[INFO] fetching crate postmill 0.2.7...
[INFO] checking postmill-0.2.7 against beta for pr-78714
[INFO] extracting crate postmill 0.2.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate postmill 0.2.7 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postmill 0.2.7
[INFO] finished tweaking crates.io crate postmill 0.2.7
[INFO] tweaked toml for crates.io crate postmill 0.2.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54be2bb4639969a10946dc40c039fe7d5a75a7eb85c63153284d191ed196ae2b
[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" "54be2bb4639969a10946dc40c039fe7d5a75a7eb85c63153284d191ed196ae2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54be2bb4639969a10946dc40c039fe7d5a75a7eb85c63153284d191ed196ae2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54be2bb4639969a10946dc40c039fe7d5a75a7eb85c63153284d191ed196ae2b", kill_on_drop: false }`
[INFO] [stdout] 54be2bb4639969a10946dc40c039fe7d5a75a7eb85c63153284d191ed196ae2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 3e28bd44a8d66385420fd5c1e606ce75ccb3ed37d96697f46117da1533a64b32
[INFO] running `Command { std: "docker" "start" "-a" "3e28bd44a8d66385420fd5c1e606ce75ccb3ed37d96697f46117da1533a64b32", 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]     Checking cookie v0.11.3
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking string_cache v0.7.5
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking postmill v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:90:54
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn new(root_url: &str) -> Result<Client, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn 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/lib.rs:105:57
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn forums(&mut self) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]     |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:114:91
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn submissions_from_page(&mut self, url: &str) -> Result<Vec<SubmissionInfo>, Box<Error>> {
[INFO] [stdout]     |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:149:126
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn submissions_from_page_until(&mut self, url: &str, date: DateTime<FixedOffset>) -> Result<Vec<SubmissionInfo>, Box<Error>> {
[INFO] [stdout]     |                                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:230:87
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn submission_urls_from_page(&mut self, url: &str) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]     |                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:242:99
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn comments_until(&mut self, date: DateTime<FixedOffset>) -> Result<Vec<CommentInfo>, Box<Error>> {
[INFO] [stdout]     |                                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:350:79
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn login(&mut self, username: &str, password: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:108
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn reply_comment(&mut self, submission_id: u64, comment_id: u64, comment: &str) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:430:90
[INFO] [stdout]     |
[INFO] [stdout] 430 |     pub fn comment_post(&mut self, submission_id: u64, comment: &str) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:479:103
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn submit_post(&mut self, forum: &str, url: &str, title: &str, body: &str) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:132
[INFO] [stdout]     |
[INFO] [stdout] 527 |     pub fn edit_post(&mut self, submission_id: u64, url: Option<&str>, title: Option<&str>, body: Option<&str>) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:601:74
[INFO] [stdout]     |
[INFO] [stdout] 601 |     fn get_full_url(&mut self, submission_id: u64) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:90:54
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn new(root_url: &str) -> Result<Client, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn 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/lib.rs:105:57
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn forums(&mut self) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]     |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:114:91
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn submissions_from_page(&mut self, url: &str) -> Result<Vec<SubmissionInfo>, Box<Error>> {
[INFO] [stdout]     |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:149:126
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn submissions_from_page_until(&mut self, url: &str, date: DateTime<FixedOffset>) -> Result<Vec<SubmissionInfo>, Box<Error>> {
[INFO] [stdout]     |                                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:230:87
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn submission_urls_from_page(&mut self, url: &str) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]     |                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:242:99
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn comments_until(&mut self, date: DateTime<FixedOffset>) -> Result<Vec<CommentInfo>, Box<Error>> {
[INFO] [stdout]     |                                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:350:79
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn login(&mut self, username: &str, password: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:108
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn reply_comment(&mut self, submission_id: u64, comment_id: u64, comment: &str) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:430:90
[INFO] [stdout]     |
[INFO] [stdout] 430 |     pub fn comment_post(&mut self, submission_id: u64, comment: &str) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:479:103
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn submit_post(&mut self, forum: &str, url: &str, title: &str, body: &str) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:132
[INFO] [stdout]     |
[INFO] [stdout] 527 |     pub fn edit_post(&mut self, submission_id: u64, url: Option<&str>, title: Option<&str>, body: Option<&str>) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:601:74
[INFO] [stdout]     |
[INFO] [stdout] 601 |     fn get_full_url(&mut self, submission_id: u64) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.00s
[INFO] running `Command { std: "docker" "inspect" "3e28bd44a8d66385420fd5c1e606ce75ccb3ed37d96697f46117da1533a64b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e28bd44a8d66385420fd5c1e606ce75ccb3ed37d96697f46117da1533a64b32", kill_on_drop: false }`
[INFO] [stdout] 3e28bd44a8d66385420fd5c1e606ce75ccb3ed37d96697f46117da1533a64b32