[INFO] cloning repository https://github.com/ivoelbert/tigerust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivoelbert/tigerust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivoelbert%2Ftigerust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivoelbert%2Ftigerust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 583054f3b254121cda1b0dc8f0bc75b955a0ac2f
[INFO] checking ivoelbert/tigerust against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivoelbert%2Ftigerust" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivoelbert/tigerust on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ivoelbert/tigerust
[INFO] finished tweaking git repo https://github.com/ivoelbert/tigerust
[INFO] tweaked toml for git repo https://github.com/ivoelbert/tigerust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ivoelbert/tigerust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 94ae0218c125013276840ff59bbe9608d2fe865d95ccacf4040ec22802e9bf31
[INFO] running `"docker" "start" "-a" "94ae0218c125013276840ff59bbe9608d2fe865d95ccacf4040ec22802e9bf31"`
[INFO] [stderr]    Compiling lalrpop-util v0.17.1
[INFO] [stderr]     Checking uid v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking pathfinding v1.1.12
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.1
[INFO] [stderr]    Compiling tigerust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/opexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/recordexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/seqexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/ifexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/whileexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/forexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/letexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/varexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/stringexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/callexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/breakexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/opexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/recordexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/seqexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/ifexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/whileexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/forexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/letexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/varexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/stringexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/callexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tree::Stm::*`
[INFO] [stderr]  --> src/tree/translate/breakexp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Tree::Stm::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/tree/translate/varexp.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         _ => panic!()
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Var::Simple(name) => {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Var::Subscript(array, index) => {
[INFO] [stderr]    |                        ^^^^^ help: consider prefixing with an underscore: `_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Var::Subscript(array, index) => {
[INFO] [stderr]    |                               ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `record`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:17:20
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Var::Field(record, field) => {
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_record`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:17:28
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Var::Field(record, field) => {
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_field`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/tree/translate/varexp.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         _ => panic!()
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Var::Simple(name) => {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Var::Subscript(array, index) => {
[INFO] [stderr]    |                        ^^^^^ help: consider prefixing with an underscore: `_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Var::Subscript(array, index) => {
[INFO] [stderr]    |                               ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `record`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:17:20
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Var::Field(record, field) => {
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_record`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/tree/translate/varexp.rs:17:28
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Var::Field(record, field) => {
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_field`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `"docker" "inspect" "94ae0218c125013276840ff59bbe9608d2fe865d95ccacf4040ec22802e9bf31"`
[INFO] running `"docker" "rm" "-f" "94ae0218c125013276840ff59bbe9608d2fe865d95ccacf4040ec22802e9bf31"`
[INFO] [stdout] 94ae0218c125013276840ff59bbe9608d2fe865d95ccacf4040ec22802e9bf31