[INFO] fetching crate pythonic 0.3.0...
[INFO] checking pythonic-0.3.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate pythonic 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pythonic 0.3.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pythonic 0.3.0
[INFO] finished tweaking crates.io crate pythonic 0.3.0
[INFO] tweaked toml for crates.io crate pythonic 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23d36c81accebc047ad21a083e6480ab6d4d2b19e77c2e5ef15326be0eb07969
[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" "23d36c81accebc047ad21a083e6480ab6d4d2b19e77c2e5ef15326be0eb07969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23d36c81accebc047ad21a083e6480ab6d4d2b19e77c2e5ef15326be0eb07969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d36c81accebc047ad21a083e6480ab6d4d2b19e77c2e5ef15326be0eb07969", kill_on_drop: false }`
[INFO] [stdout] 23d36c81accebc047ad21a083e6480ab6d4d2b19e77c2e5ef15326be0eb07969
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] 38ea234f56242401535e5ca075e8c37263fd92f95a4710e5405b59fb719ffe5b
[INFO] running `Command { std: "docker" "start" "-a" "38ea234f56242401535e5ca075e8c37263fd92f95a4710e5405b59fb719ffe5b", kill_on_drop: false }`
[INFO] [stderr]     Checking pythonic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/class.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         try!(write!(f, "class {}", self.name));
[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/class.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             try!(write!(f, "({})", inherit));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/class.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         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/class.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             try!(write!(f, "{}", s));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/class.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         try!(write!(f, "class {}", self.name));
[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/class.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             try!(write!(f, "({})", inherit));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/class.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         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/class.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             try!(write!(f, "{}", s));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "38ea234f56242401535e5ca075e8c37263fd92f95a4710e5405b59fb719ffe5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ea234f56242401535e5ca075e8c37263fd92f95a4710e5405b59fb719ffe5b", kill_on_drop: false }`
[INFO] [stdout] 38ea234f56242401535e5ca075e8c37263fd92f95a4710e5405b59fb719ffe5b