[INFO] updating cached repository https://github.com/chrisf1337/magician
[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] 522459c534dcdf08ba33a708930cdebc5d4ce176
[INFO] checking chrisf1337/magician against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisf1337%2Fmagician" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisf1337/magician 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/chrisf1337/magician
[INFO] finished tweaking git repo https://github.com/chrisf1337/magician
[INFO] tweaked toml for git repo https://github.com/chrisf1337/magician written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisf1337/magician already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dac1eee99819e29ab712b94cc447e4bcc0c45eb083ed2f759fbf65207d1788a7
[INFO] running `"docker" "start" "-a" "dac1eee99819e29ab712b94cc447e4bcc0c45eb083ed2f759fbf65207d1788a7"`
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking magician v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/magicparser/postparse.rs:14:48
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/magicparser/postparse.rs:16:44
[INFO] [stderr]    |
[INFO] [stderr] 16 | static DOM_NODE_NEXT_ID_NUM: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr] warning: value assigned to `parser_err` is never read
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:327:13
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let mut parser_err: Option<SelectorParserError> = None;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FirstOfType`
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     FirstOfType(Pos),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LastOfType`
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     LastOfType(Pos),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches_simple_selector`
[INFO] [stderr]  --> src/style/selectormatcher.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn matches_simple_selector(
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches_attr_selector`
[INFO] [stderr]   --> src/style/selectormatcher.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn matches_attr_selector(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches_pseudo_class_selector`
[INFO] [stderr]    --> src/style/selectormatcher.rs:119:4
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn matches_pseudo_class_selector(dom_node: &DomNodeRef, selector: &PseudoClassSelector) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matching_child_combinator_nodes`
[INFO] [stderr]    --> src/style/selectormatcher.rs:191:4
[INFO] [stderr]     |
[INFO] [stderr] 191 | fn matching_child_combinator_nodes(dom_node: &DomNodeRef, selector: &Selector) -> Vec<DomNodeRef> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matching_gen_sib_combinator_nodes`
[INFO] [stderr]    --> src/style/selectormatcher.rs:209:4
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn matching_gen_sib_combinator_nodes(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches`
[INFO] [stderr]    --> src/style/selectormatcher.rs:230:4
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn matches(dom_node: &DomNodeRef, selector: &Selector) -> bool {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/magicparser/postparse.rs:14:48
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/magicparser/postparse.rs:16:44
[INFO] [stderr]    |
[INFO] [stderr] 16 | static DOM_NODE_NEXT_ID_NUM: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `parser_err` is never read
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:327:13
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let mut parser_err: Option<SelectorParserError> = None;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FirstOfType`
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     FirstOfType(Pos),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LastOfType`
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     LastOfType(Pos),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `"docker" "inspect" "dac1eee99819e29ab712b94cc447e4bcc0c45eb083ed2f759fbf65207d1788a7"`
[INFO] running `"docker" "rm" "-f" "dac1eee99819e29ab712b94cc447e4bcc0c45eb083ed2f759fbf65207d1788a7"`
[INFO] [stdout] dac1eee99819e29ab712b94cc447e4bcc0c45eb083ed2f759fbf65207d1788a7