[INFO] fetching crate async-readline 0.1.0...
[INFO] checking async-readline-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate async-readline 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate async-readline 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-readline 0.1.0
[INFO] finished tweaking crates.io crate async-readline 0.1.0
[INFO] tweaked toml for crates.io crate async-readline 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 66 packages
[INFO] [stderr]       Adding bitflags v0.4.0 (latest: v2.5.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cacf738c67c5697336b0f7428039ec0c5d22d05db8fd725d2d2ead48156b482
[INFO] running `Command { std: "docker" "start" "-a" "3cacf738c67c5697336b0f7428039ec0c5d22d05db8fd725d2d2ead48156b482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cacf738c67c5697336b0f7428039ec0c5d22d05db8fd725d2d2ead48156b482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cacf738c67c5697336b0f7428039ec0c5d22d05db8fd725d2d2ead48156b482", kill_on_drop: false }`
[INFO] [stdout] 3cacf738c67c5697336b0f7428039ec0c5d22d05db8fd725d2d2ead48156b482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9ffe530350b4dad8598c13d30388f58f30fb14cae5f589f6411d186e32d0d29
[INFO] running `Command { std: "docker" "start" "-a" "b9ffe530350b4dad8598c13d30388f58f30fb14cae5f589f6411d186e32d0d29", kill_on_drop: false }`
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling memoffset v0.5.6
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[INFO] [stderr]     Checking bitflags v0.4.0
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[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking tokio v0.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking mio-uds v0.6.8
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[INFO] [stderr]     Checking tokio-io v0.1.13
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[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
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[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking async-readline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate libc;
[INFO] [stdout]   | ------------------ the item `libc` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio_core` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio_core;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate tokio_core;
[INFO] [stdout]   | ------------------------ the item `tokio_core` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nix;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ----------------- the item `nix` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mio` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate mio;
[INFO] [stdout]   | ----------------- the item `mio` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termios` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use termios;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate termios;
[INFO] [stdout]   | --------------------- the item `termios` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate libc;
[INFO] [stdout]   | ------------------ the item `libc` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio_core` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio_core;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate tokio_core;
[INFO] [stdout]   | ------------------------ the item `tokio_core` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nix;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ----------------- the item `nix` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mio` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate mio;
[INFO] [stdout]   | ----------------- the item `mio` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termios` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use termios;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate termios;
[INFO] [stdout]   | --------------------- the item `termios` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Io`: moved to the `tokio-io` crate
[INFO] [stdout]  --> examples/echo.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio_core::io::{Io};
[INFO] [stdout]   |                      ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Codec`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_core::io::{Codec, EasyBuf};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_core::io::EasyBuf`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_core::io::{Codec, EasyBuf};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Codec`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Codec for CharCodec {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_core::io::EasyBuf`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<Self::In>, io::Error> {
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated type `tokio_core::io::Codec::In`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:19:62
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<Self::In>, io::Error> {
[INFO] [stdout]    |                                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated type `tokio_core::io::Codec::Out`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn encode(&mut self, msg: Self::Out, buf: &mut Vec<u8>) -> io::Result<()> {
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_core::io::EasyBuf::len`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         if buf.len() == 0 {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_core::io::EasyBuf::drain_to`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         buf.drain_to(1);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_core::io::Io::framed`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let framed_in = stdin.framed(CharCodec);
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_core::io::Io::framed`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let framed_out = stdout.framed(CharCodec);
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::Map` in tuple element 0 that must be used
[INFO] [stdout]   --> examples/echo.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     l.run(done).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Framed` in tuple element 1 that must be used
[INFO] [stdout]   --> examples/echo.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     l.run(done).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::Select` in tuple element 0 that must be used
