[INFO] cloning repository https://github.com/daogangtang/jsontable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daogangtang/jsontable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fjsontable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fjsontable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08bc00f63071404faefd6edbeb8cb4f9aa47a06d
[INFO] checking daogangtang/jsontable against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fjsontable" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daogangtang/jsontable on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daogangtang/jsontable
[INFO] finished tweaking git repo https://github.com/daogangtang/jsontable
[INFO] tweaked toml for git repo https://github.com/daogangtang/jsontable written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/daogangtang/jsontable already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 84 packages
[INFO] [stderr]     Updating `git://crates.mirrors.ustc.edu.cn/index` index
[INFO] [stderr] warning: spurious network error (3 tries remaining): remote error: access denied or repository not exported: /index; class=Net (12)
[INFO] [stderr] warning: spurious network error (2 tries remaining): remote error: access denied or repository not exported: /index; class=Net (12)
[INFO] [stderr] warning: spurious network error (1 tries remaining): remote error: access denied or repository not exported: /index; class=Net (12)
[INFO] [stderr] error: Unable to update registry `git://crates.mirrors.ustc.edu.cn/index`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to fetch `git://crates.mirrors.ustc.edu.cn/index`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   network failure seems to have happened
[INFO] [stderr]   if a proxy or similar is necessary `net.git-fetch-with-cli` may help here
[INFO] [stderr]   https://doc.rust-lang.org/cargo/reference/config.html#netgit-fetch-with-cli
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   remote error: access denied or repository not exported: /index; class=Net (12)
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking daogangtang/jsontable against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fjsontable" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daogangtang/jsontable on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daogangtang/jsontable
[INFO] finished tweaking git repo https://github.com/daogangtang/jsontable
[INFO] tweaked toml for git repo https://github.com/daogangtang/jsontable written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/daogangtang/jsontable already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quasi_macros v0.16.0
[INFO] [stderr]   Downloaded quasi_codegen v0.16.0
[INFO] [stderr]   Downloaded quasi v0.16.0
[INFO] [stderr]   Downloaded serde_codegen v0.7.15
[INFO] [stderr]   Downloaded serde_macros v0.7.15
[INFO] [stderr]   Downloaded aster v0.22.1
[INFO] [stderr]   Downloaded serde_json v0.7.4
[INFO] [stderr]   Downloaded serde_codegen_internals v0.4.0
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded unicode-bidi v0.2.6
[INFO] [stderr]   Downloaded url v0.5.10
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 851ef9911e6cc5e08d2b8bb932927b9b837c0537ef65bc2ce15df28b97e11185
[INFO] running `Command { std: "docker" "start" "-a" "851ef9911e6cc5e08d2b8bb932927b9b837c0537ef65bc2ce15df28b97e11185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "851ef9911e6cc5e08d2b8bb932927b9b837c0537ef65bc2ce15df28b97e11185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851ef9911e6cc5e08d2b8bb932927b9b837c0537ef65bc2ce15df28b97e11185", kill_on_drop: false }`
[INFO] [stdout] 851ef9911e6cc5e08d2b8bb932927b9b837c0537ef65bc2ce15df28b97e11185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e06e465e73bcccf5852363abf6aa2fdb625fe0b6592d60014aef89ebb6282a84
[INFO] running `Command { std: "docker" "start" "-a" "e06e465e73bcccf5852363abf6aa2fdb625fe0b6592d60014aef89ebb6282a84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling aster v0.22.1
[INFO] [stderr]    Compiling serde_codegen v0.7.15
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.2.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/aster-0.22.1/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_codegen_internals v0.4.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen_internals-0.4.0/src/lib.rs:3:66
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(not(feature = "with-syntex"), feature(rustc_private, plugin))]
[INFO] [stdout]   |                                                                  ^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen_internals-0.4.0/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_errors`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen_internals-0.4.0/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_errors as errors;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quasi v0.16.0
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen_internals-0.4.0/src/attr.rs:587:15
[INFO] [stdout]     |
[INFO] [stdout] 587 |     let tts = panictry!(parse::parse_tts_from_source_str(
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stdout] error[E0392]: lifetime parameter `'a` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen_internals-0.4.0/src/ast.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Body<'a> {
[INFO] [stdout]    |               ^^ unused lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: lifetime parameter `'a` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen_internals-0.4.0/src/attr.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct BoolAttr<'a, 'b: 'a>(Attr<'a, 'b, ()>);
[INFO] [stdout]    |                 ^^ unused lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: lifetime parameter `'b` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen_internals-0.4.0/src/attr.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct BoolAttr<'a, 'b: 'a>(Attr<'a, 'b, ()>);
[INFO] [stdout]    |                     ^^ unused lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'b`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_errors`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | extern crate rustc_errors as errors;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_codegen_internals` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         panictry!(parser.parse_attribute(permit_inner))
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:397:5
[INFO] [stdout]     |
[INFO] [stdout] 397 |     panictry!(parser.parse_stmt())
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:393:9
[INFO] [stdout]     |
[INFO] [stdout] 393 |         panictry!(parser.parse_ty())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         panictry!(parser.parse_arm())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         panictry!(parser.parse_pat())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:381:9
[INFO] [stdout]     |
[INFO] [stdout] 381 |         panictry!(parser.parse_item())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         panictry!(parser.parse_expr())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |         panictry!(parse::parse_tts_from_source_str(
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |         panictry!(parse::parse_expr_from_source_str(
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         panictry!(parse::parse_stmt_from_source_str(
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |         panictry!(parse::parse_item_from_source_str(
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         panictry!(parse_tts_from_source_str("<quote expansion>".to_string(), s, cx.cfg(), cx.parse_sess()))
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.16.0/src/lib.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         panictry!(parse_tts_from_source_str("<quote expansion>".to_string(), s, cx.cfg(), cx.parse_sess()))
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aster` (lib) due to 2 previous errors
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quasi` (lib) due to 16 previous errors
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.25/src/json.rs:1387:20
[INFO] [stdout]      |
[INFO] [stdout] 1387 |             _ => { panic!(); }
[INFO] [stdout]      |                    ^^^^^^^^ cannot infer type
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e06e465e73bcccf5852363abf6aa2fdb625fe0b6592d60014aef89ebb6282a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06e465e73bcccf5852363abf6aa2fdb625fe0b6592d60014aef89ebb6282a84", kill_on_drop: false }`
[INFO] [stdout] e06e465e73bcccf5852363abf6aa2fdb625fe0b6592d60014aef89ebb6282a84