[INFO] cloning repository https://github.com/jjgarzella/interpy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjgarzella/interpy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjgarzella%2Finterpy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjgarzella%2Finterpy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c63d31624f5bf90cb6d664d1058d2f9eeef121f7
[INFO] checking jjgarzella/interpy against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjgarzella%2Finterpy" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jjgarzella/interpy on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jjgarzella/interpy
[INFO] finished tweaking git repo https://github.com/jjgarzella/interpy
[INFO] tweaked toml for git repo https://github.com/jjgarzella/interpy written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jjgarzella/interpy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf0ce5ce52cc980d4d4dd1f83a478c11e2125b4ecb6596084812c5cf253a188a
[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" "cf0ce5ce52cc980d4d4dd1f83a478c11e2125b4ecb6596084812c5cf253a188a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf0ce5ce52cc980d4d4dd1f83a478c11e2125b4ecb6596084812c5cf253a188a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0ce5ce52cc980d4d4dd1f83a478c11e2125b4ecb6596084812c5cf253a188a", kill_on_drop: false }`
[INFO] [stdout] cf0ce5ce52cc980d4d4dd1f83a478c11e2125b4ecb6596084812c5cf253a188a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2c81afc72d4784a00237b5bb35f3c7ae2e787ead108fcf2b02353037cb83029
[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" "f2c81afc72d4784a00237b5bb35f3c7ae2e787ead108fcf2b02353037cb83029", kill_on_drop: false }`
[INFO] [stderr]     Checking interpy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:72:51
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn consume_while(it: &mut Peekable<Chars>, cond: &Fn(char) -> bool) -> Vec<char> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/genericsyntax.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 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/genericsyntax.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     try!(write!(f, "{} ", tree));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expr.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn binary_num_op(op: &Fn(i64, i64) -> i64, left: Value, right: Value) -> Value {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i64, i64) -> i64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:72:51
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn consume_while(it: &mut Peekable<Chars>, cond: &Fn(char) -> bool) -> Vec<char> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/genericsyntax.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 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/genericsyntax.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     try!(write!(f, "{} ", tree));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expr.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn binary_num_op(op: &Fn(i64, i64) -> i64, left: Value, right: Value) -> Value {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i64, i64) -> i64`
[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 1.15s
[INFO] running `Command { std: "docker" "inspect" "f2c81afc72d4784a00237b5bb35f3c7ae2e787ead108fcf2b02353037cb83029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c81afc72d4784a00237b5bb35f3c7ae2e787ead108fcf2b02353037cb83029", kill_on_drop: false }`
[INFO] [stdout] f2c81afc72d4784a00237b5bb35f3c7ae2e787ead108fcf2b02353037cb83029