[INFO] fetching crate tv_lib 0.1.2...
[INFO] checking tv_lib-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tv_lib 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tv_lib 0.1.2 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 crates.io crate tv_lib 0.1.2
[INFO] finished tweaking crates.io crate tv_lib 0.1.2
[INFO] tweaked toml for crates.io crate tv_lib 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate tv_lib 0.1.2 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
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded calmio_filters v0.1.0
[INFO] [stderr]   Downloaded unicode-truncate v0.2.0
[INFO] [stderr]   Downloaded owo-colors v3.2.0
[INFO] [stderr]   Downloaded calm_io v0.1.1
[INFO] [stderr]   Downloaded crossterm v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 73e5447f6d04f3388d3e5a8d3f5fa6dbd67317f7c2e2fb0f42af1fac30f38461
[INFO] running `Command { std: "docker" "start" "-a" "73e5447f6d04f3388d3e5a8d3f5fa6dbd67317f7c2e2fb0f42af1fac30f38461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73e5447f6d04f3388d3e5a8d3f5fa6dbd67317f7c2e2fb0f42af1fac30f38461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e5447f6d04f3388d3e5a8d3f5fa6dbd67317f7c2e2fb0f42af1fac30f38461", kill_on_drop: false }`
[INFO] [stdout] 73e5447f6d04f3388d3e5a8d3f5fa6dbd67317f7c2e2fb0f42af1fac30f38461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0df6088350f1e0b3bf2fbdaaabd4cfedd97c6d5531d4c68b1db0038cb66302c2
[INFO] running `Command { std: "docker" "start" "-a" "0df6088350f1e0b3bf2fbdaaabd4cfedd97c6d5531d4c68b1db0038cb66302c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-truncate v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking owo-colors v3.2.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.23.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling calmio_filters v0.1.0
[INFO] [stderr]     Checking calm_io v0.1.1
[INFO] [stderr]     Checking tv_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:233:44
[INFO] [stdout]     |
[INFO] [stdout] 233 |         if !format_csv::is_na(&title_option.clone()) {
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:505:45
[INFO] [stdout]     |
[INFO] [stdout] 505 |         if !format_csv::is_na(&footer_option.clone()) {
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:233:44
[INFO] [stdout]     |
[INFO] [stdout] 233 |         if !format_csv::is_na(&title_option.clone()) {
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:505:45
[INFO] [stdout]     |
[INFO] [stdout] 505 |         if !format_csv::is_na(&footer_option.clone()) {
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "0df6088350f1e0b3bf2fbdaaabd4cfedd97c6d5531d4c68b1db0038cb66302c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df6088350f1e0b3bf2fbdaaabd4cfedd97c6d5531d4c68b1db0038cb66302c2", kill_on_drop: false }`
[INFO] [stdout] 0df6088350f1e0b3bf2fbdaaabd4cfedd97c6d5531d4c68b1db0038cb66302c2
[INFO] checking tv_lib-0.1.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tv_lib 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tv_lib 0.1.2 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 crates.io crate tv_lib 0.1.2
[INFO] finished tweaking crates.io crate tv_lib 0.1.2
[INFO] tweaked toml for crates.io crate tv_lib 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate tv_lib 0.1.2 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5832fdb3efd54f07bb5f99b4e5793a75e5790ec1c6c672205e0de5f1a65ce660
[INFO] running `Command { std: "docker" "start" "-a" "5832fdb3efd54f07bb5f99b4e5793a75e5790ec1c6c672205e0de5f1a65ce660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5832fdb3efd54f07bb5f99b4e5793a75e5790ec1c6c672205e0de5f1a65ce660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5832fdb3efd54f07bb5f99b4e5793a75e5790ec1c6c672205e0de5f1a65ce660", kill_on_drop: false }`
[INFO] [stdout] 5832fdb3efd54f07bb5f99b4e5793a75e5790ec1c6c672205e0de5f1a65ce660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e0eb60d07903403eac0bc76cd1a7658a290fb10a2dc056042c96b57e8ce31452
[INFO] running `Command { std: "docker" "start" "-a" "e0eb60d07903403eac0bc76cd1a7658a290fb10a2dc056042c96b57e8ce31452", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking owo-colors v3.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-truncate v0.2.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.23.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling calmio_filters v0.1.0
[INFO] [stderr]     Checking calm_io v0.1.1
[INFO] [stderr]     Checking tv_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:233:44
[INFO] [stdout]     |
[INFO] [stdout] 233 |         if !format_csv::is_na(&title_option.clone()) {
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:505:45
[INFO] [stdout]     |
[INFO] [stdout] 505 |         if !format_csv::is_na(&footer_option.clone()) {
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:233:44
[INFO] [stdout]     |
[INFO] [stdout] 233 |         if !format_csv::is_na(&title_option.clone()) {
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:505:45
[INFO] [stdout]     |
[INFO] [stdout] 505 |         if !format_csv::is_na(&footer_option.clone()) {
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "e0eb60d07903403eac0bc76cd1a7658a290fb10a2dc056042c96b57e8ce31452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0eb60d07903403eac0bc76cd1a7658a290fb10a2dc056042c96b57e8ce31452", kill_on_drop: false }`
[INFO] [stdout] e0eb60d07903403eac0bc76cd1a7658a290fb10a2dc056042c96b57e8ce31452