[INFO] updating cached repository https://github.com/adelelopez/khovanov [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8f0566d6007b183bd06e4a3176470d030c8983de [INFO] checking adelelopez/khovanov against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelelopez%2Fkhovanov" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adelelopez/khovanov on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/adelelopez/khovanov [INFO] finished tweaking git repo https://github.com/adelelopez/khovanov [INFO] tweaked toml for git repo https://github.com/adelelopez/khovanov written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/adelelopez/khovanov already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-2/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 02905d36981b158efe33e91ba2134d30786355cd1d8866c2a4fb27ee6ffdac16 [INFO] running `"docker" "start" "-a" "02905d36981b158efe33e91ba2134d30786355cd1d8866c2a4fb27ee6ffdac16"` [INFO] [stderr] Checking khovanov v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:66:38 [INFO] [stderr] | [INFO] [stderr] 66 | (true, false) => try!(write!(f, "-")), [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/poly.rs:67:38 [INFO] [stderr] | [INFO] [stderr] 67 | (false, true) => try!(write!(f, " + ")), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:68:39 [INFO] [stderr] | [INFO] [stderr] 68 | (false, false) => try!(write!(f, " - ")), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:75:21 [INFO] [stderr] | [INFO] [stderr] 75 | try!(write!(f, "{}", (*coeff).abs())) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:79:21 [INFO] [stderr] | [INFO] [stderr] 79 | try!(write!(f, "q")) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:81:21 [INFO] [stderr] | [INFO] [stderr] 81 | try!(write!(f, "q^{}", exp)) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:88:13 [INFO] [stderr] | [INFO] [stderr] 88 | try!(write!(f, "0")) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:66:38 [INFO] [stderr] | [INFO] [stderr] 66 | (true, false) => try!(write!(f, "-")), [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/poly.rs:67:38 [INFO] [stderr] | [INFO] [stderr] 67 | (false, true) => try!(write!(f, " + ")), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:68:39 [INFO] [stderr] | [INFO] [stderr] 68 | (false, false) => try!(write!(f, " - ")), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:75:21 [INFO] [stderr] | [INFO] [stderr] 75 | try!(write!(f, "{}", (*coeff).abs())) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:79:21 [INFO] [stderr] | [INFO] [stderr] 79 | try!(write!(f, "q")) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:81:21 [INFO] [stderr] | [INFO] [stderr] 81 | try!(write!(f, "q^{}", exp)) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/poly.rs:88:13 [INFO] [stderr] | [INFO] [stderr] 88 | try!(write!(f, "0")) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `"docker" "inspect" "02905d36981b158efe33e91ba2134d30786355cd1d8866c2a4fb27ee6ffdac16"` [INFO] running `"docker" "rm" "-f" "02905d36981b158efe33e91ba2134d30786355cd1d8866c2a4fb27ee6ffdac16"` [INFO] [stdout] 02905d36981b158efe33e91ba2134d30786355cd1d8866c2a4fb27ee6ffdac16