[INFO] cloning repository https://github.com/hustxiaoc/learningrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hustxiaoc/learningrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhustxiaoc%2Flearningrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhustxiaoc%2Flearningrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c6691af2a79ab7126852529c3dd0009ac82a739
[INFO] checking hustxiaoc/learningrust against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhustxiaoc%2Flearningrust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hustxiaoc/learningrust on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hustxiaoc/learningrust
[INFO] finished tweaking git repo https://github.com/hustxiaoc/learningrust
[INFO] tweaked toml for git repo https://github.com/hustxiaoc/learningrust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dd085d5e466dd62d9dd2b1cf7f5f0419c261e91e191100276a53c46ac4a325a
[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" "2dd085d5e466dd62d9dd2b1cf7f5f0419c261e91e191100276a53c46ac4a325a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd085d5e466dd62d9dd2b1cf7f5f0419c261e91e191100276a53c46ac4a325a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd085d5e466dd62d9dd2b1cf7f5f0419c261e91e191100276a53c46ac4a325a", kill_on_drop: false }`
[INFO] [stdout] 2dd085d5e466dd62d9dd2b1cf7f5f0419c261e91e191100276a53c46ac4a325a
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917c89d4c64a2d88e4f580bb5e18e99ec745e62fab7f2f6402203bb0569c2676
[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" "917c89d4c64a2d88e4f580bb5e18e99ec745e62fab7f2f6402203bb0569c2676", kill_on_drop: false }`
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[INFO] [stderr]    Compiling bitvec v0.19.4
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[INFO] [stderr]     Checking aead v0.3.2
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[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.3.19
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[INFO] [stderr]     Checking blocking v1.0.2
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[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]    Compiling signal-hook v0.3.4
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking byte-pool v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking sqlformat v0.1.5
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling async_init v0.1.0 (/opt/rustwide/workdir/crates/async_init)
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::punctuated::Punctuated;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::token::Comma`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::token::Comma;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AttributeArgs`, `DataStruct`, `Data`, `DeriveInput`, `Fields`, `Meta`, `NestedMeta`, `PatType`, `Pat`, `Type`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{ parse_macro_input,Pat,Type,  PatType, DeriveInput, NestedMeta, Meta, Data, Fields, ItemFn, FnArg, AttributeArgs, DataStruct };
[INFO] [stdout]   |                              ^^^ ^^^^   ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^  ^^^^^^                 ^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `format_ident`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use quote::{ quote, format_ident};
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use proc_macro2::{Ident, Span};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `inflector::Inflector`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use inflector::Inflector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `resultType` should have a snake case name
[INFO] [stdout]   --> crates/async_init/src/lib.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let resultType = Ident::new(&caps[1], func_name.span());
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `result_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_qs v0.7.2
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking http-types v2.10.0
[INFO] [stderr]     Checking sqlx-core v0.3.5
[INFO] [stderr]     Checking femme v2.1.1
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking async-h1 v2.3.1
[INFO] [stderr]     Checking async-sse v3.0.0
[INFO] [stdout] error[E0412]: cannot find type `Receiver` in module `sync`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-sse-3.0.0/src/encoder.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |         receiver: sync::Receiver<Vec<u8>>,
[INFO] [stdout]    |                         ^^^^^^^^ not found in `sync`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use async_std::channel::Receiver;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::ops::Receiver;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::decoder::task::task_locals_wrapper::ptr::hash::impls::slice::index::ops::Receiver;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::encoder::io::sys::ext::net::raw_fd::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::sync::mpsc::Receiver;
[INFO] [stdout]    |
[INFO] [stdout]      and 4 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in module `sync`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-sse-3.0.0/src/encoder.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct Sender(sync::Sender<Vec<u8>>);
[INFO] [stdout]    |                         ^^^^^^ not found in `sync`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use async_std::channel::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use http_types::trailers::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use http_types::upgrade::Sender;
[INFO] [stdout]    |
[INFO] [stdout]      and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `channel` in module `sync`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-sse-3.0.0/src/encoder.rs:87:36
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let (sender, receiver) = sync::channel(1);
[INFO] [stdout]    |                                    ^^^^^^^ not found in `sync`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::encoder::io::sys::ext::net::raw_fd::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stdout] error[E0599]: no method named `poll_next` found for struct `Pin<_>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-sse-3.0.0/src/encoder.rs:29:66
[INFO] [stdout]    |
[INFO] [stdout] 29 |             self.buf = match ready!(Pin::new(&mut self.receiver).poll_next(cx)) {
[INFO] [stdout]    |                                                                  ^^^^^^^^^ method not found in `Pin<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pin::new(&mut self.receiver)` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-sse`
[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" "917c89d4c64a2d88e4f580bb5e18e99ec745e62fab7f2f6402203bb0569c2676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917c89d4c64a2d88e4f580bb5e18e99ec745e62fab7f2f6402203bb0569c2676", kill_on_drop: false }`
[INFO] [stdout] 917c89d4c64a2d88e4f580bb5e18e99ec745e62fab7f2f6402203bb0569c2676