[INFO] fetching crate littlewing 0.6.0... [INFO] checking littlewing-0.6.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate littlewing 0.6.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate littlewing 0.6.0 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 littlewing 0.6.0 [INFO] finished tweaking crates.io crate littlewing 0.6.0 [INFO] tweaked toml for crates.io crate littlewing 0.6.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate littlewing 0.6.0 already has a lockfile, it will not be regenerated [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 arrayref v0.3.5 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded backtrace v0.3.40 [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded backtrace-sys v0.1.32 [INFO] [stderr] Downloaded colored v1.9.0 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded rust-argon2 v0.5.1 [INFO] [stderr] Downloaded rand_xorshift v0.2.0 [INFO] [stderr] Downloaded syn v1.0.11 [INFO] [stderr] Downloaded constant_time_eq v0.1.4 [INFO] [stderr] Downloaded cc v1.0.48 [INFO] [stderr] Downloaded blake2b_simd v0.5.9 [INFO] [stderr] Downloaded libc v0.2.66 [INFO] [stderr] Downloaded arrayvec v0.5.1 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded redox_users v0.3.1 [INFO] [stderr] Downloaded dirs-sys v0.3.4 [INFO] [stderr] Downloaded getrandom v0.1.13 [INFO] [stderr] Downloaded rustyline v5.0.5 [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] 414a0b9118f2b2ccd1677a2cbe570adb23054735b79542b35c38866fa174954c [INFO] running `Command { std: "docker" "start" "-a" "414a0b9118f2b2ccd1677a2cbe570adb23054735b79542b35c38866fa174954c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "414a0b9118f2b2ccd1677a2cbe570adb23054735b79542b35c38866fa174954c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "414a0b9118f2b2ccd1677a2cbe570adb23054735b79542b35c38866fa174954c", kill_on_drop: false }` [INFO] [stdout] 414a0b9118f2b2ccd1677a2cbe570adb23054735b79542b35c38866fa174954c [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] e1e76dbd922642acec4f3242ee367be1d3ed3c91a39ffc41a85ea4cb389a2d69 [INFO] running `Command { std: "docker" "start" "-a" "e1e76dbd922642acec4f3242ee367be1d3ed3c91a39ffc41a85ea4cb389a2d69", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking colored v1.9.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking rustyline v5.0.5 [INFO] [stderr] Checking littlewing v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:56:28 [INFO] [stdout] | [INFO] [stdout] 56 | Err(f) => { panic!(f.to_string()) } [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 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 56 | Err(f) => { panic!("{}", f.to_string()) } [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 56 | Err(f) => { std::panic::panic_any(f.to_string()) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:56:28 [INFO] [stdout] | [INFO] [stdout] 56 | Err(f) => { panic!(f.to_string()) } [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 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 56 | Err(f) => { panic!("{}", f.to_string()) } [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 56 | Err(f) => { std::panic::panic_any(f.to_string()) } [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 11.00s [INFO] running `Command { std: "docker" "inspect" "e1e76dbd922642acec4f3242ee367be1d3ed3c91a39ffc41a85ea4cb389a2d69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1e76dbd922642acec4f3242ee367be1d3ed3c91a39ffc41a85ea4cb389a2d69", kill_on_drop: false }` [INFO] [stdout] e1e76dbd922642acec4f3242ee367be1d3ed3c91a39ffc41a85ea4cb389a2d69