[INFO] fetching crate urlencode 0.1.2...
[INFO] checking urlencode-0.1.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate urlencode 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate urlencode 0.1.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate urlencode 0.1.2
[INFO] finished tweaking crates.io crate urlencode 0.1.2
[INFO] tweaked toml for crates.io crate urlencode 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96d3530e04f7804024ac5e190d3f7586b579e7cea82097a59228f0f377a5cf1b
[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" "96d3530e04f7804024ac5e190d3f7586b579e7cea82097a59228f0f377a5cf1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96d3530e04f7804024ac5e190d3f7586b579e7cea82097a59228f0f377a5cf1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d3530e04f7804024ac5e190d3f7586b579e7cea82097a59228f0f377a5cf1b", kill_on_drop: false }`
[INFO] [stdout] 96d3530e04f7804024ac5e190d3f7586b579e7cea82097a59228f0f377a5cf1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e01b711fea8a1c04a46682d8f54da9543bdd8fd64ed32ccce5ba6f7d00b04d4e
[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" "e01b711fea8a1c04a46682d8f54da9543bdd8fd64ed32ccce5ba6f7d00b04d4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking urlencode v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn run(arg_matches: &ArgMatches) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 | ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn run(arg_matches: &ArgMatches) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 | ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e01b711fea8a1c04a46682d8f54da9543bdd8fd64ed32ccce5ba6f7d00b04d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01b711fea8a1c04a46682d8f54da9543bdd8fd64ed32ccce5ba6f7d00b04d4e", kill_on_drop: false }`
[INFO] [stdout] e01b711fea8a1c04a46682d8f54da9543bdd8fd64ed32ccce5ba6f7d00b04d4e