[INFO] crate oppgave 0.1.0 is already in cache
[INFO] checking oppgave-0.1.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate oppgave 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate oppgave 0.1.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate oppgave 0.1.0
[INFO] finished tweaking crates.io crate oppgave 0.1.0
[INFO] tweaked toml for crates.io crate oppgave 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f6b205856ee172aff595578eb57d8b2bee223bff272566df9ccfb627d0bd9b22
[INFO] running `"docker" "start" "-a" "f6b205856ee172aff595578eb57d8b2bee223bff272566df9ccfb627d0bd9b22"`
[INFO] [stderr]     Checking redis v0.5.4
[INFO] [stderr]     Checking oppgave v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:25
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 let s = try!(str::from_utf8(&v));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:77:20
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 Ok(try!(json::decode(&s).map_err(|_| (ErrorKind::TypeError, "JSON decode failed"))))
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(Err((ErrorKind::TypeError, "Can only decode from a string")))
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:25
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 let s = try!(str::from_utf8(&v));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:77:20
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 Ok(try!(json::decode(&s).map_err(|_| (ErrorKind::TypeError, "JSON decode failed"))))
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(Err((ErrorKind::TypeError, "Can only decode from a string")))
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `"docker" "inspect" "f6b205856ee172aff595578eb57d8b2bee223bff272566df9ccfb627d0bd9b22"`
[INFO] running `"docker" "rm" "-f" "f6b205856ee172aff595578eb57d8b2bee223bff272566df9ccfb627d0bd9b22"`
[INFO] [stdout] f6b205856ee172aff595578eb57d8b2bee223bff272566df9ccfb627d0bd9b22