[INFO] fetching crate lib_xch 0.13.0...
[INFO] checking lib_xch-0.13.0 against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483
[INFO] extracting crate lib_xch 0.13.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lib_xch 0.13.0 on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib_xch 0.13.0
[INFO] finished tweaking crates.io crate lib_xch 0.13.0
[INFO] tweaked toml for crates.io crate lib_xch 0.13.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded id_tree v1.8.0
[INFO] [stderr]   Downloaded alga v0.7.2
[INFO] [stderr]   Downloaded nalgebra v0.16.14
[INFO] [stderr]   Downloaded generic-array v0.11.2
[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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c9b3724195d6a2a1ea9100630737be70b6540b4a6a6f6b0330a4e95ca428761
[INFO] running `Command { std: "docker" "start" "-a" "2c9b3724195d6a2a1ea9100630737be70b6540b4a6a6f6b0330a4e95ca428761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c9b3724195d6a2a1ea9100630737be70b6540b4a6a6f6b0330a4e95ca428761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9b3724195d6a2a1ea9100630737be70b6540b4a6a6f6b0330a4e95ca428761", kill_on_drop: false }`
[INFO] [stdout] 2c9b3724195d6a2a1ea9100630737be70b6540b4a6a6f6b0330a4e95ca428761
[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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d62c31f9e991ddc22431a2420aef145ae9d30b8e9450ad59c0ebdea01d8e3b35
[INFO] running `Command { std: "docker" "start" "-a" "d62c31f9e991ddc22431a2420aef145ae9d30b8e9450ad59c0ebdea01d8e3b35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking id_tree v1.8.0
[INFO] [stderr]     Checking generic-array v0.11.2
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rayon v1.6.0
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking nalgebra v0.16.14
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling pest v2.5.1
[INFO] [stderr]    Compiling pest_meta v2.5.1
[INFO] [stderr]    Compiling pest_generator v2.5.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]    Compiling pest_derive v2.5.1
[INFO] [stderr]     Checking lib_xch v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/testers/mod.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Err(e) => panic!(e),
[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: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Err(e) => std::panic::panic_any(e),
[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 26.45s
[INFO] running `Command { std: "docker" "inspect" "d62c31f9e991ddc22431a2420aef145ae9d30b8e9450ad59c0ebdea01d8e3b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62c31f9e991ddc22431a2420aef145ae9d30b8e9450ad59c0ebdea01d8e3b35", kill_on_drop: false }`
[INFO] [stdout] d62c31f9e991ddc22431a2420aef145ae9d30b8e9450ad59c0ebdea01d8e3b35