[INFO] cloning repository https://github.com/jasonwilliams/boa [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jasonwilliams/boa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonwilliams%2Fboa", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonwilliams%2Fboa'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 835acc9af40c7fc69b94abcabbff737e3c5ab425 [INFO] checking jasonwilliams/boa against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonwilliams%2Fboa" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jasonwilliams/boa 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 git repo https://github.com/jasonwilliams/boa [INFO] finished tweaking git repo https://github.com/jasonwilliams/boa [INFO] tweaked toml for git repo https://github.com/jasonwilliams/boa written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/jasonwilliams/boa 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] Downloading crates ... [INFO] [stderr] Downloaded rustyline-derive v0.4.0 [INFO] [stderr] Downloaded ryu-js v0.2.1 [INFO] [stderr] Downloaded unicode-general-category v0.3.0 [INFO] [stderr] Downloaded gc_derive v0.3.6 [INFO] [stderr] Downloaded measureme v9.1.0 [INFO] [stderr] Downloaded gc v0.3.6 [INFO] [stderr] Downloaded perf-event-open-sys v1.0.1 [INFO] [stderr] Downloaded regress v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 87e396e950f5d7cc88ac43228cb6e48732bdf51fdab9ba02828aad5ae1d68e74 [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" "87e396e950f5d7cc88ac43228cb6e48732bdf51fdab9ba02828aad5ae1d68e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87e396e950f5d7cc88ac43228cb6e48732bdf51fdab9ba02828aad5ae1d68e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87e396e950f5d7cc88ac43228cb6e48732bdf51fdab9ba02828aad5ae1d68e74", kill_on_drop: false }` [INFO] [stdout] 87e396e950f5d7cc88ac43228cb6e48732bdf51fdab9ba02828aad5ae1d68e74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a811d26115ee28aafd6c0223f3f66e52332a43eb75b62f4be1830cced61c896e [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" "a811d26115ee28aafd6c0223f3f66e52332a43eb75b62f4be1830cced61c896e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling unicode-general-category v0.3.0 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling ryu-js v0.2.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.71 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bumpalo v3.4.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.71 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking num-format v0.4.0 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking boa_unicode v0.11.0 (/opt/rustwide/workdir/boa_unicode) [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking dirs-sys-next v0.1.1 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Compiling libssh2-sys v0.2.20 [INFO] [stderr] Compiling libgit2-sys v0.12.18+1.1.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.71 [INFO] [stderr] Checking rustyline v7.1.0 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.71 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling gc_derive v0.3.6 [INFO] [stderr] Compiling rustyline-derive v0.4.0 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.71 [INFO] [stderr] Checking git2 v0.13.17 [INFO] [stderr] Checking gc v0.3.6 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking regress v0.2.0 [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/classicalbacktrack.rs:228:42 [INFO] [stdout] | [INFO] [stdout] 228 | let c = Cursor::Element::try_from(c)?; [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in the trait `ElementType` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/indexing.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | fn try_from(v: Elem) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: candidate #2 is defined in the trait `TryFrom` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 228 | let c = ElementType::try_from(c)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 228 | let c = TryFrom::try_from(c)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/classicalbacktrack.rs:232:42 [INFO] [stdout] | [INFO] [stdout] 232 | let c = Cursor::Element::try_from(c)?; [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in the trait `ElementType` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/indexing.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | fn try_from(v: Elem) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: candidate #2 is defined in the trait `TryFrom` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 232 | let c = ElementType::try_from(c)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 232 | let c = TryFrom::try_from(c)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/classicalbacktrack.rs:527:56 [INFO] [stdout] | [INFO] [stdout] 527 | let m = match Cursor::Element::try_from(c) { [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in the trait `ElementType` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/indexing.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | fn try_from(v: Elem) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: candidate #2 is defined in the trait `TryFrom` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 527 | let m = match ElementType::try_from(c) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 527 | let m = match TryFrom::try_from(c) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/classicalbacktrack.rs:567:56 [INFO] [stdout] | [INFO] [stdout] 567 | let m = match Cursor::Element::try_from(c) { [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in the trait `ElementType` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/indexing.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | fn try_from(v: Elem) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: candidate #2 is defined in the trait `TryFrom` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 567 | let m = match ElementType::try_from(c) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 567 | let m = match TryFrom::try_from(c) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/pikevm.rs:110:44 [INFO] [stdout] | [INFO] [stdout] 110 | let c = match Cursor::Element::try_from(c) { [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in the trait `ElementType` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regress-0.2.0/src/indexing.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | fn try_from(v: Elem) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: candidate #2 is defined in the trait `TryFrom` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 110 | let c = match ElementType::try_from(c) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 110 | let c = match TryFrom::try_from(c) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regress` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a811d26115ee28aafd6c0223f3f66e52332a43eb75b62f4be1830cced61c896e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a811d26115ee28aafd6c0223f3f66e52332a43eb75b62f4be1830cced61c896e", kill_on_drop: false }` [INFO] [stdout] a811d26115ee28aafd6c0223f3f66e52332a43eb75b62f4be1830cced61c896e