[INFO] cloning repository https://github.com/zakhenry/rs-redux [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zakhenry/rs-redux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakhenry%2Frs-redux", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakhenry%2Frs-redux'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ee357d64f82d1bf3ec6bf70da7ff30f75b079014 [INFO] checking zakhenry/rs-redux against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakhenry%2Frs-redux" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zakhenry/rs-redux 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/zakhenry/rs-redux [INFO] finished tweaking git repo https://github.com/zakhenry/rs-redux [INFO] tweaked toml for git repo https://github.com/zakhenry/rs-redux written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zakhenry/rs-redux 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] da56871dd637dcd124451465a0082a0b54fdde008582f4e8157aa3b3dbc97d51 [INFO] running `Command { std: "docker" "start" "-a" "da56871dd637dcd124451465a0082a0b54fdde008582f4e8157aa3b3dbc97d51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da56871dd637dcd124451465a0082a0b54fdde008582f4e8157aa3b3dbc97d51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da56871dd637dcd124451465a0082a0b54fdde008582f4e8157aa3b3dbc97d51", kill_on_drop: false }` [INFO] [stdout] da56871dd637dcd124451465a0082a0b54fdde008582f4e8157aa3b3dbc97d51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1fab8aece8e7e659352f1a2fbde36c9e065fd2307bd40bb1540b6227ef85d4db [INFO] running `Command { std: "docker" "start" "-a" "1fab8aece8e7e659352f1a2fbde36c9e065fd2307bd40bb1540b6227ef85d4db", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking bytes v0.5.2 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Checking tokio v0.2.4 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking rs-redux v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | let mut todo = new_state.todos.entities.get_mut(id).expect("Cannot mark missing todo as done"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:216:17 [INFO] [stdout] | [INFO] [stdout] 216 | let mut todo = new_state.todos.entities.get_mut(id).expect("Cannot update text of missing todo"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | let mut todo = new_state.todos.entities.get_mut(id).expect("Cannot mark missing todo as done"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:216:17 [INFO] [stdout] | [INFO] [stdout] 216 | let mut todo = new_state.todos.entities.get_mut(id).expect("Cannot update text of missing todo"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.32s [INFO] running `Command { std: "docker" "inspect" "1fab8aece8e7e659352f1a2fbde36c9e065fd2307bd40bb1540b6227ef85d4db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fab8aece8e7e659352f1a2fbde36c9e065fd2307bd40bb1540b6227ef85d4db", kill_on_drop: false }` [INFO] [stdout] 1fab8aece8e7e659352f1a2fbde36c9e065fd2307bd40bb1540b6227ef85d4db [INFO] checking zakhenry/rs-redux against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakhenry%2Frs-redux" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zakhenry/rs-redux 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/zakhenry/rs-redux [INFO] finished tweaking git repo https://github.com/zakhenry/rs-redux [INFO] tweaked toml for git repo https://github.com/zakhenry/rs-redux written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zakhenry/rs-redux 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 83065c2a437a0c2da1e7e65c8707b5ca5583963a1a9bca7bf7f92e9aa492c0e7 [INFO] running `Command { std: "docker" "start" "-a" "83065c2a437a0c2da1e7e65c8707b5ca5583963a1a9bca7bf7f92e9aa492c0e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83065c2a437a0c2da1e7e65c8707b5ca5583963a1a9bca7bf7f92e9aa492c0e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83065c2a437a0c2da1e7e65c8707b5ca5583963a1a9bca7bf7f92e9aa492c0e7", kill_on_drop: false }` [INFO] [stdout] 83065c2a437a0c2da1e7e65c8707b5ca5583963a1a9bca7bf7f92e9aa492c0e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ec9749d918928a9864710a68f591e6e3ff1426d01ad8379c72e2b0135c829c32 [INFO] running `Command { std: "docker" "start" "-a" "ec9749d918928a9864710a68f591e6e3ff1426d01ad8379c72e2b0135c829c32", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking bytes v0.5.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Checking tokio v0.2.4 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking rs-redux v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | let mut todo = new_state.todos.entities.get_mut(id).expect("Cannot mark missing todo as done"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:216:17 [INFO] [stdout] | [INFO] [stdout] 216 | let mut todo = new_state.todos.entities.get_mut(id).expect("Cannot update text of missing todo"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | let mut todo = new_state.todos.entities.get_mut(id).expect("Cannot mark missing todo as done"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:216:17 [INFO] [stdout] | [INFO] [stdout] 216 | let mut todo = new_state.todos.entities.get_mut(id).expect("Cannot update text of missing todo"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.12s [INFO] running `Command { std: "docker" "inspect" "ec9749d918928a9864710a68f591e6e3ff1426d01ad8379c72e2b0135c829c32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec9749d918928a9864710a68f591e6e3ff1426d01ad8379c72e2b0135c829c32", kill_on_drop: false }` [INFO] [stdout] ec9749d918928a9864710a68f591e6e3ff1426d01ad8379c72e2b0135c829c32