[INFO] fetching crate lw-webdriver 0.4.1...
[INFO] checking lw-webdriver-0.4.1 against try#94e848735e78b58442e0b82e9c60f8f430840389 for pr-149218-1
[INFO] extracting crate lw-webdriver 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lw-webdriver 0.4.1
[INFO] finished tweaking crates.io crate lw-webdriver 0.4.1
[INFO] tweaked toml for crates.io crate lw-webdriver 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lw-webdriver 0.4.1 on toolchain 94e848735e78b58442e0b82e9c60f8f430840389
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "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" "+94e848735e78b58442e0b82e9c60f8f430840389" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b8839bffb7e596eda8d7c80ffec640f5d998290fdd40cc312d734fa21b056db
[INFO] running `Command { std: "docker" "start" "-a" "0b8839bffb7e596eda8d7c80ffec640f5d998290fdd40cc312d734fa21b056db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b8839bffb7e596eda8d7c80ffec640f5d998290fdd40cc312d734fa21b056db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8839bffb7e596eda8d7c80ffec640f5d998290fdd40cc312d734fa21b056db", kill_on_drop: false }`
[INFO] [stdout] 0b8839bffb7e596eda8d7c80ffec640f5d998290fdd40cc312d734fa21b056db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aedd10e9f83a76bede2b202b906c78a2b04588385c53971f7c8bf6fcaac83b6a
[INFO] running `Command { std: "docker" "start" "-a" "aedd10e9f83a76bede2b202b906c78a2b04588385c53971f7c8bf6fcaac83b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking minreq v2.14.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking lw-webdriver v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/session.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | use log::{debug, info, warn, error};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::elements::*`
[INFO] [stdout]  --> src/tab.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::elements::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `info`
[INFO] [stdout]  --> src/tab.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log::{info, error};
[INFO] [stdout]   |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tab::*`
[INFO] [stdout]  --> src/elements.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tab::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Selector`
[INFO] [stdout]  --> src/elements.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::enums::{Selector, WebdriverObject};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> src/elements.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{debug, info, warn, error};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/http_requests.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log::{debug, info, warn, error};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/session.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | use log::{debug, info, warn, error};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::elements::*`
[INFO] [stdout]  --> src/tab.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::elements::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `info`
[INFO] [stdout]  --> src/tab.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log::{info, error};
[INFO] [stdout]   |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tab::*`
[INFO] [stdout]  --> src/elements.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tab::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Selector`
[INFO] [stdout]  --> src/elements.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::enums::{Selector, WebdriverObject};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> src/elements.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{debug, info, warn, error};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/http_requests.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log::{debug, info, warn, error};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json::object`
[INFO] [stdout]  --> tests/tests.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use json::object;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `Command { std: "docker" "inspect" "aedd10e9f83a76bede2b202b906c78a2b04588385c53971f7c8bf6fcaac83b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedd10e9f83a76bede2b202b906c78a2b04588385c53971f7c8bf6fcaac83b6a", kill_on_drop: false }`
[INFO] [stdout] aedd10e9f83a76bede2b202b906c78a2b04588385c53971f7c8bf6fcaac83b6a