[INFO] fetching crate todocommander 0.2.1... [INFO] checking todocommander-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate todocommander 0.2.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate todocommander 0.2.1 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 todocommander 0.2.1 [INFO] finished tweaking crates.io crate todocommander 0.2.1 [INFO] tweaked toml for crates.io crate todocommander 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate todocommander 0.2.1 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] Downloading crates ... [INFO] [stderr] Downloaded directories v3.0.1 [INFO] [stderr] Downloaded dirs-sys v0.3.5 [INFO] [stderr] Downloaded rust-argon2 v0.8.2 [INFO] [stderr] Downloaded chrono v0.4.15 [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] 47ac1502ee15dc0d24e571c9e853ef8965af5d20f791c92717989d6dfb188f48 [INFO] running `Command { std: "docker" "start" "-a" "47ac1502ee15dc0d24e571c9e853ef8965af5d20f791c92717989d6dfb188f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47ac1502ee15dc0d24e571c9e853ef8965af5d20f791c92717989d6dfb188f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47ac1502ee15dc0d24e571c9e853ef8965af5d20f791c92717989d6dfb188f48", kill_on_drop: false }` [INFO] [stdout] 47ac1502ee15dc0d24e571c9e853ef8965af5d20f791c92717989d6dfb188f48 [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] 9186a44669cde10c0b6133e23838292550b893c7c39e27a1729c0121c184dc30 [INFO] running `Command { std: "docker" "start" "-a" "9186a44669cde10c0b6133e23838292550b893c7c39e27a1729c0121c184dc30", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking directories v3.0.1 [INFO] [stderr] Checking chrono v0.4.15 [INFO] [stderr] Checking todocommander v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `message` is never read [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Error { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 13 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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 `help_message` is never read [INFO] [stdout] --> src/config/mod.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct ArgumentDef { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 39 | pub help_message: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ArgumentDef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/config/mod.rs:84:27 [INFO] [stdout] | [INFO] [stdout] 84 | CannotIdentifyCommand(Vec), [INFO] [stdout] | --------------------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 84 | CannotIdentifyCommand(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/tests.rs:13:67 [INFO] [stdout] | [INFO] [stdout] 13 | assert!(matches!(config, Config { todo_filename: Option::Some(v), ..})) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `message` is never read [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Error { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 13 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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 `help_message` is never read [INFO] [stdout] --> src/config/mod.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct ArgumentDef { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 39 | pub help_message: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ArgumentDef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/config/mod.rs:84:27 [INFO] [stdout] | [INFO] [stdout] 84 | CannotIdentifyCommand(Vec), [INFO] [stdout] | --------------------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 84 | CannotIdentifyCommand(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.94s [INFO] running `Command { std: "docker" "inspect" "9186a44669cde10c0b6133e23838292550b893c7c39e27a1729c0121c184dc30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9186a44669cde10c0b6133e23838292550b893c7c39e27a1729c0121c184dc30", kill_on_drop: false }` [INFO] [stdout] 9186a44669cde10c0b6133e23838292550b893c7c39e27a1729c0121c184dc30 [INFO] checking todocommander-0.2.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate todocommander 0.2.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate todocommander 0.2.1 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 todocommander 0.2.1 [INFO] finished tweaking crates.io crate todocommander 0.2.1 [INFO] tweaked toml for crates.io crate todocommander 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate todocommander 0.2.1 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] 21c6fda9a5bc7fa48c0ba228743d18c62ac796903fc52d3d68bc82ad72d69113 [INFO] running `Command { std: "docker" "start" "-a" "21c6fda9a5bc7fa48c0ba228743d18c62ac796903fc52d3d68bc82ad72d69113", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21c6fda9a5bc7fa48c0ba228743d18c62ac796903fc52d3d68bc82ad72d69113", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21c6fda9a5bc7fa48c0ba228743d18c62ac796903fc52d3d68bc82ad72d69113", kill_on_drop: false }` [INFO] [stdout] 21c6fda9a5bc7fa48c0ba228743d18c62ac796903fc52d3d68bc82ad72d69113 [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] 1cec5e446031c8fd395185a4017ea55cb4b209ba45fc9df7cff049d530f053dd [INFO] running `Command { std: "docker" "start" "-a" "1cec5e446031c8fd395185a4017ea55cb4b209ba45fc9df7cff049d530f053dd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking directories v3.0.1 [INFO] [stderr] Checking chrono v0.4.15 [INFO] [stderr] Checking todocommander v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `message` is never read [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Error { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 13 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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 `help_message` is never read [INFO] [stdout] --> src/config/mod.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct ArgumentDef { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 39 | pub help_message: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ArgumentDef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/config/mod.rs:84:27 [INFO] [stdout] | [INFO] [stdout] 84 | CannotIdentifyCommand(Vec), [INFO] [stdout] | --------------------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 84 | CannotIdentifyCommand(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/tests.rs:13:67 [INFO] [stdout] | [INFO] [stdout] 13 | assert!(matches!(config, Config { todo_filename: Option::Some(v), ..})) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `message` is never read [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Error { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 13 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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 `help_message` is never read [INFO] [stdout] --> src/config/mod.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct ArgumentDef { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 39 | pub help_message: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ArgumentDef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/config/mod.rs:84:27 [INFO] [stdout] | [INFO] [stdout] 84 | CannotIdentifyCommand(Vec), [INFO] [stdout] | --------------------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 84 | CannotIdentifyCommand(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s [INFO] running `Command { std: "docker" "inspect" "1cec5e446031c8fd395185a4017ea55cb4b209ba45fc9df7cff049d530f053dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cec5e446031c8fd395185a4017ea55cb4b209ba45fc9df7cff049d530f053dd", kill_on_drop: false }` [INFO] [stdout] 1cec5e446031c8fd395185a4017ea55cb4b209ba45fc9df7cff049d530f053dd