[INFO] updating cached repository https://github.com/nelhage/iron-gollum [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] 504c88b3d928478fce2c98b6a54d5b85e728e858 [INFO] testing nelhage/iron-gollum against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelhage%2Firon-gollum" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nelhage/iron-gollum on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nelhage/iron-gollum [INFO] finished tweaking git repo https://github.com/nelhage/iron-gollum [INFO] tweaked toml for git repo https://github.com/nelhage/iron-gollum written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/nelhage/iron-gollum already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 24af4ae78a5b761736a635f8d8ac1feab75f1625b2e9a231a31708bcc7cdd2a6 [INFO] running `"docker" "start" "-a" "24af4ae78a5b761736a635f8d8ac1feab75f1625b2e9a231a31708bcc7cdd2a6"` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Compiling atty v0.2.8 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling clap v2.31.2 [INFO] [stderr] Compiling pest_derive v1.0.7 [INFO] [stderr] Compiling iron-golem v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | let mut inner = pair.into_inner(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | let mut expr = *build(path, inner.next().unwrap()); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.96s [INFO] running `"docker" "inspect" "24af4ae78a5b761736a635f8d8ac1feab75f1625b2e9a231a31708bcc7cdd2a6"` [INFO] running `"docker" "rm" "-f" "24af4ae78a5b761736a635f8d8ac1feab75f1625b2e9a231a31708bcc7cdd2a6"` [INFO] [stdout] 24af4ae78a5b761736a635f8d8ac1feab75f1625b2e9a231a31708bcc7cdd2a6 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 07b6643a02b73ad641a112165b7a1c4c3a5732a3793c4be23e93151b194916ce [INFO] running `"docker" "start" "-a" "07b6643a02b73ad641a112165b7a1c4c3a5732a3793c4be23e93151b194916ce"` [INFO] [stderr] Compiling iron-golem v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | let mut inner = pair.into_inner(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | let mut expr = *build(path, inner.next().unwrap()); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | let mut inner = pair.into_inner(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | let mut expr = *build(path, inner.next().unwrap()); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.86s [INFO] running `"docker" "inspect" "07b6643a02b73ad641a112165b7a1c4c3a5732a3793c4be23e93151b194916ce"` [INFO] running `"docker" "rm" "-f" "07b6643a02b73ad641a112165b7a1c4c3a5732a3793c4be23e93151b194916ce"` [INFO] [stdout] 07b6643a02b73ad641a112165b7a1c4c3a5732a3793c4be23e93151b194916ce [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 74e368a3f12e199998a256fddcfb876e9034540cacedb53c1da8e278892dd0fc [INFO] running `"docker" "start" "-a" "74e368a3f12e199998a256fddcfb876e9034540cacedb53c1da8e278892dd0fc"` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | let mut inner = pair.into_inner(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | let mut expr = *build(path, inner.next().unwrap()); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | let mut inner = pair.into_inner(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | let mut expr = *build(path, inner.next().unwrap()); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/iron_golem-5228cda11e3e607c [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test parser::tests::test_bad ... ok [INFO] [stdout] test parser::tests::test_parser ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/iron_golem-15b70c82dd3909d4 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/test_corpus-bf9f7ac1c0799964 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_typecheck ... ok [INFO] [stdout] test test_bad ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests iron_golem [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "74e368a3f12e199998a256fddcfb876e9034540cacedb53c1da8e278892dd0fc"` [INFO] running `"docker" "rm" "-f" "74e368a3f12e199998a256fddcfb876e9034540cacedb53c1da8e278892dd0fc"` [INFO] [stdout] 74e368a3f12e199998a256fddcfb876e9034540cacedb53c1da8e278892dd0fc