[INFO] fetching crate libpcp 0.6.4...
[INFO] checking libpcp-0.6.4 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate libpcp 0.6.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libpcp 0.6.4 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intervallum v1.3.0
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b34dce11bb4b2a2dba0f9e6b92b4cb054e5145e251c7cc78d656c1322d9418b
[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" "7b34dce11bb4b2a2dba0f9e6b92b4cb054e5145e251c7cc78d656c1322d9418b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b34dce11bb4b2a2dba0f9e6b92b4cb054e5145e251c7cc78d656c1322d9418b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b34dce11bb4b2a2dba0f9e6b92b4cb054e5145e251c7cc78d656c1322d9418b", kill_on_drop: false }`
[INFO] [stdout] 7b34dce11bb4b2a2dba0f9e6b92b4cb054e5145e251c7cc78d656c1322d9418b
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 705857ec2212c34ec6dc87f02b8179bf669d9eaf78be3e6af881981bded62893
[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" "705857ec2212c34ec6dc87f02b8179bf669d9eaf78be3e6af881981bded62893", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking trilean v1.0.1
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `Command { std: "docker" "inspect" "705857ec2212c34ec6dc87f02b8179bf669d9eaf78be3e6af881981bded62893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705857ec2212c34ec6dc87f02b8179bf669d9eaf78be3e6af881981bded62893", kill_on_drop: false }`
[INFO] [stdout] 705857ec2212c34ec6dc87f02b8179bf669d9eaf78be3e6af881981bded62893