[INFO] cloning repository https://github.com/sbalaji1996/tokenizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbalaji1996/tokenizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbalaji1996%2Ftokenizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbalaji1996%2Ftokenizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2221939e0cc4a8fcdda4a5302ec13d87bb41e77
[INFO] testing sbalaji1996/tokenizer against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbalaji1996%2Ftokenizer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbalaji1996/tokenizer on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sbalaji1996/tokenizer
[INFO] finished tweaking git repo https://github.com/sbalaji1996/tokenizer
[INFO] tweaked toml for git repo https://github.com/sbalaji1996/tokenizer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sbalaji1996/tokenizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] f01cfd7b709792333fc49769155ccf694a1c224997b1f2b588f530219b5d354b
[INFO] running `Command { std: "docker" "start" "-a" "f01cfd7b709792333fc49769155ccf694a1c224997b1f2b588f530219b5d354b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f01cfd7b709792333fc49769155ccf694a1c224997b1f2b588f530219b5d354b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01cfd7b709792333fc49769155ccf694a1c224997b1f2b588f530219b5d354b", kill_on_drop: false }`
[INFO] [stdout] f01cfd7b709792333fc49769155ccf694a1c224997b1f2b588f530219b5d354b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 942e2e11103013ea247275daff0e96d03987185a45cd59bcfb223d4c8989318e
[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" "942e2e11103013ea247275daff0e96d03987185a45cd59bcfb223d4c8989318e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling itoa v0.3.3
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling serde v1.0.14
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.3
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::BufReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     tokenize(contents);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.20s
[INFO] running `Command { std: "docker" "inspect" "942e2e11103013ea247275daff0e96d03987185a45cd59bcfb223d4c8989318e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942e2e11103013ea247275daff0e96d03987185a45cd59bcfb223d4c8989318e", kill_on_drop: false }`
[INFO] [stdout] 942e2e11103013ea247275daff0e96d03987185a45cd59bcfb223d4c8989318e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 0e684583859056e17e9a6c242e4e69223c30c647fd9319873df3ac4230c3cba4
[INFO] running `Command { std: "docker" "start" "-a" "0e684583859056e17e9a6c242e4e69223c30c647fd9319873df3ac4230c3cba4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::BufReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     tokenize(contents);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "0e684583859056e17e9a6c242e4e69223c30c647fd9319873df3ac4230c3cba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e684583859056e17e9a6c242e4e69223c30c647fd9319873df3ac4230c3cba4", kill_on_drop: false }`
[INFO] [stdout] 0e684583859056e17e9a6c242e4e69223c30c647fd9319873df3ac4230c3cba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e482a6de49b0b1cf1ca19ed71dd6fa9bbaf86a850d8b847b167cfa452679e77
[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" "5e482a6de49b0b1cf1ca19ed71dd6fa9bbaf86a850d8b847b167cfa452679e77", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::BufReader;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     tokenize(contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokenizer-e55a56b346913d43
[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 `Command { std: "docker" "inspect" "5e482a6de49b0b1cf1ca19ed71dd6fa9bbaf86a850d8b847b167cfa452679e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e482a6de49b0b1cf1ca19ed71dd6fa9bbaf86a850d8b847b167cfa452679e77", kill_on_drop: false }`
[INFO] [stdout] 5e482a6de49b0b1cf1ca19ed71dd6fa9bbaf86a850d8b847b167cfa452679e77