[INFO] fetching crate solkit 1.0.1... [INFO] checking solkit-1.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate solkit 1.0.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate solkit 1.0.1 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 solkit 1.0.1 [INFO] finished tweaking crates.io crate solkit 1.0.1 [INFO] tweaked toml for crates.io crate solkit 1.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate solkit 1.0.1 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mio v0.7.7 [INFO] [stderr] Downloaded signal-hook-registry v1.3.0 [INFO] [stderr] Downloaded nanorand v0.4.4 [INFO] [stderr] Downloaded dirs-sys v0.3.5 [INFO] [stderr] Downloaded lock_api v0.4.2 [INFO] [stderr] Downloaded thiserror-impl v1.0.23 [INFO] [stderr] Downloaded thiserror v1.0.23 [INFO] [stderr] Downloaded crossterm_winapi v0.6.2 [INFO] [stderr] Downloaded anyhow v1.0.37 [INFO] [stderr] Downloaded parking_lot_core v0.8.2 [INFO] [stderr] Downloaded crossterm v0.18.2 [INFO] [stderr] Downloaded simplelog v0.7.6 [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] f185094a0e4efbaeb4ba5602509ca325a834c489915b8789d4c2a9166e072dea [INFO] running `Command { std: "docker" "start" "-a" "f185094a0e4efbaeb4ba5602509ca325a834c489915b8789d4c2a9166e072dea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f185094a0e4efbaeb4ba5602509ca325a834c489915b8789d4c2a9166e072dea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f185094a0e4efbaeb4ba5602509ca325a834c489915b8789d4c2a9166e072dea", kill_on_drop: false }` [INFO] [stdout] f185094a0e4efbaeb4ba5602509ca325a834c489915b8789d4c2a9166e072dea [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] 1c403bc45a508c0581673a61f099bb7780c949651dc127c29196d27be8ab7305 [INFO] running `Command { std: "docker" "start" "-a" "1c403bc45a508c0581673a61f099bb7780c949651dc127c29196d27be8ab7305", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling anyhow v1.0.37 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking nanorand v0.4.4 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking simplelog v0.7.6 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking solkit v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/engine.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/engine.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Color` is imported redundantly [INFO] [stdout] --> src/bin/solkit/buffer.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 158 | use super::*; [INFO] [stdout] | -------- the item `Color` is already imported here [INFO] [stdout] 159 | use crossterm::style::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/bin/solkit/stats.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 116 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] 117 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.21s [INFO] running `Command { std: "docker" "inspect" "1c403bc45a508c0581673a61f099bb7780c949651dc127c29196d27be8ab7305", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c403bc45a508c0581673a61f099bb7780c949651dc127c29196d27be8ab7305", kill_on_drop: false }` [INFO] [stdout] 1c403bc45a508c0581673a61f099bb7780c949651dc127c29196d27be8ab7305 [INFO] checking solkit-1.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate solkit 1.0.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate solkit 1.0.1 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 solkit 1.0.1 [INFO] finished tweaking crates.io crate solkit 1.0.1 [INFO] tweaked toml for crates.io crate solkit 1.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate solkit 1.0.1 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] 0d1064b0ce7ba9dfabf52e2eeec06e3ddc8c2fd3dd208188cee56c169c89e58c [INFO] running `Command { std: "docker" "start" "-a" "0d1064b0ce7ba9dfabf52e2eeec06e3ddc8c2fd3dd208188cee56c169c89e58c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d1064b0ce7ba9dfabf52e2eeec06e3ddc8c2fd3dd208188cee56c169c89e58c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d1064b0ce7ba9dfabf52e2eeec06e3ddc8c2fd3dd208188cee56c169c89e58c", kill_on_drop: false }` [INFO] [stdout] 0d1064b0ce7ba9dfabf52e2eeec06e3ddc8c2fd3dd208188cee56c169c89e58c [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] 4d402983296450d956f37c19f4d0a7fca5f512fc956eac1e5e09e6140bcbf400 [INFO] running `Command { std: "docker" "start" "-a" "4d402983296450d956f37c19f4d0a7fca5f512fc956eac1e5e09e6140bcbf400", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling anyhow v1.0.37 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking nanorand v0.4.4 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking simplelog v0.7.6 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking solkit v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/engine.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/engine.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Color` is imported redundantly [INFO] [stdout] --> src/bin/solkit/buffer.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 158 | use super::*; [INFO] [stdout] | -------- the item `Color` is already imported here [INFO] [stdout] 159 | use crossterm::style::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/bin/solkit/stats.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 116 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] 117 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.16s [INFO] running `Command { std: "docker" "inspect" "4d402983296450d956f37c19f4d0a7fca5f512fc956eac1e5e09e6140bcbf400", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d402983296450d956f37c19f4d0a7fca5f512fc956eac1e5e09e6140bcbf400", kill_on_drop: false }` [INFO] [stdout] 4d402983296450d956f37c19f4d0a7fca5f512fc956eac1e5e09e6140bcbf400