[INFO] fetching crate Cantor-Pair 0.1.2...
[INFO] checking Cantor-Pair-0.1.2 against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] extracting crate Cantor-Pair 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate Cantor-Pair 0.1.2 on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate Cantor-Pair 0.1.2
[INFO] finished tweaking crates.io crate Cantor-Pair 0.1.2
[INFO] tweaked toml for crates.io crate Cantor-Pair 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 525bcdf128dc3e76adc5fe1529576b7be1c857f72b4cf787ddbacf467906b620
[INFO] running `Command { std: "docker" "start" "-a" "525bcdf128dc3e76adc5fe1529576b7be1c857f72b4cf787ddbacf467906b620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "525bcdf128dc3e76adc5fe1529576b7be1c857f72b4cf787ddbacf467906b620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525bcdf128dc3e76adc5fe1529576b7be1c857f72b4cf787ddbacf467906b620", kill_on_drop: false }`
[INFO] [stdout] 525bcdf128dc3e76adc5fe1529576b7be1c857f72b4cf787ddbacf467906b620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54220b926ba1c29fba849cc631b2d2b3fb137b348f4f49b4ba5e69447715d4d6
[INFO] running `Command { std: "docker" "start" "-a" "54220b926ba1c29fba849cc631b2d2b3fb137b348f4f49b4ba5e69447715d4d6", kill_on_drop: false }`
[INFO] [stderr]     Checking Cantor-Pair v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `cantor_pair` is never used
[INFO] [stdout]  --> src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn cantor_pair(n: &usize, m: &usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cantor_unpair` is never used
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn cantor_unpair(z: &usize) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Cantor_Pair` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `cantor_pair`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "54220b926ba1c29fba849cc631b2d2b3fb137b348f4f49b4ba5e69447715d4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54220b926ba1c29fba849cc631b2d2b3fb137b348f4f49b4ba5e69447715d4d6", kill_on_drop: false }`
[INFO] [stdout] 54220b926ba1c29fba849cc631b2d2b3fb137b348f4f49b4ba5e69447715d4d6
[INFO] checking Cantor-Pair-0.1.2 against try#a2cff3b7a9661c90ec0d581d3f3a69bb97c11138 for pr-121848-3
[INFO] extracting crate Cantor-Pair 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate Cantor-Pair 0.1.2 on toolchain a2cff3b7a9661c90ec0d581d3f3a69bb97c11138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate Cantor-Pair 0.1.2
[INFO] finished tweaking crates.io crate Cantor-Pair 0.1.2
[INFO] tweaked toml for crates.io crate Cantor-Pair 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90ceb2ca16b77028d9366003d790989649d7ce600e0fe02c8de730647a205da5
[INFO] running `Command { std: "docker" "start" "-a" "90ceb2ca16b77028d9366003d790989649d7ce600e0fe02c8de730647a205da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90ceb2ca16b77028d9366003d790989649d7ce600e0fe02c8de730647a205da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ceb2ca16b77028d9366003d790989649d7ce600e0fe02c8de730647a205da5", kill_on_drop: false }`
[INFO] [stdout] 90ceb2ca16b77028d9366003d790989649d7ce600e0fe02c8de730647a205da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 932e356e4bfc1c5fc51de7af3544140abc41f0a0040ac6d938c64a090d0ebdab
[INFO] running `Command { std: "docker" "start" "-a" "932e356e4bfc1c5fc51de7af3544140abc41f0a0040ac6d938c64a090d0ebdab", kill_on_drop: false }`
[INFO] [stderr]     Checking Cantor-Pair v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `cantor_pair` is never used
[INFO] [stdout]  --> src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn cantor_pair(n: &usize, m: &usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cantor_unpair` is never used
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn cantor_unpair(z: &usize) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Cantor_Pair` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `cantor_pair`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "932e356e4bfc1c5fc51de7af3544140abc41f0a0040ac6d938c64a090d0ebdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932e356e4bfc1c5fc51de7af3544140abc41f0a0040ac6d938c64a090d0ebdab", kill_on_drop: false }`
[INFO] [stdout] 932e356e4bfc1c5fc51de7af3544140abc41f0a0040ac6d938c64a090d0ebdab
