[INFO] cloning repository https://github.com/jrozner/synfuzz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrozner/synfuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrozner%2Fsynfuzz", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrozner%2Fsynfuzz'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a61abb26d2799a80e0a0ac1098b3d6c40b316df9 [INFO] checking jrozner/synfuzz against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrozner%2Fsynfuzz" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jrozner/synfuzz on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jrozner/synfuzz [INFO] finished tweaking git repo https://github.com/jrozner/synfuzz [INFO] tweaked toml for git repo https://github.com/jrozner/synfuzz written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/jrozner/synfuzz already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 491328564dfd9fc8d4d0c6a477150c6cbf8523d2f557f6608dd5aeee5482056a [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" "491328564dfd9fc8d4d0c6a477150c6cbf8523d2f557f6608dd5aeee5482056a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "491328564dfd9fc8d4d0c6a477150c6cbf8523d2f557f6608dd5aeee5482056a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "491328564dfd9fc8d4d0c6a477150c6cbf8523d2f557f6608dd5aeee5482056a", kill_on_drop: false }` [INFO] [stdout] 491328564dfd9fc8d4d0c6a477150c6cbf8523d2f557f6608dd5aeee5482056a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a9acbe519729df18c2ed3856847ccfe907ae1a05222283208f61fb7447412d2 [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" "8a9acbe519729df18c2ed3856847ccfe907ae1a05222283208f61fb7447412d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling lalrpop-util v0.16.0 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling arrayref v0.3.5 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling ena v0.9.3 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling syn v0.15.9 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking synfuzz v0.1.0 (/opt/rustwide/workdir/synfuzz) [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:22:26 [INFO] [stdout] | [INFO] [stdout] 22 | pub choices: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [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] --> synfuzz/src/combinator.rs:55:32 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn choice(choices: Vec>) -> impl Generator { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:62:24 [INFO] [stdout] | [INFO] [stdout] 62 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:90:24 [INFO] [stdout] | [INFO] [stdout] 90 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:119:24 [INFO] [stdout] | [INFO] [stdout] 119 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:157:47 [INFO] [stdout] | [INFO] [stdout] 157 | pub rules: Arc>>>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:212:38 [INFO] [stdout] | [INFO] [stdout] 212 | pub type Rules = HashMap>; [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:220:29 [INFO] [stdout] | [INFO] [stdout] 220 | pub generators: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:238:32 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn seq(generators: Vec>) -> impl Generator { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:249:24 [INFO] [stdout] | [INFO] [stdout] 249 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:288:24 [INFO] [stdout] | [INFO] [stdout] 288 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:323:29 [INFO] [stdout] | [INFO] [stdout] 323 | pub generators: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:324:24 [INFO] [stdout] | [INFO] [stdout] 324 | pub delimiter: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:357:25 [INFO] [stdout] | [INFO] [stdout] 357 | generators: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:371:24 [INFO] [stdout] | [INFO] [stdout] 371 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:372:24 [INFO] [stdout] | [INFO] [stdout] 372 | pub separator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:418:24 [INFO] [stdout] | [INFO] [stdout] 418 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:419:24 [INFO] [stdout] | [INFO] [stdout] 419 | pub separator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:465:24 [INFO] [stdout] | [INFO] [stdout] 465 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling string_cache_codegen v0.4.1 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling digest v0.7.6 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> synfuzz/examples/expression.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:22:26 [INFO] [stdout] | [INFO] [stdout] 22 | pub choices: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [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] --> synfuzz/src/combinator.rs:55:32 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn choice(choices: Vec>) -> impl Generator { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:62:24 [INFO] [stdout] | [INFO] [stdout] 62 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:90:24 [INFO] [stdout] | [INFO] [stdout] 90 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:119:24 [INFO] [stdout] | [INFO] [stdout] 119 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:157:47 [INFO] [stdout] | [INFO] [stdout] 157 | pub rules: Arc>>>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:212:38 [INFO] [stdout] | [INFO] [stdout] 212 | pub type Rules = HashMap>; [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:220:29 [INFO] [stdout] | [INFO] [stdout] 220 | pub generators: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:238:32 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn seq(generators: Vec>) -> impl Generator { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:249:24 [INFO] [stdout] | [INFO] [stdout] 249 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:288:24 [INFO] [stdout] | [INFO] [stdout] 288 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:323:29 [INFO] [stdout] | [INFO] [stdout] 323 | pub generators: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:324:24 [INFO] [stdout] | [INFO] [stdout] 324 | pub delimiter: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:357:25 [INFO] [stdout] | [INFO] [stdout] 357 | generators: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:371:24 [INFO] [stdout] | [INFO] [stdout] 371 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:372:24 [INFO] [stdout] | [INFO] [stdout] 372 | pub separator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:418:24 [INFO] [stdout] | [INFO] [stdout] 418 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:419:24 [INFO] [stdout] | [INFO] [stdout] 419 | pub separator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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] --> synfuzz/src/combinator.rs:465:24 [INFO] [stdout] | [INFO] [stdout] 465 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [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: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Compiling lalrpop-snap v0.16.0 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Compiling lalrpop v0.16.0 [INFO] [stderr] error: failed to run custom build command for `lalrpop v0.16.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/lalrpop-c19fcf61aea85906/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/src/parser/lrgrammar.lalrpop` [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4:34 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55fdfd191950 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55fdfd191950 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55fdfd191950 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55fdfd191950 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55fdfd1b1edf - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55fdfd18f105 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55fdfd19389b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55fdfd19389b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55fdfd19389b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55fdfd193371 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55fdfd193eb0 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:625:17 [INFO] [stderr] 11: 0x55fdfd193a47 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55fdfd191dec - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55fdfd1939a9 - rust_begin_unwind [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55fdfc8e2621 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55fdfc8e2713 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55fdfc8e3440 - core::result::Result::unwrap::hce8302b60d2b01ca [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55fdfc8e353a - build_script_build::main::h6cea7b80660b8ccc [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4:5 [INFO] [stderr] 18: 0x55fdfc8e2fbb - core::ops::function::FnOnce::call_once::h9e92785d3b7c79f3 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55fdfc8e2eee - std::sys_common::backtrace::__rust_begin_short_backtrace::h517dac5052ae63a0 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55fdfc8e2f71 - std::rt::lang_start::{{closure}}::hfe087d530e4460ce [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55fdfd1942ea - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55fdfd1942ea - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55fdfd1942ea - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55fdfd1942ea - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panic.rs:433:14 [INFO] [stderr] 25: 0x55fdfd1942ea - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55fdfc8e2f50 - std::rt::lang_start::h036e8d91f6f57c41 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55fdfc8e355c - main [INFO] [stderr] 28: 0x7f2c99bfd0b3 - __libc_start_main [INFO] [stderr] 29: 0x55fdfc8e2e1e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "8a9acbe519729df18c2ed3856847ccfe907ae1a05222283208f61fb7447412d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a9acbe519729df18c2ed3856847ccfe907ae1a05222283208f61fb7447412d2", kill_on_drop: false }` [INFO] [stdout] 8a9acbe519729df18c2ed3856847ccfe907ae1a05222283208f61fb7447412d2