[INFO] fetching crate wlambda 0.8.1...
[INFO] testing wlambda-0.8.1 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] extracting crate wlambda 0.8.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wlambda 0.8.1
[INFO] finished tweaking crates.io crate wlambda 0.8.1
[INFO] tweaked toml for crates.io crate wlambda 0.8.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wlambda 0.8.1 on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wlambda 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c194354175e11f34b37f4984496b6683b17f86467a0b74cfd552d9d01aac2a33
[INFO] running `Command { std: "docker" "start" "-a" "c194354175e11f34b37f4984496b6683b17f86467a0b74cfd552d9d01aac2a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c194354175e11f34b37f4984496b6683b17f86467a0b74cfd552d9d01aac2a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c194354175e11f34b37f4984496b6683b17f86467a0b74cfd552d9d01aac2a33", kill_on_drop: false }`
[INFO] [stdout] c194354175e11f34b37f4984496b6683b17f86467a0b74cfd552d9d01aac2a33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2daf9c059d2767cabe61f24882a2fb6f68e06274e0faa1504529f72fddadcb48
[INFO] running `Command { std: "docker" "start" "-a" "2daf9c059d2767cabe61f24882a2fb6f68e06274e0faa1504529f72fddadcb48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling dirs-next v1.0.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rustyline v6.3.0
[INFO] [stderr]    Compiling rmp-serde v0.14.4
[INFO] [stderr]    Compiling wlambda v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/vval.rs:975:25
[INFO] [stdout]     |
[INFO] [stdout] 975 |                         ("raccm".to_string()),
[INFO] [stdout]     |                         ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 975 -                         ("raccm".to_string()),
[INFO] [stdout] 975 +                         "raccm".to_string(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/vval.rs:977:25
[INFO] [stdout]     |
[INFO] [stdout] 977 |                         ("rslf".to_string()),
[INFO] [stdout]     |                         ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 977 -                         ("rslf".to_string()),
[INFO] [stdout] 977 +                         "rslf".to_string(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/vval.rs:979:25
[INFO] [stdout]     |
[INFO] [stdout] 979 |                         ("ritr".to_string()),
[INFO] [stdout]     |                         ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 979 -                         ("ritr".to_string()),
[INFO] [stdout] 979 +                         "ritr".to_string(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/vval.rs:983:25
[INFO] [stdout]     |
[INFO] [stdout] 983 |                         ("nul".to_string()),
[INFO] [stdout]     |                         ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 983 -                         ("nul".to_string()),
[INFO] [stdout] 983 +                         "nul".to_string(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]     --> src/vval.rs:5399:33
[INFO] [stdout]      |
[INFO] [stdout] 5399 |             VVal::Flt(f)     => (*f as i64),
[INFO] [stdout]      |                                 ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5399 -             VVal::Flt(f)     => (*f as i64),
[INFO] [stdout] 5399 +             VVal::Flt(f)     => *f as i64,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `l` does not live long enough
[INFO] [stdout]     --> src/vval.rs:4086:23
[INFO] [stdout]      |
[INFO] [stdout] 4085 |                 if let Some(l) = r.upgrade() {
[INFO] [stdout]      |                             - binding `l` declared here
[INFO] [stdout] 4086 |                     &*l.borrow() as *const VVal as i64
[INFO] [stdout]      |                       ^---------
[INFO] [stdout]      |                       |
[INFO] [stdout]      |                       borrowed value does not live long enough
[INFO] [stdout]      |                       a temporary with access to the borrow is created here ...
[INFO] [stdout] 4087 |                 } else {
[INFO] [stdout]      |                 - `l` dropped here while still borrowed
[INFO] [stdout] ...
[INFO] [stdout] 4093 |     }
[INFO] [stdout]      |     - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `Ref<'_, vval::VVal>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: the temporary is part of an expression at the end of a block;
[INFO] [stdout]              consider forcing this temporary to be dropped sooner, before the block's local variables are dropped
[INFO] [stdout] help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block
[INFO] [stdout]      |
[INFO] [stdout] 4086 |                     let x = &*l.borrow() as *const VVal as i64; x
[INFO] [stdout]      |                     +++++++                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wlambda` (lib) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2daf9c059d2767cabe61f24882a2fb6f68e06274e0faa1504529f72fddadcb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2daf9c059d2767cabe61f24882a2fb6f68e06274e0faa1504529f72fddadcb48", kill_on_drop: false }`
[INFO] [stdout] 2daf9c059d2767cabe61f24882a2fb6f68e06274e0faa1504529f72fddadcb48
