[INFO] fetching crate lars 0.2.4...
[INFO] checking lars-0.2.4 against beta for pr-78714
[INFO] extracting crate lars 0.2.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lars 0.2.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lars 0.2.4
[INFO] finished tweaking crates.io crate lars 0.2.4
[INFO] tweaked toml for crates.io crate lars 0.2.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 540502998d41347fef69ef32c507e4ea3eba28c0012063c9e3ed0bc6d1b5e097
[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" "540502998d41347fef69ef32c507e4ea3eba28c0012063c9e3ed0bc6d1b5e097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "540502998d41347fef69ef32c507e4ea3eba28c0012063c9e3ed0bc6d1b5e097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540502998d41347fef69ef32c507e4ea3eba28c0012063c9e3ed0bc6d1b5e097", kill_on_drop: false }`
[INFO] [stdout] 540502998d41347fef69ef32c507e4ea3eba28c0012063c9e3ed0bc6d1b5e097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 04ee6bd8a93a908e78766a794decb59e74ede95e52d3ac4bd8b612f33f88990d
[INFO] running `Command { std: "docker" "start" "-a" "04ee6bd8a93a908e78766a794decb59e74ede95e52d3ac4bd8b612f33f88990d", kill_on_drop: false }`
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking lars v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vector.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         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/vector.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             try!(write!(f, "{}", self.content[n]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vector.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 try!(write!(f, ","))
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vector.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(write!(f, "]"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 try!(write!(f, "{}", self.get(n, m)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             try!(write!(f, "],\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         try!(write!(f, "]"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vector.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         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/vector.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             try!(write!(f, "{}", self.content[n]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vector.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 try!(write!(f, ","))
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vector.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(write!(f, "]"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 try!(write!(f, "{}", self.get(n, m)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             try!(write!(f, "],\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         try!(write!(f, "]"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "04ee6bd8a93a908e78766a794decb59e74ede95e52d3ac4bd8b612f33f88990d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ee6bd8a93a908e78766a794decb59e74ede95e52d3ac4bd8b612f33f88990d", kill_on_drop: false }`
[INFO] [stdout] 04ee6bd8a93a908e78766a794decb59e74ede95e52d3ac4bd8b612f33f88990d