[INFO] fetching crate romulus 0.3.0... [INFO] building romulus-0.3.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate romulus 0.3.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate romulus 0.3.0 [INFO] finished tweaking crates.io crate romulus 0.3.0 [INFO] tweaked toml for crates.io crate romulus 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate romulus 0.3.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate romulus 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ryu v1.0.0 [INFO] [stderr] Downloaded tinytemplate v1.0.2 [INFO] [stderr] Downloaded getrandom v0.1.11 [INFO] [stderr] Downloaded cast v0.2.2 [INFO] [stderr] Downloaded criterion-plot v0.4.0 [INFO] [stderr] Downloaded rand_xoshiro v0.3.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded syn v1.0.5 [INFO] [stderr] Downloaded regex-syntax v0.6.11 [INFO] [stderr] Downloaded rand_os v0.2.2 [INFO] [stderr] Downloaded rayon v1.2.0 [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded rayon-core v1.6.0 [INFO] [stderr] Downloaded bstr v0.2.8 [INFO] [stderr] Downloaded serde_derive v1.0.99 [INFO] [stderr] Downloaded serde v1.0.99 [INFO] [stderr] Downloaded serde_json v1.0.40 [INFO] [stderr] Downloaded regex v1.2.1 [INFO] [stderr] Downloaded crossbeam-deque v0.7.1 [INFO] [stderr] Downloaded csv v1.1.1 [INFO] [stderr] Downloaded regex-automata v0.1.8 [INFO] [stderr] Downloaded itertools v0.8.0 [INFO] [stderr] Downloaded either v1.5.2 [INFO] [stderr] Downloaded crossbeam-queue v0.1.2 [INFO] [stderr] Downloaded num_cpus v1.10.1 [INFO] [stderr] Downloaded criterion v0.3.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.2 [INFO] [stderr] Downloaded wasi v0.5.0 [INFO] [stderr] Downloaded csv-core v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9bf0b16b4f3d27d08359dece26dfe78bddc40438834b031d973f3a3b482191f [INFO] running `Command { std: "docker" "start" "-a" "d9bf0b16b4f3d27d08359dece26dfe78bddc40438834b031d973f3a3b482191f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9bf0b16b4f3d27d08359dece26dfe78bddc40438834b031d973f3a3b482191f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9bf0b16b4f3d27d08359dece26dfe78bddc40438834b031d973f3a3b482191f", kill_on_drop: false }` [INFO] [stdout] d9bf0b16b4f3d27d08359dece26dfe78bddc40438834b031d973f3a3b482191f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a567cc10b66635a11bf3560f5cd1ca244b356f7a29a0df92d9a7e12ebe66d469 [INFO] running `Command { std: "docker" "start" "-a" "a567cc10b66635a11bf3560f5cd1ca244b356f7a29a0df92d9a7e12ebe66d469", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.11 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling regex v1.2.1 [INFO] [stderr] Compiling romulus v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lex/mod.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn lex(buf: &str) -> Result, String> { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | pub fn lex(buf: &str) -> Result>, String> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lex/mod.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn full_lex(buf: &str) -> Result, String> { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 90 | pub fn full_lex(buf: &str) -> Result>, String> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.31s [INFO] running `Command { std: "docker" "inspect" "a567cc10b66635a11bf3560f5cd1ca244b356f7a29a0df92d9a7e12ebe66d469", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a567cc10b66635a11bf3560f5cd1ca244b356f7a29a0df92d9a7e12ebe66d469", kill_on_drop: false }` [INFO] [stdout] a567cc10b66635a11bf3560f5cd1ca244b356f7a29a0df92d9a7e12ebe66d469 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 121cf2f1c87bf0afab626135cd6200fa89c47256cd93191185ec479c93eaa6da [INFO] running `Command { std: "docker" "start" "-a" "121cf2f1c87bf0afab626135cd6200fa89c47256cd93191185ec479c93eaa6da", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling rand_os v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling rand_xoshiro v0.3.1 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lex/mod.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn lex(buf: &str) -> Result, String> { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | pub fn lex(buf: &str) -> Result>, String> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lex/mod.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn full_lex(buf: &str) -> Result, String> { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 90 | pub fn full_lex(buf: &str) -> Result>, String> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling criterion-plot v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling bstr v0.2.8 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling tinytemplate v1.0.2 [INFO] [stderr] Compiling criterion v0.3.0 [INFO] [stderr] Compiling romulus v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lex/mod.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn lex(buf: &str) -> Result, String> { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | pub fn lex(buf: &str) -> Result>, String> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lex/mod.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn full_lex(buf: &str) -> Result, String> { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 90 | pub fn full_lex(buf: &str) -> Result>, String> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 27.56s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "121cf2f1c87bf0afab626135cd6200fa89c47256cd93191185ec479c93eaa6da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "121cf2f1c87bf0afab626135cd6200fa89c47256cd93191185ec479c93eaa6da", kill_on_drop: false }` [INFO] [stdout] 121cf2f1c87bf0afab626135cd6200fa89c47256cd93191185ec479c93eaa6da