[INFO] cloning repository https://github.com/KeyboardFire/xkcd1537-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeyboardFire/xkcd1537-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeyboardFire%2Fxkcd1537-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeyboardFire%2Fxkcd1537-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 54c82318d7c0ca798ced908cc6d76ce19d1f23e1 [INFO] checking KeyboardFire/xkcd1537-rust against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeyboardFire%2Fxkcd1537-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KeyboardFire/xkcd1537-rust on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KeyboardFire/xkcd1537-rust [INFO] finished tweaking git repo https://github.com/KeyboardFire/xkcd1537-rust [INFO] tweaked toml for git repo https://github.com/KeyboardFire/xkcd1537-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/KeyboardFire/xkcd1537-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 660637a3d5bbd2073421fc7b2baee362671cb150033777e58b71c38ef0cea0b1 [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" "660637a3d5bbd2073421fc7b2baee362671cb150033777e58b71c38ef0cea0b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "660637a3d5bbd2073421fc7b2baee362671cb150033777e58b71c38ef0cea0b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "660637a3d5bbd2073421fc7b2baee362671cb150033777e58b71c38ef0cea0b1", kill_on_drop: false }` [INFO] [stdout] 660637a3d5bbd2073421fc7b2baee362671cb150033777e58b71c38ef0cea0b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f49379028ba806409b2e63423acd1def3d7c0556c480279900d11e3738a32a9 [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" "8f49379028ba806409b2e63423acd1def3d7c0556c480279900d11e3738a32a9", kill_on_drop: false }` [INFO] [stderr] Checking xkcd1537 v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/main.rs:19:38 [INFO] [stdout] | [INFO] [stdout] 19 | trait FromString { fn from_string(String) -> Option<(T, usize)>; } [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:95:17 [INFO] [stdout] | [INFO] [stdout] 95 | try!(write!(fmt, "{}", n)); [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/main.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | try!(write!(fmt, "{}", s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | try!(write!(fmt, "{:?}", a)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | try!(write!(fmt, "{}", (*o).to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | try!(write!(fmt, "{}", (*f).to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/main.rs:19:38 [INFO] [stdout] | [INFO] [stdout] 19 | trait FromString { fn from_string(String) -> Option<(T, usize)>; } [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:95:17 [INFO] [stdout] | [INFO] [stdout] 95 | try!(write!(fmt, "{}", n)); [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/main.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | try!(write!(fmt, "{}", s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | try!(write!(fmt, "{:?}", a)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | try!(write!(fmt, "{}", (*o).to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | try!(write!(fmt, "{}", (*f).to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:239:45 [INFO] [stdout] | [INFO] [stdout] 239 | Token::XFunction(Function::Wrap(n)) => { }, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `XArray` [INFO] [stdout] --> src/main.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | XArray(Vec), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `exec_rpn` [INFO] [stdout] --> src/main.rs:227:4 [INFO] [stdout] | [INFO] [stdout] 227 | fn exec_rpn(rpn: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:239:45 [INFO] [stdout] | [INFO] [stdout] 239 | Token::XFunction(Function::Wrap(n)) => { }, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `XArray` [INFO] [stdout] --> src/main.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | XArray(Vec), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `exec_rpn` [INFO] [stdout] --> src/main.rs:227:4 [INFO] [stdout] | [INFO] [stdout] 227 | fn exec_rpn(rpn: Vec) -> Vec { [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 0.69s [INFO] running `Command { std: "docker" "inspect" "8f49379028ba806409b2e63423acd1def3d7c0556c480279900d11e3738a32a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f49379028ba806409b2e63423acd1def3d7c0556c480279900d11e3738a32a9", kill_on_drop: false }` [INFO] [stdout] 8f49379028ba806409b2e63423acd1def3d7c0556c480279900d11e3738a32a9