[INFO] [stdout]   --> examples/readline.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     l.run(done).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "b9ffe530350b4dad8598c13d30388f58f30fb14cae5f589f6411d186e32d0d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ffe530350b4dad8598c13d30388f58f30fb14cae5f589f6411d186e32d0d29", kill_on_drop: false }`
[INFO] [stdout] b9ffe530350b4dad8598c13d30388f58f30fb14cae5f589f6411d186e32d0d29
[INFO] checking async-readline-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate async-readline 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate async-readline 0.1.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-readline 0.1.0
[INFO] finished tweaking crates.io crate async-readline 0.1.0
[INFO] tweaked toml for crates.io crate async-readline 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c40dbcde29b9f4ee8386105171a2a9802719c4f665c6aadb1fc257a6aba2068
[INFO] running `Command { std: "docker" "start" "-a" "0c40dbcde29b9f4ee8386105171a2a9802719c4f665c6aadb1fc257a6aba2068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c40dbcde29b9f4ee8386105171a2a9802719c4f665c6aadb1fc257a6aba2068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c40dbcde29b9f4ee8386105171a2a9802719c4f665c6aadb1fc257a6aba2068", kill_on_drop: false }`
[INFO] [stdout] 0c40dbcde29b9f4ee8386105171a2a9802719c4f665c6aadb1fc257a6aba2068
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa30166686dc269dd43405396b9753ac9ba3a592f36800ac446f5a0e83e2942a
[INFO] running `Command { std: "docker" "start" "-a" "fa30166686dc269dd43405396b9753ac9ba3a592f36800ac446f5a0e83e2942a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking tokio v0.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking async-readline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate libc;
[INFO] [stdout]   | ------------------ the item `libc` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate libc;
[INFO] [stdout]   | ------------------ the item `libc` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio_core` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio_core;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate tokio_core;
[INFO] [stdout]   | ------------------------ the item `tokio_core` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nix;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ----------------- the item `nix` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mio` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate mio;
[INFO] [stdout]   | ----------------- the item `mio` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termios` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use termios;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate termios;
[INFO] [stdout]   | --------------------- the item `termios` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio_core` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio_core;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate tokio_core;
[INFO] [stdout]   | ------------------------ the item `tokio_core` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nix;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ----------------- the item `nix` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mio` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate mio;
[INFO] [stdout]   | ----------------- the item `mio` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termios` is imported redundantly
[INFO] [stdout]  --> src/raw.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use termios;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate termios;
[INFO] [stdout]   | --------------------- the item `termios` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Io`: moved to the `tokio-io` crate
[INFO] [stdout]  --> examples/echo.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio_core::io::{Io};
[INFO] [stdout]   |                      ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Codec`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_core::io::{Codec, EasyBuf};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_core::io::EasyBuf`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_core::io::{Codec, EasyBuf};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Codec`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Codec for CharCodec {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_core::io::EasyBuf`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<Self::In>, io::Error> {
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated type `tokio_core::io::Codec::In`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:19:62
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<Self::In>, io::Error> {
[INFO] [stdout]    |                                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated type `tokio_core::io::Codec::Out`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn encode(&mut self, msg: Self::Out, buf: &mut Vec<u8>) -> io::Result<()> {
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_core::io::EasyBuf::len`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         if buf.len() == 0 {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_core::io::EasyBuf::drain_to`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         buf.drain_to(1);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_core::io::Io::framed`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let framed_in = stdin.framed(CharCodec);
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_core::io::Io::framed`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let framed_out = stdout.framed(CharCodec);
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::Map` in tuple element 0 that must be used
[INFO] [stdout]   --> examples/echo.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     l.run(done).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Framed` in tuple element 1 that must be used
[INFO] [stdout]   --> examples/echo.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     l.run(done).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::Select` in tuple element 0 that must be used
[INFO] [stdout]   --> examples/readline.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     l.run(done).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "fa30166686dc269dd43405396b9753ac9ba3a592f36800ac446f5a0e83e2942a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa30166686dc269dd43405396b9753ac9ba3a592f36800ac446f5a0e83e2942a", kill_on_drop: false }`
[INFO] [stdout] fa30166686dc269dd43405396b9753ac9ba3a592f36800ac446f5a0e83e2942a