[INFO] fetching crate libpcp 0.6.4...
[INFO] checking libpcp-0.6.4 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate libpcp 0.6.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libpcp 0.6.4 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 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ec8c76427d7821a501e9844103669bf819635f25838071bea6447d9ae64a240d
[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" "ec8c76427d7821a501e9844103669bf819635f25838071bea6447d9ae64a240d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec8c76427d7821a501e9844103669bf819635f25838071bea6447d9ae64a240d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8c76427d7821a501e9844103669bf819635f25838071bea6447d9ae64a240d", kill_on_drop: false }`
[INFO] [stdout] ec8c76427d7821a501e9844103669bf819635f25838071bea6447d9ae64a240d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] ff02696294afb4337b22e80cab102a464fe3d14a56f693342f325251be71a42c
[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" "ff02696294afb4337b22e80cab102a464fe3d14a56f693342f325251be71a42c", kill_on_drop: false }`
[INFO] [stderr]     Checking trilean v1.0.1
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bit-set v0.4.0
[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_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() 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 is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() 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_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() 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 is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() 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 5.44s
[INFO] running `Command { std: "docker" "inspect" "ff02696294afb4337b22e80cab102a464fe3d14a56f693342f325251be71a42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff02696294afb4337b22e80cab102a464fe3d14a56f693342f325251be71a42c", kill_on_drop: false }`
[INFO] [stdout] ff02696294afb4337b22e80cab102a464fe3d14a56f693342f325251be71a42c