[INFO] cloning repository https://github.com/rustwasm/twiggy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustwasm/twiggy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustwasm%2Ftwiggy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustwasm%2Ftwiggy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 466631004600c3762d1eeb860def8e24aec17d3d [INFO] checking rustwasm/twiggy against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustwasm%2Ftwiggy" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rustwasm/twiggy on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rustwasm/twiggy [INFO] finished tweaking git repo https://github.com/rustwasm/twiggy [INFO] tweaked toml for git repo https://github.com/rustwasm/twiggy written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/rustwasm/twiggy already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--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 quote v1.0.0 [INFO] [stderr] Downloaded frozen v1.0.0 [INFO] [stderr] Downloaded object v0.17.0 [INFO] [stderr] Downloaded thread_local v1.0.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.17 [INFO] [stderr] Downloaded cpp_demangle v0.3.0 [INFO] [stderr] Downloaded scroll_derive v0.10.1 [INFO] [stderr] Downloaded wasmparser v0.35.3 [INFO] [stderr] Downloaded bumpalo v3.1.1 [INFO] [stderr] Downloaded goblin v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cdbd1561fd9bba2d792299b7963c3e618de39ef1b5c134414b07dbae81babe8a [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" "cdbd1561fd9bba2d792299b7963c3e618de39ef1b5c134414b07dbae81babe8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdbd1561fd9bba2d792299b7963c3e618de39ef1b5c134414b07dbae81babe8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdbd1561fd9bba2d792299b7963c3e618de39ef1b5c134414b07dbae81babe8a", kill_on_drop: false }` [INFO] [stdout] cdbd1561fd9bba2d792299b7963c3e618de39ef1b5c134414b07dbae81babe8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1df5f8401e60e7427dbee9ae7c499dffd89142aa8722760c13b4aaf613cbc5b9 [INFO] running `Command { std: "docker" "start" "-a" "1df5f8401e60e7427dbee9ae7c499dffd89142aa8722760c13b4aaf613cbc5b9", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling cc v1.0.24 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking frozen v1.0.0 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.65 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling bumpalo v3.1.1 [INFO] [stderr] Checking wasmparser v0.35.3 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling wasm-bindgen v0.2.65 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Checking parity-wasm v0.41.0 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Compiling thread_local v1.0.0 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling cpp_demangle v0.3.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.0 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking flate2 v1.0.2 [INFO] [stderr] Compiling twiggy-opt v0.6.0 (/opt/rustwide/workdir/opt) [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.65 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.65 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling scroll_derive v0.10.1 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.65 [INFO] [stderr] Checking scroll v0.10.1 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking goblin v0.1.1 [INFO] [stderr] Checking structopt v0.3.15 [INFO] [stderr] Checking twiggy-ir v0.6.0 (/opt/rustwide/workdir/ir) [INFO] [stderr] Checking object v0.17.0 [INFO] [stderr] Checking twiggy-traits v0.6.0 (/opt/rustwide/workdir/traits) [INFO] [stderr] Checking twiggy-parser v0.6.0 (/opt/rustwide/workdir/parser) [INFO] [stderr] Checking twiggy-analyze v0.6.0 (/opt/rustwide/workdir/analyze) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> analyze/analyses/monos/emit.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> analyze/analyses/monos/emit.rs:125:10 [INFO] [stdout] | [INFO] [stdout] 125 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> analyze/analyses/top.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> analyze/analyses/top.rs:43:10 [INFO] [stdout] | [INFO] [stdout] 43 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> analyze/analyses/monos/emit.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> analyze/analyses/monos/emit.rs:125:10 [INFO] [stdout] | [INFO] [stdout] 125 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> analyze/analyses/top.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> analyze/analyses/top.rs:43:10 [INFO] [stdout] | [INFO] [stdout] 43 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking twiggy v0.6.0 (/opt/rustwide/workdir/twiggy) [INFO] [stderr] Checking twiggy-wasm-api v0.6.0 (/opt/rustwide/workdir/wasm-api) [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> twiggy/./twiggy.rs:20:18 [INFO] [stdout] | [INFO] [stdout] 20 | for c in Fail::iter_causes(&e) { [INFO] [stdout] | ^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> twiggy/./twiggy.rs:20:18 [INFO] [stdout] | [INFO] [stdout] 20 | for c in Fail::iter_causes(&e) { [INFO] [stdout] | ^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 20s [INFO] running `Command { std: "docker" "inspect" "1df5f8401e60e7427dbee9ae7c499dffd89142aa8722760c13b4aaf613cbc5b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1df5f8401e60e7427dbee9ae7c499dffd89142aa8722760c13b4aaf613cbc5b9", kill_on_drop: false }` [INFO] [stdout] 1df5f8401e60e7427dbee9ae7c499dffd89142aa8722760c13b4aaf613cbc5b9