[INFO] fetching crate rss2tg 0.2.3...
[INFO] checking rss2tg-0.2.3 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate rss2tg 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rss2tg 0.2.3 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rss2tg 0.2.3
[INFO] finished tweaking crates.io crate rss2tg 0.2.3
[INFO] tweaked toml for crates.io crate rss2tg 0.2.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c24b82dca306995b1ff4c724a817e8f0c965f78c83fe716b8f527eba13d97d8e
[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" "c24b82dca306995b1ff4c724a817e8f0c965f78c83fe716b8f527eba13d97d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c24b82dca306995b1ff4c724a817e8f0c965f78c83fe716b8f527eba13d97d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24b82dca306995b1ff4c724a817e8f0c965f78c83fe716b8f527eba13d97d8e", kill_on_drop: false }`
[INFO] [stdout] c24b82dca306995b1ff4c724a817e8f0c965f78c83fe716b8f527eba13d97d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19a5d6694d7bb0cabdabe65e5d2ccd3070e8d0b3b2ff236199828228a1ef0ff1
[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" "19a5d6694d7bb0cabdabe65e5d2ccd3070e8d0b3b2ff236199828228a1ef0ff1", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]    Compiling curl v0.4.34
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[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
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[INFO] [stderr]     Checking cookie_store v0.7.0
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[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking rss v1.9.0
[INFO] [stderr]     Checking rss2tg v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/rss2tg/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TryRecvError`, `self`
[INFO] [stdout]   --> src/rss2tg/lib.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::sync::mpsc::{self, TryRecvError};
[INFO] [stdout]    |                       ^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rss2tg/config.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/rss2tg/config.rs:59:55
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn new(args: &[String]) -> Result<Config, Box<error::Error>> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rss2tg/lib.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn run(config: Config) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rss2tg/lib.rs:65:60
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn main_loop(subscription: Subscription) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/rss2tg/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TryRecvError`, `self`
[INFO] [stdout]   --> src/rss2tg/lib.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::sync::mpsc::{self, TryRecvError};
[INFO] [stdout]    |                       ^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rss2tg/config.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/rss2tg/config.rs:59:55
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn new(args: &[String]) -> Result<Config, Box<error::Error>> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rss2tg/lib.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn run(config: Config) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rss2tg/lib.rs:65:60
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn main_loop(subscription: Subscription) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.10s
[INFO] running `Command { std: "docker" "inspect" "19a5d6694d7bb0cabdabe65e5d2ccd3070e8d0b3b2ff236199828228a1ef0ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a5d6694d7bb0cabdabe65e5d2ccd3070e8d0b3b2ff236199828228a1ef0ff1", kill_on_drop: false }`
[INFO] [stdout] 19a5d6694d7bb0cabdabe65e5d2ccd3070e8d0b3b2ff236199828228a1ef0ff1