[INFO] cloning repository https://github.com/noelzubin/revise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noelzubin/revise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoelzubin%2Frevise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoelzubin%2Frevise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f372e15843c43a69477ce4c373ee09e29d94b8d
[INFO] checking noelzubin/revise against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoelzubin%2Frevise" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noelzubin/revise on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noelzubin/revise
[INFO] finished tweaking git repo https://github.com/noelzubin/revise
[INFO] tweaked toml for git repo https://github.com/noelzubin/revise written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/noelzubin/revise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 141c4ad7a93d04481989a6046e3261f8f7f16b3878b287b17c4fe8d245223b18
[INFO] running `Command { std: "docker" "start" "-a" "141c4ad7a93d04481989a6046e3261f8f7f16b3878b287b17c4fe8d245223b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "141c4ad7a93d04481989a6046e3261f8f7f16b3878b287b17c4fe8d245223b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141c4ad7a93d04481989a6046e3261f8f7f16b3878b287b17c4fe8d245223b18", kill_on_drop: false }`
[INFO] [stdout] 141c4ad7a93d04481989a6046e3261f8f7f16b3878b287b17c4fe8d245223b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16cf78cdedcf8f97c0f121372e3dc7db05b8c2fbc5681192f64288eb32ef13c7
[INFO] running `Command { std: "docker" "start" "-a" "16cf78cdedcf8f97c0f121372e3dc7db05b8c2fbc5681192f64288eb32ef13c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling syn v1.0.73
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[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]    Compiling cc v1.0.83
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[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.27.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]    Compiling derive-new v0.5.9
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[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking sanitize-filename v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
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[INFO] [stderr]    Compiling strum_macros v0.25.3
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[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking faster-hex v0.8.1
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[INFO] [stderr]     Checking rmp-serde v1.1.2
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[INFO] [stderr]     Checking gix-features v0.33.0
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[INFO] [stderr]     Checking burn-tensor v0.11.1
[INFO] [stderr]     Checking burn-autodiff v0.11.1
[INFO] [stderr]     Checking rusqlite v0.30.0
[INFO] [stderr]     Checking r2d2_sqlite v0.23.0
[INFO] [stderr]     Checking serde_rusqlite v0.34.0
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]     Checking burn-dataset v0.11.1
[INFO] [stderr]     Checking burn-core v0.11.1
[INFO] [stderr]     Checking burn-train v0.11.1
[INFO] [stderr]     Checking burn v0.11.1
[INFO] [stderr]     Checking fsrs v0.4.1
[INFO] [stderr]     Checking revise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Date`
[INFO] [stdout]  --> src/store.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{Date, DateTime, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Date`
[INFO] [stdout]  --> src/store.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{Date, DateTime, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `created_at` is never read
[INFO] [stdout]    --> src/conductor.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub struct Deck {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub created_at: DateTime<Utc>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Deck` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/conductor.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct Review {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 198 |     pub id: ID,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `created_at` is never read
[INFO] [stdout]    --> src/conductor.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub struct Deck {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub created_at: DateTime<Utc>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Deck` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/conductor.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct Review {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 198 |     pub id: ID,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.72s
[INFO] running `Command { std: "docker" "inspect" "16cf78cdedcf8f97c0f121372e3dc7db05b8c2fbc5681192f64288eb32ef13c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cf78cdedcf8f97c0f121372e3dc7db05b8c2fbc5681192f64288eb32ef13c7", kill_on_drop: false }`
[INFO] [stdout] 16cf78cdedcf8f97c0f121372e3dc7db05b8c2fbc5681192f64288eb32ef13c7
[INFO] checking noelzubin/revise against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoelzubin%2Frevise" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noelzubin/revise on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noelzubin/revise
[INFO] finished tweaking git repo https://github.com/noelzubin/revise
[INFO] tweaked toml for git repo https://github.com/noelzubin/revise written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/noelzubin/revise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 198c06315b2e796298cef0ba31635f0fac908b72f4112c419c7a246cf8a42d25
[INFO] running `Command { std: "docker" "start" "-a" "198c06315b2e796298cef0ba31635f0fac908b72f4112c419c7a246cf8a42d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "198c06315b2e796298cef0ba31635f0fac908b72f4112c419c7a246cf8a42d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198c06315b2e796298cef0ba31635f0fac908b72f4112c419c7a246cf8a42d25", kill_on_drop: false }`
[INFO] [stdout] 198c06315b2e796298cef0ba31635f0fac908b72f4112c419c7a246cf8a42d25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0169ba300c3189943c02c1277a46503480989323b857e032a1bb77a8e7b38970
[INFO] running `Command { std: "docker" "start" "-a" "0169ba300c3189943c02c1277a46503480989323b857e032a1bb77a8e7b38970", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
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[INFO] [stdout] warning: unused import: `Date`
[INFO] [stdout]  --> src/store.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{Date, DateTime, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Date`
[INFO] [stdout]  --> src/store.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{Date, DateTime, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `created_at` is never read
[INFO] [stdout]    --> src/conductor.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub struct Deck {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub created_at: DateTime<Utc>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Deck` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/conductor.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct Review {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 198 |     pub id: ID,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `created_at` is never read
[INFO] [stdout]    --> src/conductor.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub struct Deck {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub created_at: DateTime<Utc>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Deck` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/conductor.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct Review {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 198 |     pub id: ID,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.39s
[INFO] running `Command { std: "docker" "inspect" "0169ba300c3189943c02c1277a46503480989323b857e032a1bb77a8e7b38970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0169ba300c3189943c02c1277a46503480989323b857e032a1bb77a8e7b38970", kill_on_drop: false }`
[INFO] [stdout] 0169ba300c3189943c02c1277a46503480989323b857e032a1bb77a8e7b38970