[INFO] updating cached repository https://github.com/tarka/dau
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f4cf47abca2093d9eb049adcffb2673e39e7e02
[INFO] checking tarka/dau against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarka%2Fdau" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarka/dau on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tarka/dau
[INFO] finished tweaking git repo https://github.com/tarka/dau
[INFO] tweaked toml for git repo https://github.com/tarka/dau written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tarka/dau already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", 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] 7f64886668ce6c58fa7f1964ad6703a1d148f039053f337cca050e6328875b5f
[INFO] running `Command { std: "docker" "start" "-a" "7f64886668ce6c58fa7f1964ad6703a1d148f039053f337cca050e6328875b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f64886668ce6c58fa7f1964ad6703a1d148f039053f337cca050e6328875b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f64886668ce6c58fa7f1964ad6703a1d148f039053f337cca050e6328875b5f", kill_on_drop: false }`
[INFO] [stdout] 7f64886668ce6c58fa7f1964ad6703a1d148f039053f337cca050e6328875b5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e262f5d95839d0975cd2ef3e1ac86589245501b41142eb2fa49c9d1c42fb6783
[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" "e262f5d95839d0975cd2ef3e1ac86589245501b41142eb2fa49c9d1c42fb6783", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling pam-sys v0.5.6
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling dau v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]     Checking pam v0.7.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stdout] warning: unused variable: `pw`
[INFO] [stdout]  --> src/auth.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let pw = read_password_from_tty(Some("Password: "))?;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_pw`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]  --> src/auth.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn auth_user(opts: &Opts, config: &Config) -> Result<()> {
[INFO] [stdout]   |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/auth.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn auth_user(opts: &Opts, config: &Config) -> Result<()> {
[INFO] [stdout]   |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pw`
[INFO] [stdout]  --> src/auth.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let pw = read_password_from_tty(Some("Password: "))?;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_pw`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]  --> src/auth.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn auth_user(opts: &Opts, config: &Config) -> Result<()> {
[INFO] [stdout]   |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/auth.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn auth_user(opts: &Opts, config: &Config) -> Result<()> {
[INFO] [stdout]   |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "e262f5d95839d0975cd2ef3e1ac86589245501b41142eb2fa49c9d1c42fb6783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e262f5d95839d0975cd2ef3e1ac86589245501b41142eb2fa49c9d1c42fb6783", kill_on_drop: false }`
[INFO] [stdout] e262f5d95839d0975cd2ef3e1ac86589245501b41142eb2fa49c9d1c42fb6783