[INFO] fetching crate visdom 0.4.8...
[INFO] checking visdom-0.4.8 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate visdom 0.4.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate visdom 0.4.8 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate visdom 0.4.8
[INFO] finished tweaking crates.io crate visdom 0.4.8
[INFO] tweaked toml for crates.io crate visdom 0.4.8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate visdom 0.4.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[INFO] [stderr]   Downloaded tinytemplate v1.2.0
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded web-sys v0.3.46
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded const_fn v0.4.5
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded byteorder v1.4.2
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded rphtml v0.5.3
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded htmlentity v1.2.0
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded js-sys v0.3.46
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded serde_derive v1.0.118
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88e8721e2e8b6efe362aa567b4f6a77f24ff980904bbdf6d1805c573ebd9d69e
[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" "88e8721e2e8b6efe362aa567b4f6a77f24ff980904bbdf6d1805c573ebd9d69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88e8721e2e8b6efe362aa567b4f6a77f24ff980904bbdf6d1805c573ebd9d69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e8721e2e8b6efe362aa567b4f6a77f24ff980904bbdf6d1805c573ebd9d69e", kill_on_drop: false }`
[INFO] [stdout] 88e8721e2e8b6efe362aa567b4f6a77f24ff980904bbdf6d1805c573ebd9d69e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61258bd3094426f6b320ff79ebde704bf41876a32f3d5e9e60a05aa41ce06701
[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" "61258bd3094426f6b320ff79ebde704bf41876a32f3d5e9e60a05aa41ce06701", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking htmlentity v1.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking rphtml v0.5.3
[INFO] [stderr]     Checking visdom v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/mesdoc/selector/rule.rs:249:28
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     Err(reason) => panic!(reason),
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     Err(reason) => panic!("{}", reason),
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     Err(reason) => std::panic::panic_any(reason),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: unused import: `crossbeam::sync::WaitGroup`
[INFO] [stdout]  --> benches/benchmark.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::sync::WaitGroup;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> benches/benchmark.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::thread;
[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/mesdoc/selector/rule.rs:249:28
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     Err(reason) => panic!(reason),
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     Err(reason) => panic!("{}", reason),
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     Err(reason) => std::panic::panic_any(reason),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "61258bd3094426f6b320ff79ebde704bf41876a32f3d5e9e60a05aa41ce06701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61258bd3094426f6b320ff79ebde704bf41876a32f3d5e9e60a05aa41ce06701", kill_on_drop: false }`
[INFO] [stdout] 61258bd3094426f6b320ff79ebde704bf41876a32f3d5e9e60a05aa41ce06701