[INFO] updating cached repository https://github.com/chryslovelace/mixfix
[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] f87cad659c2c22f8fba54e2198bc83e8fc047956
[INFO] testing chryslovelace/mixfix against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchryslovelace%2Fmixfix" "/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/chryslovelace/mixfix on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/chryslovelace/mixfix
[INFO] finished tweaking git repo https://github.com/chryslovelace/mixfix
[INFO] tweaked toml for git repo https://github.com/chryslovelace/mixfix written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/chryslovelace/mixfix already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 2020a0938319452756b5249bdec88e8fe485e3e4ef56a6898b7c275e6d1a64ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2020a0938319452756b5249bdec88e8fe485e3e4ef56a6898b7c275e6d1a64ef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling mixfix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `NamePart`
[INFO] [stderr]  --> src/parser.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use operator::{NamePart, Operator};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:31:21
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl<O> Parser for &Parser<O = O> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<O = O>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Opts::<&Parser<O = Expr>>(vec![
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<O = Expr>`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `well_formed`
[INFO] [stderr]   --> src/expr.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn well_formed(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `arity`
[INFO] [stderr]   --> src/operator.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn arity(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnparsedInput`
[INFO] [stderr]   --> src/parser.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     UnparsedInput(ParseInput<'a>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_expr`
[INFO] [stderr]    --> src/parser.rs:330:8
[INFO] [stderr]     |
[INFO] [stderr] 330 | pub fn parse_expr<'i, G: PrecedenceGraph>(
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `"docker" "inspect" "2020a0938319452756b5249bdec88e8fe485e3e4ef56a6898b7c275e6d1a64ef"`
[INFO] running `"docker" "rm" "-f" "2020a0938319452756b5249bdec88e8fe485e3e4ef56a6898b7c275e6d1a64ef"`
[INFO] [stdout] 2020a0938319452756b5249bdec88e8fe485e3e4ef56a6898b7c275e6d1a64ef
[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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32cde300caf73ed75b42883328c81f706f3e1affd8edba073f916e4157ca29c9
[INFO] running `"docker" "start" "-a" "32cde300caf73ed75b42883328c81f706f3e1affd8edba073f916e4157ca29c9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mixfix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `NamePart`
[INFO] [stderr]  --> src/parser.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use operator::{NamePart, Operator};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:31:21
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl<O> Parser for &Parser<O = O> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<O = O>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Opts::<&Parser<O = Expr>>(vec![
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<O = Expr>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `"docker" "inspect" "32cde300caf73ed75b42883328c81f706f3e1affd8edba073f916e4157ca29c9"`
[INFO] running `"docker" "rm" "-f" "32cde300caf73ed75b42883328c81f706f3e1affd8edba073f916e4157ca29c9"`
[INFO] [stdout] 32cde300caf73ed75b42883328c81f706f3e1affd8edba073f916e4157ca29c9
[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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 4a2e104606d4ae09f08185617770b595d6ecb3a7403b849f2c7d84a96130f442
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4a2e104606d4ae09f08185617770b595d6ecb3a7403b849f2c7d84a96130f442"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `NamePart`
[INFO] [stderr]  --> src/parser.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use operator::{NamePart, Operator};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:31:21
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl<O> Parser for &Parser<O = O> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<O = O>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Opts::<&Parser<O = Expr>>(vec![
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<O = Expr>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mixfix-4006734e374afcda
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test parser::tests::test_tok ... ok
[INFO] [stdout] test operator::tests::test_backbone ... ok
[INFO] [stdout] test parser::tests::test_apply ... ok
[INFO] [stdout] test parser::tests::test_unexpected_token ... ok
[INFO] [stdout] test parser::tests::test_simple_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4a2e104606d4ae09f08185617770b595d6ecb3a7403b849f2c7d84a96130f442"`
[INFO] running `"docker" "rm" "-f" "4a2e104606d4ae09f08185617770b595d6ecb3a7403b849f2c7d84a96130f442"`
[INFO] [stdout] 4a2e104606d4ae09f08185617770b595d6ecb3a7403b849f2c7d84a96130f442