[INFO] cloning repository https://github.com/tsaraps/mini_grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsaraps/mini_grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsaraps%2Fmini_grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsaraps%2Fmini_grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70fbb4d89b25970b5b4e1984874a6504d29b3c0d
[INFO] checking tsaraps/mini_grep against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsaraps%2Fmini_grep" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tsaraps/mini_grep
[INFO] finished tweaking git repo https://github.com/tsaraps/mini_grep
[INFO] tweaked toml for git repo https://github.com/tsaraps/mini_grep written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tsaraps/mini_grep on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tsaraps/mini_grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] checking tsaraps/mini_grep against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsaraps%2Fmini_grep" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tsaraps/mini_grep
[INFO] finished tweaking git repo https://github.com/tsaraps/mini_grep
[INFO] tweaked toml for git repo https://github.com/tsaraps/mini_grep written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tsaraps/mini_grep on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tsaraps/mini_grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38ae8cd0ebc596cba8dcfaacc2de4586cd4ba24b64c4b608c80e0609bab5a6f2
[INFO] running `Command { std: "docker" "start" "-a" "38ae8cd0ebc596cba8dcfaacc2de4586cd4ba24b64c4b608c80e0609bab5a6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ae8cd0ebc596cba8dcfaacc2de4586cd4ba24b64c4b608c80e0609bab5a6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ae8cd0ebc596cba8dcfaacc2de4586cd4ba24b64c4b608c80e0609bab5a6f2", kill_on_drop: false }`
[INFO] [stdout] 38ae8cd0ebc596cba8dcfaacc2de4586cd4ba24b64c4b608c80e0609bab5a6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c1249f566f253cc182d42348a347ce5b43d6efccc0c8b183d98780f50da3f22
[INFO] running `Command { std: "docker" "start" "-a" "7c1249f566f253cc182d42348a347ce5b43d6efccc0c8b183d98780f50da3f22", kill_on_drop: false }`
[INFO] [stderr]     Checking mini_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `arg` in this scope
[INFO] [stdout]   --> src/lib.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let filename = match arg.next() {
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let filename = match args.next() {
[INFO] [stdout]    |                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `arg` in this scope
[INFO] [stdout]   --> src/lib.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let filename = match arg.next() {
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let filename = match args.next() {
[INFO] [stdout]    |                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `String: Pattern` is not satisfied
[INFO] [stdout]   --> src/lib.rs:60:53
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .filter(|line| line.to_lowercase().contains(query.to_lowercase()))
[INFO] [stdout]    |                                            -------- ^^^^^^^^^^^^^^^^^^^^ the trait `Pattern` is not implemented for `String`
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `String` to implement `Pattern`
[INFO] [stdout] note: required by a bound in `core::str::<impl str>::contains`
[INFO] [stdout]   --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/str/mod.rs:1351:4
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .filter(|line| line.to_lowercase().contains(&query.to_lowercase()))
[INFO] [stdout]    |                                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `String: Pattern` is not satisfied
[INFO] [stdout]   --> src/lib.rs:60:53
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .filter(|line| line.to_lowercase().contains(query.to_lowercase()))
[INFO] [stdout]    |                                            -------- ^^^^^^^^^^^^^^^^^^^^ the trait `Pattern` is not implemented for `String`
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `String` to implement `Pattern`
[INFO] [stdout] note: required by a bound in `core::str::<impl str>::contains`
[INFO] [stdout]   --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/str/mod.rs:1351:4
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .filter(|line| line.to_lowercase().contains(&query.to_lowercase()))
[INFO] [stdout]    |                                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini_grep` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mini_grep` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7c1249f566f253cc182d42348a347ce5b43d6efccc0c8b183d98780f50da3f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1249f566f253cc182d42348a347ce5b43d6efccc0c8b183d98780f50da3f22", kill_on_drop: false }`
[INFO] [stdout] 7c1249f566f253cc182d42348a347ce5b43d6efccc0c8b183d98780f50da3f22