[INFO] fetching crate romulus 0.2.0... [INFO] checking romulus-0.2.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] extracting crate romulus 0.2.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate romulus 0.2.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate romulus 0.2.0 [INFO] finished tweaking crates.io crate romulus 0.2.0 [INFO] tweaked toml for crates.io crate romulus 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate romulus 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded criterion-plot v0.4.0 [INFO] [stderr] Downloaded rand_xoshiro v0.3.1 [INFO] [stderr] Downloaded cast v0.2.2 [INFO] [stderr] Downloaded rayon-core v1.6.0 [INFO] [stderr] Downloaded rayon v1.2.0 [INFO] [stderr] Downloaded criterion v0.3.0 [INFO] [stderr] Downloaded rand_os v0.2.2 [INFO] [stderr] Downloaded proc-macro2 v1.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78b2bc9ff2045ea16d54c013f3d88e554f2df4d319c53b0105e39fe8b4cf10f5 [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" "78b2bc9ff2045ea16d54c013f3d88e554f2df4d319c53b0105e39fe8b4cf10f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78b2bc9ff2045ea16d54c013f3d88e554f2df4d319c53b0105e39fe8b4cf10f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78b2bc9ff2045ea16d54c013f3d88e554f2df4d319c53b0105e39fe8b4cf10f5", kill_on_drop: false }` [INFO] [stdout] 78b2bc9ff2045ea16d54c013f3d88e554f2df4d319c53b0105e39fe8b4cf10f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 733f5d6133d3cc2950f0df67964808b9af805267b829033040d2d0104b531aab [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" "733f5d6133d3cc2950f0df67964808b9af805267b829033040d2d0104b531aab", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking getrandom v0.1.11 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand_os v0.2.2 [INFO] [stderr] Checking rand_xoshiro v0.3.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking criterion-plot v0.4.0 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking rayon-core v1.6.0 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking romulus v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking criterion v0.3.0 [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:74:28 [INFO] [stdout] | [INFO] [stdout] 74 | Err(msg) => panic!(msg), [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] 74 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 74 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:90:28 [INFO] [stdout] | [INFO] [stdout] 90 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 90 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 90 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:103:28 [INFO] [stdout] | [INFO] [stdout] 103 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 103 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 103 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:119:28 [INFO] [stdout] | [INFO] [stdout] 119 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 119 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 119 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:135:28 [INFO] [stdout] | [INFO] [stdout] 135 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 135 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 135 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:155:28 [INFO] [stdout] | [INFO] [stdout] 155 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 155 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 155 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:177:28 [INFO] [stdout] | [INFO] [stdout] 177 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 177 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 177 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:195:28 [INFO] [stdout] | [INFO] [stdout] 195 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 195 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 195 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:213:28 [INFO] [stdout] | [INFO] [stdout] 213 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 213 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 213 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:231:28 [INFO] [stdout] | [INFO] [stdout] 231 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 231 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 231 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:249:28 [INFO] [stdout] | [INFO] [stdout] 249 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 249 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:267:28 [INFO] [stdout] | [INFO] [stdout] 267 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 267 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 267 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:285:28 [INFO] [stdout] | [INFO] [stdout] 285 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 285 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 285 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ast/parse/tests.rs:303:28 [INFO] [stdout] | [INFO] [stdout] 303 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [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] 303 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 303 | Err(msg) => std::panic::panic_any(msg), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.06s [INFO] running `Command { std: "docker" "inspect" "733f5d6133d3cc2950f0df67964808b9af805267b829033040d2d0104b531aab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "733f5d6133d3cc2950f0df67964808b9af805267b829033040d2d0104b531aab", kill_on_drop: false }` [INFO] [stdout] 733f5d6133d3cc2950f0df67964808b9af805267b829033040d2d0104b531aab