[INFO] cloning repository https://github.com/johnterickson/prusti-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnterickson/prusti-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Fprusti-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Fprusti-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6b559a8b718834f1d4e66f59d5355dfdbbbfdc2
[INFO] checking johnterickson/prusti-play against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Fprusti-play" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnterickson/prusti-play on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnterickson/prusti-play
[INFO] finished tweaking git repo https://github.com/johnterickson/prusti-play
[INFO] tweaked toml for git repo https://github.com/johnterickson/prusti-play written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/johnterickson/prusti-play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39c2a72bd5ef6b8bbb1d69863e6bd95747129a3830bcbff296c03f0fdd718804
[INFO] running `Command { std: "docker" "start" "-a" "39c2a72bd5ef6b8bbb1d69863e6bd95747129a3830bcbff296c03f0fdd718804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c2a72bd5ef6b8bbb1d69863e6bd95747129a3830bcbff296c03f0fdd718804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c2a72bd5ef6b8bbb1d69863e6bd95747129a3830bcbff296c03f0fdd718804", kill_on_drop: false }`
[INFO] [stdout] 39c2a72bd5ef6b8bbb1d69863e6bd95747129a3830bcbff296c03f0fdd718804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ebd5d371c5f78e9a3047fdbc026e475f85b4b0b4b3f8c0fad8257c1eaf2cd0
[INFO] running `Command { std: "docker" "start" "-a" "92ebd5d371c5f78e9a3047fdbc026e475f85b4b0b4b3f8c0fad8257c1eaf2cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling prusti-specs v0.1.0 (https://github.com/viperproject/prusti-dev.git#9b2038fc)
[INFO] [stderr]    Compiling prusti-contracts-impl v0.1.0 (https://github.com/viperproject/prusti-dev.git#9b2038fc)
[INFO] [stderr]     Checking prusti-contracts v0.1.0 (https://github.com/viperproject/prusti-dev.git#9b2038fc)
[INFO] [stderr]     Checking prusti-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `>`
[INFO] [stdout]   --> src/main.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     forall(|b: bool| true ==> true)
[INFO] [stdout]    |                             ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `>`
[INFO] [stdout]   --> src/main.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     forall(|b: bool| true ==> true)
[INFO] [stdout]    |                             ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `forall` in this scope
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     forall(|b: bool| a == b)
[INFO] [stdout]    |     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prusti-play`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function `forall` in this scope
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     forall(|b: bool| a == b)
[INFO] [stdout]    |     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "92ebd5d371c5f78e9a3047fdbc026e475f85b4b0b4b3f8c0fad8257c1eaf2cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ebd5d371c5f78e9a3047fdbc026e475f85b4b0b4b3f8c0fad8257c1eaf2cd0", kill_on_drop: false }`
[INFO] [stdout] 92ebd5d371c5f78e9a3047fdbc026e475f85b4b0b4b3f8c0fad8257c1eaf2cd0