[INFO] fetching crate argot 0.2.2...
[INFO] checking argot-0.2.2 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate argot 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate argot 0.2.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd9090cfb0d37a2f17f575ae22c7587b362909399debba8ab72829b1d95e8fbc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd9090cfb0d37a2f17f575ae22c7587b362909399debba8ab72829b1d95e8fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd9090cfb0d37a2f17f575ae22c7587b362909399debba8ab72829b1d95e8fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9090cfb0d37a2f17f575ae22c7587b362909399debba8ab72829b1d95e8fbc", kill_on_drop: false }`
[INFO] [stdout] bd9090cfb0d37a2f17f575ae22c7587b362909399debba8ab72829b1d95e8fbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4725b7382ad742856c30dae42653e70bb2d2fbbcd117d29ebce6964751487ad0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4725b7382ad742856c30dae42653e70bb2d2fbbcd117d29ebce6964751487ad0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking simple-error v0.1.12
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking indicatif v0.10.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking argot v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 18.43s
[INFO] running `Command { std: "docker" "inspect" "4725b7382ad742856c30dae42653e70bb2d2fbbcd117d29ebce6964751487ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4725b7382ad742856c30dae42653e70bb2d2fbbcd117d29ebce6964751487ad0", kill_on_drop: false }`
[INFO] [stdout] 4725b7382ad742856c30dae42653e70bb2d2fbbcd117d29ebce6964751487ad0
