582 INFO [stderr]  --> src/metadata.rs:1:5
Dec 18 17:45:38.582 INFO [stderr]   |
Dec 18 17:45:38.582 INFO [stderr] 1 | use serde;
Dec 18 17:45:38.582 INFO [stderr]   |     ^^^^^
Dec 18 17:45:38.582 INFO [stderr]   |
Dec 18 17:45:38.582 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:45:38.582 INFO [stderr] 
Dec 18 17:45:38.637 INFO [stderr] warning: unused variable: `entry`
Dec 18 17:45:38.637 INFO [stderr]   --> src/license.rs:28:13
Dec 18 17:45:38.637 INFO [stderr]    |
Dec 18 17:45:38.637 INFO [stderr] 28 |         let entry = license_map
Dec 18 17:45:38.637 INFO [stderr]    |             ^^^^^ help: consider using `_entry` instead
Dec 18 17:45:38.637 INFO [stderr]    |
Dec 18 17:45:38.637 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:45:38.637 INFO [stderr] 
Dec 18 17:45:38.637 INFO [stderr] warning: unused variable: `m`
Dec 18 17:45:38.637 INFO [stderr]   --> src/main.rs:31:25
Dec 18 17:45:38.637 INFO [stderr]    |
Dec 18 17:45:38.637 INFO [stderr] 31 |         ("bundle", Some(m)) => {}
Dec 18 17:45:38.637 INFO [stderr]    |                         ^ help: consider using `_m` instead
Dec 18 17:45:38.637 INFO [stderr] 
Dec 18 17:45:38.637 INFO [stderr] warning: unused variable: `m`
Dec 18 17:45:38.637 INFO [stderr]   --> src/main.rs:32:24
Dec 18 17:45:38.637 INFO [stderr]    |
Dec 18 17:45:38.637 INFO [stderr] 32 |         ("check", Some(m)) => {}
Dec 18 17:45:38.637 INFO [stderr]    |                        ^ help: consider using `_m` instead
Dec 18 17:45:38.637 INFO [stderr] 
Dec 18 17:45:38.652 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:45:38.652 INFO [stderr]   --> src/license.rs:14:9
Dec 18 17:45:38.652 INFO [stderr]    |
Dec 18 17:45:38.652 INFO [stderr] 14 |     let mut parts = split_license(license);
Dec 18 17:45:38.652 INFO [stderr]    |         ----^^^^^
Dec 18 17:45:38.652 INFO [stderr]    |         |
Dec 18 17:45:38.652 INFO [stderr]    |         help: remove this `mut`
Dec 18 17:45:38.652 INFO [stderr]    |
Dec 18 17:45:38.652 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 17:45:38.652 INFO [stderr] 
Dec 18 17:45:38.689 INFO [stderr] warning: function is never used: `check_licenses`
Dec 18 17:45:38.690 INFO [stderr]   --> src/license.rs:38:1
Dec 18 17:45:38.690 INFO [stderr]    |
Dec 18 17:45:38.690 INFO [stderr] 38 | pub fn check_licenses() {
Dec 18 17:45:38.690 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:45:38.690 INFO [stderr]    |
Dec 18 17:45:38.690 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 17:45:38.690 INFO [stderr] 
Dec 18 17:45:38.690 INFO [stderr] warning: function is never used: `bundle_licenses`
Dec 18 17:45:38.690 INFO [stderr]   --> src/license.rs:41:1
Dec 18 17:45:38.690 INFO [stderr]    |
Dec 18 17:45:38.690 INFO [stderr] 41 | pub fn bundle_licenses() {
Dec 18 17:45:38.690 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:45:38.690 INFO [stderr] 
Dec 18 17:45:38.690 INFO [stderr] warning: function is never used: `split_multiple`
Dec 18 17:45:38.690 INFO [stderr]  --> src/util.rs:1:1
Dec 18 17:45:38.690 INFO [stderr]   |
Dec 18 17:45:38.690 INFO [stderr] 1 | pub fn split_multiple() {}
Dec 18 17:45:38.690 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:45:38.690 INFO [stderr] 
Dec 18 17:45:38.709 INFO [stderr] warning: unused variable: `entry`
