[INFO] fetching crate termion 2.0.3...
[INFO] checking termion-2.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate termion 2.0.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate termion 2.0.3 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 termion 2.0.3
[INFO] finished tweaking crates.io crate termion 2.0.3
[INFO] tweaked toml for crates.io crate termion 2.0.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate termion 2.0.3 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3709259647b744c03694fc45f749dd71fc9fa6ad9877eca746a87b417d4bbb9c
[INFO] running `Command { std: "docker" "start" "-a" "3709259647b744c03694fc45f749dd71fc9fa6ad9877eca746a87b417d4bbb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3709259647b744c03694fc45f749dd71fc9fa6ad9877eca746a87b417d4bbb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3709259647b744c03694fc45f749dd71fc9fa6ad9877eca746a87b417d4bbb9c", kill_on_drop: false }`
[INFO] [stdout] 3709259647b744c03694fc45f749dd71fc9fa6ad9877eca746a87b417d4bbb9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2d0b122a6b28343c1dbd8d7d6355e7cba9b89d7ae7dc7bb7023f3c0b12408565
[INFO] running `Command { std: "docker" "start" "-a" "2d0b122a6b28343c1dbd8d7d6355e7cba9b89d7ae7dc7bb7023f3c0b12408565", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v2.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/sys/unix/tty.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::libc;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `libc` is already defined by prelude
[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/sys/unix/tty.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::libc;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/async.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use super::*;
[INFO] [stdout]    |         -------- the item `Read` is already imported here
[INFO] [stdout] 94 |     use std::io::Read;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]    --> src/input.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use super::*;
[INFO] [stdout]     |         -------- the item `io` is already imported here
[INFO] [stdout] 242 |     use std::io;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Key` is imported redundantly
[INFO] [stdout]    --> src/input.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use super::*;
[INFO] [stdout]     |         -------- the item `Key` is already imported here
[INFO] [stdout] 242 |     use std::io;
[INFO] [stdout] 243 |     use event::{Key, Event, MouseEvent, MouseButton};
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Event` is imported redundantly
[INFO] [stdout]    --> src/input.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use super::*;
[INFO] [stdout]     |         -------- the item `Event` is already imported here
[INFO] [stdout] 242 |     use std::io;
[INFO] [stdout] 243 |     use event::{Key, Event, MouseEvent, MouseButton};
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/raw.rs:135:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] 135 |     use std::io::{stdout, Write};
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "2d0b122a6b28343c1dbd8d7d6355e7cba9b89d7ae7dc7bb7023f3c0b12408565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0b122a6b28343c1dbd8d7d6355e7cba9b89d7ae7dc7bb7023f3c0b12408565", kill_on_drop: false }`
[INFO] [stdout] 2d0b122a6b28343c1dbd8d7d6355e7cba9b89d7ae7dc7bb7023f3c0b12408565
[INFO] checking termion-2.0.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate termion 2.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate termion 2.0.3 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 termion 2.0.3
[INFO] finished tweaking crates.io crate termion 2.0.3
[INFO] tweaked toml for crates.io crate termion 2.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate termion 2.0.3 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e06173252b0bd93b0b1ff6e99babf8657d33fdb9c7758f260bb5ca59a8c7a4d2
[INFO] running `Command { std: "docker" "start" "-a" "e06173252b0bd93b0b1ff6e99babf8657d33fdb9c7758f260bb5ca59a8c7a4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e06173252b0bd93b0b1ff6e99babf8657d33fdb9c7758f260bb5ca59a8c7a4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06173252b0bd93b0b1ff6e99babf8657d33fdb9c7758f260bb5ca59a8c7a4d2", kill_on_drop: false }`
[INFO] [stdout] e06173252b0bd93b0b1ff6e99babf8657d33fdb9c7758f260bb5ca59a8c7a4d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f6f04eff514638b67dc2113b5a4af10fb3525835bce62271b1fb97812208082f
[INFO] running `Command { std: "docker" "start" "-a" "f6f04eff514638b67dc2113b5a4af10fb3525835bce62271b1fb97812208082f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v2.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/sys/unix/tty.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::libc;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `libc` is already defined by prelude
[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/sys/unix/tty.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::libc;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/async.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use super::*;
[INFO] [stdout]    |         -------- the item `Read` is already imported here
[INFO] [stdout] 94 |     use std::io::Read;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]    --> src/input.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use super::*;
[INFO] [stdout]     |         -------- the item `io` is already imported here
[INFO] [stdout] 242 |     use std::io;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Key` is imported redundantly
[INFO] [stdout]    --> src/input.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use super::*;
[INFO] [stdout]     |         -------- the item `Key` is already imported here
[INFO] [stdout] 242 |     use std::io;
[INFO] [stdout] 243 |     use event::{Key, Event, MouseEvent, MouseButton};
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Event` is imported redundantly
[INFO] [stdout]    --> src/input.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use super::*;
[INFO] [stdout]     |         -------- the item `Event` is already imported here
[INFO] [stdout] 242 |     use std::io;
[INFO] [stdout] 243 |     use event::{Key, Event, MouseEvent, MouseButton};
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/raw.rs:135:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] 135 |     use std::io::{stdout, Write};
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "f6f04eff514638b67dc2113b5a4af10fb3525835bce62271b1fb97812208082f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f04eff514638b67dc2113b5a4af10fb3525835bce62271b1fb97812208082f", kill_on_drop: false }`
[INFO] [stdout] f6f04eff514638b67dc2113b5a4af10fb3525835bce62271b1fb97812208082f