[INFO] fetching crate peta 0.0.5...
[INFO] testing peta-0.0.5 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate peta 0.0.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate peta 0.0.5
[INFO] finished tweaking crates.io crate peta 0.0.5
[INFO] tweaked toml for crates.io crate peta 0.0.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate peta 0.0.5 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.10.1)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding hashbrown v0.1.8 (available: v0.16.0)
[INFO] [stderr]       Adding http v0.1.21 (available: v1.3.1)
[INFO] [stderr]       Adding hyper v0.12.36 (available: v1.8.0)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.44)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.48.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92f71e9585ae697a2d4c1c8f9241563cdd20d64d3e348768a28d44a8fc1b6744
[INFO] running `Command { std: "docker" "start" "-a" "92f71e9585ae697a2d4c1c8f9241563cdd20d64d3e348768a28d44a8fc1b6744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f71e9585ae697a2d4c1c8f9241563cdd20d64d3e348768a28d44a8fc1b6744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f71e9585ae697a2d4c1c8f9241563cdd20d64d3e348768a28d44a8fc1b6744", kill_on_drop: false }`
[INFO] [stdout] 92f71e9585ae697a2d4c1c8f9241563cdd20d64d3e348768a28d44a8fc1b6744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a6bf4486abaf63e591ad84ffe2df60635f084ff92f5b0577c354964d2aaa7cc
[INFO] running `Command { std: "docker" "start" "-a" "8a6bf4486abaf63e591ad84ffe2df60635f084ff92f5b0577c354964d2aaa7cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling peta v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/reader.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |       let n = try_ready!(self.socket.read_buf(&mut self.buffer));
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf`
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(read_buf)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn delay(req: Request) -> ResponseFut {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hello_world(req: Request) -> ResponseFut {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn not_found(req: Request) -> ResponseFut {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.34s
[INFO] running `Command { std: "docker" "inspect" "8a6bf4486abaf63e591ad84ffe2df60635f084ff92f5b0577c354964d2aaa7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6bf4486abaf63e591ad84ffe2df60635f084ff92f5b0577c354964d2aaa7cc", kill_on_drop: false }`
[INFO] [stdout] 8a6bf4486abaf63e591ad84ffe2df60635f084ff92f5b0577c354964d2aaa7cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5913e0d050ed71c9ca48dbd579e924435dae113fe28d3acf5d4cb3c03fe4a6db
[INFO] running `Command { std: "docker" "start" "-a" "5913e0d050ed71c9ca48dbd579e924435dae113fe28d3acf5d4cb3c03fe4a6db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/reader.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |       let n = try_ready!(self.socket.read_buf(&mut self.buffer));
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf`
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(read_buf)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling peta v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn delay(req: Request) -> ResponseFut {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hello_world(req: Request) -> ResponseFut {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `all`
[INFO] [stdout]    --> examples/all.rs:105:6
[INFO] [stdout]     |
[INFO] [stdout] 105 | // }
[INFO] [stdout]     |     ^ consider adding a `main` function to `examples/all.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn not_found(req: Request) -> ResponseFut {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peta` (example "all") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/reader.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |       let n = try_ready!(self.socket.read_buf(&mut self.buffer));
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf`
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(read_buf)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5913e0d050ed71c9ca48dbd579e924435dae113fe28d3acf5d4cb3c03fe4a6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5913e0d050ed71c9ca48dbd579e924435dae113fe28d3acf5d4cb3c03fe4a6db", kill_on_drop: false }`
[INFO] [stdout] 5913e0d050ed71c9ca48dbd579e924435dae113fe28d3acf5d4cb3c03fe4a6db
