[INFO] cloning repository https://github.com/andrewmichaud/podstats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewmichaud/podstats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewmichaud%2Fpodstats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewmichaud%2Fpodstats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fe7081d266ae58a148ed9f116d0768a77318729
[INFO] checking andrewmichaud/podstats against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewmichaud%2Fpodstats" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewmichaud/podstats on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewmichaud/podstats
[INFO] finished tweaking git repo https://github.com/andrewmichaud/podstats
[INFO] tweaked toml for git repo https://github.com/andrewmichaud/podstats written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewmichaud/podstats already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f13e986dbb0cf5cfba1ee9cceea361c975cb53f4d6e2450002f2d7a51c4a671e
[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" "f13e986dbb0cf5cfba1ee9cceea361c975cb53f4d6e2450002f2d7a51c4a671e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f13e986dbb0cf5cfba1ee9cceea361c975cb53f4d6e2450002f2d7a51c4a671e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13e986dbb0cf5cfba1ee9cceea361c975cb53f4d6e2450002f2d7a51c4a671e", kill_on_drop: false }`
[INFO] [stdout] f13e986dbb0cf5cfba1ee9cceea361c975cb53f4d6e2450002f2d7a51c4a671e
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b15673a1326857f47bab133042dc54f9db294aedf6ef1425c6416ab71e4ef04d
[INFO] running `Command { std: "docker" "start" "-a" "b15673a1326857f47bab133042dc54f9db294aedf6ef1425c6416ab71e4ef04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking podstats v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/subscription.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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/subscription.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |         Err(why) => panic!("{:#?}", 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/subscription.rs:115:67
[INFO] [stdout]     |
[INFO] [stdout] 115 |         Err(why) => panic!("couldn't open {}: {:?}", display, 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/subscription.rs:122:65
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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/subscription.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |         Err(why) => panic!("{:#?}", 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/subscription.rs:115:67
[INFO] [stdout]     |
[INFO] [stdout] 115 |         Err(why) => panic!("couldn't open {}: {:?}", display, 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/subscription.rs:122:65
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Err(why) => panic!("couldn't read {}: {}", display, 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/subscription.rs:205:67
[INFO] [stdout]     |
[INFO] [stdout] 205 |         Err(why) => panic!("couldn't create {}: {}", display, 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/subscription.rs:211:69
[INFO] [stdout]     |
[INFO] [stdout] 211 |         Err(why) => panic!("couldn't write to {}: {}", display, 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/subscription.rs:220:60
[INFO] [stdout]     |
[INFO] [stdout] 220 |         Err(why) => panic!("couldn't remove file: {}", why.description()),
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/subscription.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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/subscription.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |         Err(why) => panic!("{:#?}", 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/subscription.rs:115:67
[INFO] [stdout]     |
[INFO] [stdout] 115 |         Err(why) => panic!("couldn't open {}: {:?}", display, 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/subscription.rs:122:65
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Err(why) => panic!("couldn't read {}: {}", display, 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/subscription.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |         Err(why) => panic!("{:#?}", 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/subscription.rs:115:67
[INFO] [stdout]     |
[INFO] [stdout] 115 |         Err(why) => panic!("couldn't open {}: {:?}", display, 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/subscription.rs:122:65
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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/subscription.rs:205:67
[INFO] [stdout]     |
[INFO] [stdout] 205 |         Err(why) => panic!("couldn't create {}: {}", display, 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/subscription.rs:211:69
[INFO] [stdout]     |
[INFO] [stdout] 211 |         Err(why) => panic!("couldn't write to {}: {}", display, 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/subscription.rs:220:60
[INFO] [stdout]     |
[INFO] [stdout] 220 |         Err(why) => panic!("couldn't remove file: {}", why.description()),
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_config`
[INFO] [stdout]    --> src/config.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn read_config() -> Option<Config> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_config`
[INFO] [stdout]    --> src/config.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn write_config(config: Config) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/subscription.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(url: &str, name: &str, directory: Option<&str>) -> Subscription {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec_serialize`
[INFO] [stdout]   --> src/subscription.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn vec_serialize(subs: &Vec<Subscription>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]   --> src/subscription.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn serialize(sub: &Subscription) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize`
[INFO] [stdout]   --> src/subscription.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn deserialize(sub_vec: &Vec<u8>) -> Option<Subscription> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `process_directory`
[INFO] [stdout]    --> src/subscription.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn process_directory(directory: Option<&str>) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_config`
[INFO] [stdout]    --> src/config.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn read_config() -> Option<Config> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_config`
[INFO] [stdout]    --> src/config.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn write_config(config: Config) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.56s
[INFO] running `Command { std: "docker" "inspect" "b15673a1326857f47bab133042dc54f9db294aedf6ef1425c6416ab71e4ef04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15673a1326857f47bab133042dc54f9db294aedf6ef1425c6416ab71e4ef04d", kill_on_drop: false }`
[INFO] [stdout] b15673a1326857f47bab133042dc54f9db294aedf6ef1425c6416ab71e4ef04d