[INFO] cloning repository https://github.com/nxnfufunezn/ts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nxnfufunezn/ts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnxnfufunezn%2Fts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnxnfufunezn%2Fts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acba6c75d4cfee99e5477755af4df1168d1684bd
[INFO] checking nxnfufunezn/ts against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnxnfufunezn%2Fts" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nxnfufunezn/ts on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nxnfufunezn/ts
[INFO] finished tweaking git repo https://github.com/nxnfufunezn/ts
[INFO] tweaked toml for git repo https://github.com/nxnfufunezn/ts written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nxnfufunezn/ts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb8e34b8e99a77adfe40f64762ae4a8fe635411e01df94f0ef11ccee1c9cbc66
[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" "fb8e34b8e99a77adfe40f64762ae4a8fe635411e01df94f0ef11ccee1c9cbc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb8e34b8e99a77adfe40f64762ae4a8fe635411e01df94f0ef11ccee1c9cbc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8e34b8e99a77adfe40f64762ae4a8fe635411e01df94f0ef11ccee1c9cbc66", kill_on_drop: false }`
[INFO] [stdout] fb8e34b8e99a77adfe40f64762ae4a8fe635411e01df94f0ef11ccee1c9cbc66
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c06f13a985fa0364b51b5db00ca440484f03eeae0b3cf97e3cb42097b11ed86
[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" "6c06f13a985fa0364b51b5db00ca440484f03eeae0b3cf97e3cb42097b11ed86", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking text_search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/kmp.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         File::open(dir.path())
[INFO] [stdout] 45 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stdout] 46 | |             .and_then(|mut file| {
[INFO] [stdout] 47 | |                 file.read_to_string(&mut buffer)
[INFO] [stdout] 48 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stdout] 49 | |             });
[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: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bmh.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         File::open(dir.path())
[INFO] [stdout] 28 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stdout] 29 | |             .and_then(|mut file| {
[INFO] [stdout] 30 | |                 file.read_to_string(&mut buffer)
[INFO] [stdout] 31 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stdout] 32 | |             });
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/frmlib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | /         File::open(dir.path())
[INFO] [stdout] 20 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stdout] 21 | |             .and_then(|mut file| {
[INFO] [stdout] 22 | |                 file.read_to_string(&mut buffer)
[INFO] [stdout] 23 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stdout] 24 | |             });
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/kmp.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         File::open(dir.path())
[INFO] [stdout] 45 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stdout] 46 | |             .and_then(|mut file| {
[INFO] [stdout] 47 | |                 file.read_to_string(&mut buffer)
[INFO] [stdout] 48 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stdout] 49 | |             });
[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: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bmh.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         File::open(dir.path())
[INFO] [stdout] 28 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stdout] 29 | |             .and_then(|mut file| {
[INFO] [stdout] 30 | |                 file.read_to_string(&mut buffer)
[INFO] [stdout] 31 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stdout] 32 | |             });
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/frmlib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | /         File::open(dir.path())
[INFO] [stdout] 20 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stdout] 21 | |             .and_then(|mut file| {
[INFO] [stdout] 22 | |                 file.read_to_string(&mut buffer)
[INFO] [stdout] 23 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stdout] 24 | |             });
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c06f13a985fa0364b51b5db00ca440484f03eeae0b3cf97e3cb42097b11ed86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c06f13a985fa0364b51b5db00ca440484f03eeae0b3cf97e3cb42097b11ed86", kill_on_drop: false }`
[INFO] [stdout] 6c06f13a985fa0364b51b5db00ca440484f03eeae0b3cf97e3cb42097b11ed86