[INFO] cloning repository https://github.com/andrematheus/programming-praxis-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrematheus/programming-praxis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrematheus%2Fprogramming-praxis-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrematheus%2Fprogramming-praxis-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 000d331077581d8f1e6cd4ee7245b948ceeeb31b
[INFO] checking andrematheus/programming-praxis-rust against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrematheus%2Fprogramming-praxis-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrematheus/programming-praxis-rust on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrematheus/programming-praxis-rust
[INFO] finished tweaking git repo https://github.com/andrematheus/programming-praxis-rust
[INFO] tweaked toml for git repo https://github.com/andrematheus/programming-praxis-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/andrematheus/programming-praxis-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10fbf8321d2570eeccbf0c6028bb1620a2449b590d9e918efafa309b0edfda56
[INFO] running `Command { std: "docker" "start" "-a" "10fbf8321d2570eeccbf0c6028bb1620a2449b590d9e918efafa309b0edfda56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10fbf8321d2570eeccbf0c6028bb1620a2449b590d9e918efafa309b0edfda56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fbf8321d2570eeccbf0c6028bb1620a2449b590d9e918efafa309b0edfda56", kill_on_drop: false }`
[INFO] [stdout] 10fbf8321d2570eeccbf0c6028bb1620a2449b590d9e918efafa309b0edfda56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9121e46d4c9fc7e7d7e74b1a2421d2c74fba5a719d5ba08d663b0aa79df728f3
[INFO] running `Command { std: "docker" "start" "-a" "9121e46d4c9fc7e7d7e74b1a2421d2c74fba5a719d5ba08d663b0aa79df728f3", kill_on_drop: false }`
[INFO] [stderr]     Checking pprust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 137 |     new_operator!(ops, "+", [y, x], { x + y });
[INFO] [stdout]     |     ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 138 |     new_operator!(ops, "-", [y, x], { x - y });
[INFO] [stdout]     |     ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 139 |     new_operator!(ops, "*", [y, x], { x * y });
[INFO] [stdout]     |     ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 140 |     new_operator!(ops, "/", [y, x], { x / y });
[INFO] [stdout]     |     ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 242 |         new_operator!(calc.operators, "X", [_x, _y], {0.0});
[INFO] [stdout]     |         ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 284 |         new_operator!(calc.operators, "?", [], { 10.0 });
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 137 |     new_operator!(ops, "+", [y, x], { x + y });
[INFO] [stdout]     |     ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 138 |     new_operator!(ops, "-", [y, x], { x - y });
[INFO] [stdout]     |     ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 139 |     new_operator!(ops, "*", [y, x], { x * y });
[INFO] [stdout]     |     ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rpncalculator.rs:97:15
[INFO] [stdout]     |
[INFO] [stdout] 97  |             )*;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 140 |     new_operator!(ops, "/", [y, x], { x / y });
[INFO] [stdout]     |     ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `new_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 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" "9121e46d4c9fc7e7d7e74b1a2421d2c74fba5a719d5ba08d663b0aa79df728f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9121e46d4c9fc7e7d7e74b1a2421d2c74fba5a719d5ba08d663b0aa79df728f3", kill_on_drop: false }`
[INFO] [stdout] 9121e46d4c9fc7e7d7e74b1a2421d2c74fba5a719d5ba08d663b0aa79df728f3