[INFO] fetching crate calculatex 0.1.0...
[INFO] checking calculatex-0.1.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate calculatex 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate calculatex 0.1.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calculatex 0.1.0
[INFO] finished tweaking crates.io crate calculatex 0.1.0
[INFO] tweaked toml for crates.io crate calculatex 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate calculatex 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] [stderr]   Downloaded pandoc v0.8.3
[INFO] [stderr]   Downloaded bimap v0.6.0
[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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ad009e2ba1a37f176ed45b08d9265d93925508afc8397c8d35da80c30214686
[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" "1ad009e2ba1a37f176ed45b08d9265d93925508afc8397c8d35da80c30214686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad009e2ba1a37f176ed45b08d9265d93925508afc8397c8d35da80c30214686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad009e2ba1a37f176ed45b08d9265d93925508afc8397c8d35da80c30214686", kill_on_drop: false }`
[INFO] [stdout] 1ad009e2ba1a37f176ed45b08d9265d93925508afc8397c8d35da80c30214686
[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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 6d46a49688f0d9baf9570d291fe3a84c12acd73cb9886e8e873599b08db3512a
[INFO] running `Command { std: "docker" "start" "-a" "6d46a49688f0d9baf9570d291fe3a84c12acd73cb9886e8e873599b08db3512a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bimap v0.6.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking calculatex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]    --> src/expr/val.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     use std::convert::TryInto;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::unit::Unit`
[INFO] [stdout]   --> src/parser/expr.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         expr::unit::Unit,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:726:13
[INFO] [stdout]     |
[INFO] [stdout] 726 |         let mut unit1 = Unit::try_from("meters").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:727:13
[INFO] [stdout]     |
[INFO] [stdout] 727 |         let mut unit2 = Unit::try_from("grams").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:733:13
[INFO] [stdout]     |
[INFO] [stdout] 733 |         let mut unit1 = Unit::try_from("joule").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:734:13
[INFO] [stdout]     |
[INFO] [stdout] 734 |         let mut unit2 = Unit::try_from("meter").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:740:13
[INFO] [stdout]     |
[INFO] [stdout] 740 |         let mut unit1 = Unit::try_from("joule").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:741:13
[INFO] [stdout]     |
[INFO] [stdout] 741 |         let mut unit2 = Unit::try_from("second").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:747:13
[INFO] [stdout]     |
[INFO] [stdout] 747 |         let mut unit1 = Unit::try_from("ampere").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:748:13
[INFO] [stdout]     |
[INFO] [stdout] 748 |         let mut unit2 = Unit::try_from("second").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:754:13
[INFO] [stdout]     |
[INFO] [stdout] 754 |         let mut unit1 = Unit::try_from("ampere").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:755:13
[INFO] [stdout]     |
[INFO] [stdout] 755 |         let mut unit2 = Unit::try_from("ampere").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:761:13
[INFO] [stdout]     |
[INFO] [stdout] 761 |         let mut unit1 = Unit::try_from("meters").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:762:13
[INFO] [stdout]     |
[INFO] [stdout] 762 |         let mut unit2 = Unit::try_from("meters").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:768:13
[INFO] [stdout]     |
[INFO] [stdout] 768 |         let mut unit1 = Unit::try_from("grams").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/expr/unit.rs:769:13
[INFO] [stdout]     |
[INFO] [stdout] 769 |         let mut unit2 = Unit::try_from("grams").unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Custom`
[INFO] [stdout]    --> src/expr/unit.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Custom(BTreeMap<String, Ratio<u8>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Text`
[INFO] [stdout]   --> src/latex.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Text(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Custom`
[INFO] [stdout]    --> src/expr/unit.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Custom(BTreeMap<String, Ratio<u8>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Text`
[INFO] [stdout]   --> src/latex.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Text(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mult_val_m_A_success` should have a snake case name
[INFO] [stdout]    --> src/expr/val.rs:288:8
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn mult_val_m_A_success() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `mult_val_m_a_success`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | /         parse_block(
[INFO] [stdout] 122 | |             "
[INFO] [stdout] 123 | |                 x = 5
[INFO] [stdout] 124 | |                 5 + 10
[INFO] [stdout] 125 | |             ",
[INFO] [stdout] 126 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.90s
[INFO] running `Command { std: "docker" "inspect" "6d46a49688f0d9baf9570d291fe3a84c12acd73cb9886e8e873599b08db3512a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d46a49688f0d9baf9570d291fe3a84c12acd73cb9886e8e873599b08db3512a", kill_on_drop: false }`
[INFO] [stdout] 6d46a49688f0d9baf9570d291fe3a84c12acd73cb9886e8e873599b08db3512a