[INFO] cloning repository https://github.com/phyber/tweetdelete-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phyber/tweetdelete-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphyber%2Ftweetdelete-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphyber%2Ftweetdelete-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39767646f77c57eef46279d1d96d45454dadaf70
[INFO] checking phyber/tweetdelete-rs against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphyber%2Ftweetdelete-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phyber/tweetdelete-rs on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phyber/tweetdelete-rs
[INFO] finished tweaking git repo https://github.com/phyber/tweetdelete-rs
[INFO] tweaked toml for git repo https://github.com/phyber/tweetdelete-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/phyber/tweetdelete-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v1.0.1
[INFO] [stderr]   Downloaded pin-project v1.0.1
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded rustls-native-certs v0.3.0
[INFO] [stderr]   Downloaded tinyvec v1.0.1
[INFO] [stderr]   Downloaded subtle v2.3.0
[INFO] [stderr]   Downloaded socket2 v0.3.16
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded serde_yaml v0.8.14
[INFO] [stderr]   Downloaded tokio v0.2.23
[INFO] [stderr]   Downloaded thiserror-impl v1.0.22
[INFO] [stderr]   Downloaded cc v1.0.62
[INFO] [stderr]   Downloaded egg-mode v0.15.0
[INFO] [stderr]   Downloaded shellexpand v2.0.0
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] [stderr]   Downloaded ring v0.16.16
[INFO] [stderr]   Downloaded termcolor v1.1.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b32ed26bc797811156bd2c624cb20ed1c8eb429e385e63477d2e8b18a23f391
[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" "1b32ed26bc797811156bd2c624cb20ed1c8eb429e385e63477d2e8b18a23f391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b32ed26bc797811156bd2c624cb20ed1c8eb429e385e63477d2e8b18a23f391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b32ed26bc797811156bd2c624cb20ed1c8eb429e385e63477d2e8b18a23f391", kill_on_drop: false }`
[INFO] [stdout] 1b32ed26bc797811156bd2c624cb20ed1c8eb429e385e63477d2e8b18a23f391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb99616bb04a28de8b0847e2718708f62d8cea72d677622bd427a39e66b7beec
[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" "fb99616bb04a28de8b0847e2718708f62d8cea72d677622bd427a39e66b7beec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking openssl-probe v0.1.2
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[INFO] [stderr]    Compiling generic-array v0.14.4
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[INFO] [stderr]     Checking tracing-core v0.1.17
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[INFO] [stderr]     Checking futures-task v0.3.8
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[INFO] [stderr]    Compiling indexmap v1.6.0
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[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling ring v0.16.16
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[INFO] [stderr]     Checking iovec v0.1.4
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[INFO] [stderr]     Checking time v0.1.44
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking egg-mode v0.15.0
[INFO] [stderr]     Checking tweetdelete v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `log_file`
[INFO] [stdout]    --> src/config.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn log_file(&self) -> &Option<String> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `log_file`
[INFO] [stdout]    --> src/config.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn log_file(&self) -> &Option<String> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.10s
[INFO] running `Command { std: "docker" "inspect" "fb99616bb04a28de8b0847e2718708f62d8cea72d677622bd427a39e66b7beec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb99616bb04a28de8b0847e2718708f62d8cea72d677622bd427a39e66b7beec", kill_on_drop: false }`
[INFO] [stdout] fb99616bb04a28de8b0847e2718708f62d8cea72d677622bd427a39e66b7beec