[INFO] cloning repository https://github.com/adelelopez/khovanov [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adelelopez/khovanov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelelopez%2Fkhovanov", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelelopez%2Fkhovanov'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8f0566d6007b183bd06e4a3176470d030c8983de [INFO] checking adelelopez/khovanov against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelelopez%2Fkhovanov" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adelelopez/khovanov on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3/source/Cargo.toml [INFO] crate git repo https://github.com/adelelopez/khovanov already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d50c340ce36ea61440f8747d982edc51c27129b24770e7d2dd9618fc2a209cfa [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" "d50c340ce36ea61440f8747d982edc51c27129b24770e7d2dd9618fc2a209cfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d50c340ce36ea61440f8747d982edc51c27129b24770e7d2dd9618fc2a209cfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d50c340ce36ea61440f8747d982edc51c27129b24770e7d2dd9618fc2a209cfa", kill_on_drop: false }` [INFO] [stdout] d50c340ce36ea61440f8747d982edc51c27129b24770e7d2dd9618fc2a209cfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--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] e0d05bae3054fe1c7925f4961ba744a419801bfa71f93020f8ebd6688f1c47f4 [INFO] running `Command { std: "docker" "start" "-a" "e0d05bae3054fe1c7925f4961ba744a419801bfa71f93020f8ebd6688f1c47f4", kill_on_drop: false }` [INFO] [stderr] Checking khovanov v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:66:38 [INFO] [stdout] | [INFO] [stdout] 66 | (true, false) => try!(write!(f, "-")), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:67:38 [INFO] [stdout] | [INFO] [stdout] 67 | (false, true) => try!(write!(f, " + ")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:68:39 [INFO] [stdout] | [INFO] [stdout] 68 | (false, false) => try!(write!(f, " - ")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 75 | try!(write!(f, "{}", (*coeff).abs())) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | try!(write!(f, "q")) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | try!(write!(f, "q^{}", exp)) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | try!(write!(f, "0")) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:66:38 [INFO] [stdout] | [INFO] [stdout] 66 | (true, false) => try!(write!(f, "-")), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:67:38 [INFO] [stdout] | [INFO] [stdout] 67 | (false, true) => try!(write!(f, " + ")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:68:39 [INFO] [stdout] | [INFO] [stdout] 68 | (false, false) => try!(write!(f, " - ")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 75 | try!(write!(f, "{}", (*coeff).abs())) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | try!(write!(f, "q")) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | try!(write!(f, "q^{}", exp)) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/poly.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | try!(write!(f, "0")) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "e0d05bae3054fe1c7925f4961ba744a419801bfa71f93020f8ebd6688f1c47f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0d05bae3054fe1c7925f4961ba744a419801bfa71f93020f8ebd6688f1c47f4", kill_on_drop: false }` [INFO] [stdout] e0d05bae3054fe1c7925f4961ba744a419801bfa71f93020f8ebd6688f1c47f4