Dec 18 17:45:38.709 INFO [stderr]   --> src/license.rs:28:13
Dec 18 17:45:38.709 INFO [stderr]    |
Dec 18 17:45:38.709 INFO [stderr] 28 |         let entry = license_map
Dec 18 17:45:38.709 INFO [stderr]    |             ^^^^^ help: consider using `_entry` instead
Dec 18 17:45:38.710 INFO [stderr]    |
Dec 18 17:45:38.710 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:45:38.710 INFO [stderr] 
Dec 18 17:45:38.710 INFO [stderr] warning: unused variable: `m`
Dec 18 17:45:38.710 INFO [stderr]   --> src/main.rs:31:25
Dec 18 17:45:38.710 INFO [stderr]    |
Dec 18 17:45:38.710 INFO [stderr] 31 |         ("bundle", Some(m)) => {}
Dec 18 17:45:38.710 INFO [stderr]    |                         ^ help: consider using `_m` instead
Dec 18 17:45:38.710 INFO [stderr] 
Dec 18 17:45:38.710 INFO [stderr] warning: unused variable: `m`
Dec 18 17:45:38.710 INFO [stderr]   --> src/main.rs:32:24
Dec 18 17:45:38.710 INFO [stderr]    |
Dec 18 17:45:38.710 INFO [stderr] 32 |         ("check", Some(m)) => {}
Dec 18 17:45:38.710 INFO [stderr]    |                        ^ help: consider using `_m` instead
Dec 18 17:45:38.710 INFO [stderr] 
Dec 18 17:45:38.716 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:45:38.716 INFO [stderr]   --> src/license.rs:14:9
Dec 18 17:45:38.716 INFO [stderr]    |
Dec 18 17:45:38.716 INFO [stderr] 14 |     let mut parts = split_license(license);
Dec 18 17:45:38.716 INFO [stderr]    |         ----^^^^^
Dec 18 17:45:38.716 INFO [stderr]    |         |
Dec 18 17:45:38.717 INFO [stderr]    |         help: remove this `mut`
Dec 18 17:45:38.717 INFO [stderr]    |
Dec 18 17:45:38.717 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 17:45:38.717 INFO [stderr] 
Dec 18 17:45:38.761 INFO [stderr] warning: function is never used: `check_licenses`
Dec 18 17:45:38.761 INFO [stderr]   --> src/license.rs:38:1
Dec 18 17:45:38.761 INFO [stderr]    |
Dec 18 17:45:38.761 INFO [stderr] 38 | pub fn check_licenses() {
Dec 18 17:45:38.761 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:45:38.761 INFO [stderr]    |
Dec 18 17:45:38.761 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 17:45:38.761 INFO [stderr] 
Dec 18 17:45:38.761 INFO [stderr] warning: function is never used: `bundle_licenses`
Dec 18 17:45:38.761 INFO [stderr]   --> src/license.rs:41:1
Dec 18 17:45:38.761 INFO [stderr]    |
Dec 18 17:45:38.761 INFO [stderr] 41 | pub fn bundle_licenses() {
Dec 18 17:45:38.761 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:45:38.761 INFO [stderr] 
Dec 18 17:45:38.761 INFO [stderr] warning: function is never used: `split_multiple`
Dec 18 17:45:38.761 INFO [stderr]  --> src/util.rs:1:1
Dec 18 17:45:38.761 INFO [stderr]   |
Dec 18 17:45:38.761 INFO [stderr] 1 | pub fn split_multiple() {}
Dec 18 17:45:38.761 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:45:38.761 INFO [stderr] 
Dec 18 17:45:38.797 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 18 17:45:39.270 INFO running `"docker" "inspect" "51a0e1ef18f8a9356f19f46c59be95e0fe4c2aca683b1f726dfb0fd5b9486990"`
Dec 18 17:45:39.462 INFO running `"docker" "rm" "-f" "51a0e1ef18f8a9356f19f46c59be95e0fe4c2aca683b1f726dfb0fd5b9486990"`
Dec 18 17:45:39.575 INFO [stdout] 51a0e1ef18f8a9356f19f46c59be95e0fe4c2aca683b1f726dfb0fd5b9486990