[INFO] fetching crate kunai 0.4.0...
[INFO] checking kunai-0.4.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate kunai 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate kunai 0.4.0 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 kunai 0.4.0
[INFO] finished tweaking crates.io crate kunai 0.4.0
[INFO] tweaked toml for crates.io crate kunai 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate kunai 0.4.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e78f77f573f08319901e3accb9ede724576d32b1d729254eff33104077096c10
[INFO] running `Command { std: "docker" "start" "-a" "e78f77f573f08319901e3accb9ede724576d32b1d729254eff33104077096c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e78f77f573f08319901e3accb9ede724576d32b1d729254eff33104077096c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78f77f573f08319901e3accb9ede724576d32b1d729254eff33104077096c10", kill_on_drop: false }`
[INFO] [stdout] e78f77f573f08319901e3accb9ede724576d32b1d729254eff33104077096c10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 843cf6538e774d474df6ea12305a35df56e126595dcb7d622d8ab57b7d32fae5
[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" "843cf6538e774d474df6ea12305a35df56e126595dcb7d622d8ab57b7d32fae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking rustc-ap-graphviz v610.0.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v610.0.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling rustc-ap-syntax v610.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.11
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking home v0.5.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:28
[INFO] [stdout]     |
[INFO] [stdout] 56  |                 match u32::try_from(n)? {
[INFO] [stdout]     |                            ^^^^^^^^ multiple `try_from` found
[INFO] [stdout] ...
[INFO] [stdout] 68  | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize);
[INFO] [stdout]     | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/lib.rs:21:5
[INFO] [stdout]     |
[INFO] [stdout] 21  |     fn try_from(T) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `std::convert::TryFrom`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 56  |                 match TryFrom::try_from(n)? {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 56  |                 match std::convert::TryFrom::try_from(n)? {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `try_from`
[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" "843cf6538e774d474df6ea12305a35df56e126595dcb7d622d8ab57b7d32fae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843cf6538e774d474df6ea12305a35df56e126595dcb7d622d8ab57b7d32fae5", kill_on_drop: false }`
[INFO] [stdout] 843cf6538e774d474df6ea12305a35df56e126595dcb7d622d8ab57b7d32fae5