[INFO] fetching crate oxide-auth 0.5.0-preview.0...
[INFO] checking oxide-auth-0.5.0-preview.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate oxide-auth 0.5.0-preview.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate oxide-auth 0.5.0-preview.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oxide-auth 0.5.0-preview.0
[INFO] finished tweaking crates.io crate oxide-auth 0.5.0-preview.0
[INFO] tweaked toml for crates.io crate oxide-auth 0.5.0-preview.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cf34f4deebffbf7e9b0b0b3be95c80d0f9182f9384b649f838648e8a780a740
[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" "2cf34f4deebffbf7e9b0b0b3be95c80d0f9182f9384b649f838648e8a780a740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cf34f4deebffbf7e9b0b0b3be95c80d0f9182f9384b649f838648e8a780a740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf34f4deebffbf7e9b0b0b3be95c80d0f9182f9384b649f838648e8a780a740", kill_on_drop: false }`
[INFO] [stdout] 2cf34f4deebffbf7e9b0b0b3be95c80d0f9182f9384b649f838648e8a780a740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbc152e0e5eaceff96545e16f671f65dbf2620527c84e04142469383a18d1be1
[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" "dbc152e0e5eaceff96545e16f671f65dbf2620527c84e04142469383a18d1be1", kill_on_drop: false }`
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking oxide-auth v0.5.0-preview.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/code_grant/accesstoken.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         replace(self, next);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Err`
[INFO] [stdout]   --> src/endpoint/tests/mod.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Err(OAuthError),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/code_grant/accesstoken.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         replace(self, next);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.87s
[INFO] running `Command { std: "docker" "inspect" "dbc152e0e5eaceff96545e16f671f65dbf2620527c84e04142469383a18d1be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc152e0e5eaceff96545e16f671f65dbf2620527c84e04142469383a18d1be1", kill_on_drop: false }`
[INFO] [stdout] dbc152e0e5eaceff96545e16f671f65dbf2620527c84e04142469383a18d1be1