[INFO] fetching crate libpcp 0.6.4...
[INFO] checking libpcp-0.6.4 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate libpcp 0.6.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate libpcp 0.6.4 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libpcp 0.6.4
[INFO] finished tweaking crates.io crate libpcp 0.6.4
[INFO] tweaked toml for crates.io crate libpcp 0.6.4 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intervallum v1.3.0
[INFO] [stderr]   Downloaded trilean v1.1.0
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] [stderr]   Downloaded gcollections v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23ace9a76b356295be40c2d0cf32fec031142ffc4f3a2b78fb2d6601c9148198
[INFO] running `Command { std: "docker" "start" "-a" "23ace9a76b356295be40c2d0cf32fec031142ffc4f3a2b78fb2d6601c9148198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23ace9a76b356295be40c2d0cf32fec031142ffc4f3a2b78fb2d6601c9148198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ace9a76b356295be40c2d0cf32fec031142ffc4f3a2b78fb2d6601c9148198", kill_on_drop: false }`
[INFO] [stdout] 23ace9a76b356295be40c2d0cf32fec031142ffc4f3a2b78fb2d6601c9148198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ddce095e5a9dbd557f014a30581c66daaae98bb1c3d0260e7f863502f09081
[INFO] running `Command { std: "docker" "start" "-a" "15ddce095e5a9dbd557f014a30581c66daaae98bb1c3d0260e7f863502f09081", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking trilean v1.1.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking gcollections v1.4.0
[INFO] [stderr]     Checking intervallum v1.3.0
[INFO] [stderr]     Checking libpcp v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/libpcp/propagation/reactors/indexed_deps.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | /       format!("Reactor IndexedDeps has been initialized for {} variables but `{}` of the variable {} was requested.",
[INFO] [stdout] 46 | |         self.num_vars(), op, var));
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 45 |       "Reactor IndexedDeps has been initialized for {} variables but `{}` of the variable {} was requested.",
[INFO] [stdout] 46 |         self.num_vars(), op, var);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/libpcp/propagation/store.rs:140:42
[INFO] [stdout]     |
[INFO] [stdout] 140 |           debug_assert!(v < vstore.size(), format!(
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 141 | |           "The propagator {:?} has a dependency to the variable {} which is not in the vstore (of size {}).\n\
[INFO] [stdout] 142 | |           Hint: you should not manually create `Identity` struct, if you do make sure they contain relevant index to the variable vstore.",
[INFO] [stdout] 143 | |           self[p_idx], v, vstore.size()));
[INFO] [stdout]     | |________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the debug_assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 140 |         debug_assert!(v < vstore.size(), 
[INFO] [stdout] 141 |           "The propagator {:?} has a dependency to the variable {} which is not in the vstore (of size {}).\n\
[INFO] [stdout] 142 |           Hint: you should not manually create `Identity` struct, if you do make sure they contain relevant index to the variable vstore.",
[INFO] [stdout] 143 |           self[p_idx], v, vstore.size());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/libpcp/propagation/reactors/indexed_deps.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | /       format!("Reactor IndexedDeps has been initialized for {} variables but `{}` of the variable {} was requested.",
[INFO] [stdout] 46 | |         self.num_vars(), op, var));
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 45 |       "Reactor IndexedDeps has been initialized for {} variables but `{}` of the variable {} was requested.",
[INFO] [stdout] 46 |         self.num_vars(), op, var);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/libpcp/propagation/store.rs:140:42
[INFO] [stdout]     |
[INFO] [stdout] 140 |           debug_assert!(v < vstore.size(), format!(
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 141 | |           "The propagator {:?} has a dependency to the variable {} which is not in the vstore (of size {}).\n\
[INFO] [stdout] 142 | |           Hint: you should not manually create `Identity` struct, if you do make sure they contain relevant index to the variable vstore.",
[INFO] [stdout] 143 | |           self[p_idx], v, vstore.size()));
[INFO] [stdout]     | |________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the debug_assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 140 |         debug_assert!(v < vstore.size(), 
[INFO] [stdout] 141 |           "The propagator {:?} has a dependency to the variable {} which is not in the vstore (of size {}).\n\
[INFO] [stdout] 142 |           Hint: you should not manually create `Identity` struct, if you do make sure they contain relevant index to the variable vstore.",
[INFO] [stdout] 143 |           self[p_idx], v, vstore.size());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "15ddce095e5a9dbd557f014a30581c66daaae98bb1c3d0260e7f863502f09081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ddce095e5a9dbd557f014a30581c66daaae98bb1c3d0260e7f863502f09081", kill_on_drop: false }`
[INFO] [stdout] 15ddce095e5a9dbd557f014a30581c66daaae98bb1c3d0260e7f863502f09081