[INFO] fetching crate argot 0.2.2...
[INFO] checking argot-0.2.2 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate argot 0.2.2 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate argot 0.2.2 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argot 0.2.2
[INFO] finished tweaking crates.io crate argot 0.2.2
[INFO] tweaked toml for crates.io crate argot 0.2.2 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_type v2.3.0
[INFO] [stderr]   Downloaded indicatif v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6684dbbf7e169f580d2d461c9b2fa563184f47236db3bdc1579fc354064a58c1
[INFO] running `Command { std: "docker" "start" "-a" "6684dbbf7e169f580d2d461c9b2fa563184f47236db3bdc1579fc354064a58c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6684dbbf7e169f580d2d461c9b2fa563184f47236db3bdc1579fc354064a58c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6684dbbf7e169f580d2d461c9b2fa563184f47236db3bdc1579fc354064a58c1", kill_on_drop: false }`
[INFO] [stdout] 6684dbbf7e169f580d2d461c9b2fa563184f47236db3bdc1579fc354064a58c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c67a63c0e8eb11a3cc79f7dd99832f6565b46384113060c81d339e5dbdde2a2
[INFO] running `Command { std: "docker" "start" "-a" "8c67a63c0e8eb11a3cc79f7dd99832f6565b46384113060c81d339e5dbdde2a2", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking simple-error v0.1.12
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking os_type v2.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking indicatif v0.10.2
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking argot v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/rendering.rs:22:78
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Err(why) => panic!("Couldn't create {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/rendering.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 why.description()
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/rendering.rs:22:78
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Err(why) => panic!("Couldn't create {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/rendering.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 why.description()
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:157:29
[INFO] [stdout]     |
[INFO] [stdout] 157 |                         let mut inner_content = Vec::new();
[INFO] [stdout]     |                             ----^^^^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:157:29
[INFO] [stdout]     |
[INFO] [stdout] 157 |                         let mut inner_content = Vec::new();
[INFO] [stdout]     |                             ----^^^^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.58s
[INFO] running `Command { std: "docker" "inspect" "8c67a63c0e8eb11a3cc79f7dd99832f6565b46384113060c81d339e5dbdde2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c67a63c0e8eb11a3cc79f7dd99832f6565b46384113060c81d339e5dbdde2a2", kill_on_drop: false }`
[INFO] [stdout] 8c67a63c0e8eb11a3cc79f7dd99832f6565b46384113060c81d339e5dbdde2a2