[INFO] fetching crate Boa 0.11.0... [INFO] checking Boa-0.11.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] extracting crate Boa 0.11.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate Boa 0.11.0 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 Boa 0.11.0 [INFO] finished tweaking crates.io crate Boa 0.11.0 [INFO] tweaked toml for crates.io crate Boa 0.11.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate Boa 0.11.0 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] Downloading crates ... [INFO] [stderr] Downloaded regress v0.2.0 [INFO] [stderr] Downloaded ryu-js v0.2.1 [INFO] [stderr] Downloaded unicode-general-category v0.3.0 [INFO] [stderr] Downloaded boa_unicode v0.11.0 [INFO] [stderr] Downloaded measureme v9.0.0 [INFO] [stderr] Downloaded gc v0.3.6 [INFO] [stderr] Downloaded gc_derive v0.3.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 89ae540be59cc540768d16881af3e01536927e40c378bbf475f59a6a2bef1f07 [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" "89ae540be59cc540768d16881af3e01536927e40c378bbf475f59a6a2bef1f07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89ae540be59cc540768d16881af3e01536927e40c378bbf475f59a6a2bef1f07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89ae540be59cc540768d16881af3e01536927e40c378bbf475f59a6a2bef1f07", kill_on_drop: false }` [INFO] [stdout] 89ae540be59cc540768d16881af3e01536927e40c378bbf475f59a6a2bef1f07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6b40d0ee2ac2d0e1c64c9084f6391b7a51846e897165de3ddfcd43b7f69dfe6f [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" "6b40d0ee2ac2d0e1c64c9084f6391b7a51846e897165de3ddfcd43b7f69dfe6f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling serde_derive v1.0.120 [INFO] [stderr] Compiling serde v1.0.120 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Compiling unicode-general-category v0.3.0 [INFO] [stderr] Compiling ryu-js v0.2.1 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Checking regex v1.4.3 [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 atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking boa_unicode v0.11.0 [INFO] [stderr] Checking rand v0.8.2 [INFO] [stderr] Checking rayon v1.5.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling gc_derive v0.3.6 [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" "6b40d0ee2ac2d0e1c64c9084f6391b7a51846e897165de3ddfcd43b7f69dfe6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b40d0ee2ac2d0e1c64c9084f6391b7a51846e897165de3ddfcd43b7f69dfe6f", kill_on_drop: false }` [INFO] [stdout] 6b40d0ee2ac2d0e1c64c9084f6391b7a51846e897165de3ddfcd43b7f69dfe6f