[INFO] fetching crate torrentinfo 0.1.1...
[INFO] checking torrentinfo-0.1.1 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate torrentinfo 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate torrentinfo 0.1.1 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate torrentinfo 0.1.1
[INFO] finished tweaking crates.io crate torrentinfo 0.1.1
[INFO] tweaked toml for crates.io crate torrentinfo 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51cbbee6c729b76342441fb35fbcbfec5db5bf4bfae2687981b9d935fb3233fe
[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" "51cbbee6c729b76342441fb35fbcbfec5db5bf4bfae2687981b9d935fb3233fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51cbbee6c729b76342441fb35fbcbfec5db5bf4bfae2687981b9d935fb3233fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cbbee6c729b76342441fb35fbcbfec5db5bf4bfae2687981b9d935fb3233fe", kill_on_drop: false }`
[INFO] [stdout] 51cbbee6c729b76342441fb35fbcbfec5db5bf4bfae2687981b9d935fb3233fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01c5630a962ffa75de593a4eb8e4d2230036b1acc22b282fec90984e065fc1aa
[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" "01c5630a962ffa75de593a4eb8e4d2230036b1acc22b282fec90984e065fc1aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking yansi v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking serde_bencode v0.2.3
[INFO] [stderr]     Checking torrentinfo v0.1.1 (/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/error.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / error_chain! {
[INFO] [stdout] 20 | |     foreign_links {
[INFO] [stdout] 21 | |         SerdeBencode(::serde_bencode::Error);
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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/error.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / error_chain! {
[INFO] [stdout] 20 | |     foreign_links {
[INFO] [stdout] 21 | |         SerdeBencode(::serde_bencode::Error);
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / error_chain! {
[INFO] [stdout] 20 | |     foreign_links {
[INFO] [stdout] 21 | |         SerdeBencode(::serde_bencode::Error);
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / error_chain! {
[INFO] [stdout] 20 | |     foreign_links {
[INFO] [stdout] 21 | |         SerdeBencode(::serde_bencode::Error);
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             ;
[INFO] [stdout]     |             ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             ;
[INFO] [stdout]     |             ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.47s
[INFO] running `Command { std: "docker" "inspect" "01c5630a962ffa75de593a4eb8e4d2230036b1acc22b282fec90984e065fc1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c5630a962ffa75de593a4eb8e4d2230036b1acc22b282fec90984e065fc1aa", kill_on_drop: false }`
[INFO] [stdout] 01c5630a962ffa75de593a4eb8e4d2230036b1acc22b282fec90984e065fc1aa