[INFO] updating cached repository https://github.com/hbansal0122/spell-check
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2e94841bc40baee976ef9241213857f01d6b31e
[INFO] testing hbansal0122/spell-check against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhbansal0122%2Fspell-check" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hbansal0122/spell-check on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hbansal0122/spell-check
[INFO] finished tweaking git repo https://github.com/hbansal0122/spell-check
[INFO] tweaked toml for git repo https://github.com/hbansal0122/spell-check written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/hbansal0122/spell-check already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2bfd10682844587e52d3a89affa53f2519a9a079ffad41b1d8c92cf4cff7699
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2bfd10682844587e52d3a89affa53f2519a9a079ffad41b1d8c92cf4cff7699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2bfd10682844587e52d3a89affa53f2519a9a079ffad41b1d8c92cf4cff7699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bfd10682844587e52d3a89affa53f2519a9a079ffad41b1d8c92cf4cff7699", kill_on_drop: false }`
[INFO] [stdout] b2bfd10682844587e52d3a89affa53f2519a9a079ffad41b1d8c92cf4cff7699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c19acbe08eb6c009370a3cac109e4d46acedfedf0fcb5b66a61d92d74923f53
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c19acbe08eb6c009370a3cac109e4d46acedfedf0fcb5b66a61d92d74923f53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling stdinout v0.4.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling approx v0.2.1
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling speller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let mut local_word = item.term.to_string();
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let mut counter:usize = 1;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.44s
[INFO] running `Command { std: "docker" "inspect" "8c19acbe08eb6c009370a3cac109e4d46acedfedf0fcb5b66a61d92d74923f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c19acbe08eb6c009370a3cac109e4d46acedfedf0fcb5b66a61d92d74923f53", kill_on_drop: false }`
[INFO] [stdout] 8c19acbe08eb6c009370a3cac109e4d46acedfedf0fcb5b66a61d92d74923f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83fb413235f20fe06ed9ac092e774feb543183b7ff45e49d0c712bc1058d7f52
[INFO] running `Command { std: "docker" "start" "-a" "83fb413235f20fe06ed9ac092e774feb543183b7ff45e49d0c712bc1058d7f52", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling speller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let mut local_word = item.term.to_string();
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let mut counter:usize = 1;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "83fb413235f20fe06ed9ac092e774feb543183b7ff45e49d0c712bc1058d7f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fb413235f20fe06ed9ac092e774feb543183b7ff45e49d0c712bc1058d7f52", kill_on_drop: false }`
[INFO] [stdout] 83fb413235f20fe06ed9ac092e774feb543183b7ff45e49d0c712bc1058d7f52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04d31a0e84bb6211ff9652b974f120bc7a888710bb15d130940df581fc1343d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04d31a0e84bb6211ff9652b974f120bc7a888710bb15d130940df581fc1343d8", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let mut local_word = item.term.to_string();
[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/main.rs:223:17
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let mut counter:usize = 1;
[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 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/speller-083c297c23aed523
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tokeniser::tests::tokeniser ... ok
[INFO] [stdout] test spell_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04d31a0e84bb6211ff9652b974f120bc7a888710bb15d130940df581fc1343d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d31a0e84bb6211ff9652b974f120bc7a888710bb15d130940df581fc1343d8", kill_on_drop: false }`
[INFO] [stdout] 04d31a0e84bb6211ff9652b974f120bc7a888710bb15d130940df581fc1343d8