[INFO] fetching crate closure_manager 0.1.0... [INFO] checking closure_manager-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate closure_manager 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate closure_manager 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate closure_manager 0.1.0 [INFO] tweaked toml for crates.io crate closure_manager 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate closure_manager 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e0134d60d32d380fc0dbcecef20f0eeeb323f6aa76cfed738df20cd1a0a7f17 [INFO] running `Command { std: "docker" "start" "-a" "6e0134d60d32d380fc0dbcecef20f0eeeb323f6aa76cfed738df20cd1a0a7f17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e0134d60d32d380fc0dbcecef20f0eeeb323f6aa76cfed738df20cd1a0a7f17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e0134d60d32d380fc0dbcecef20f0eeeb323f6aa76cfed738df20cd1a0a7f17", kill_on_drop: false }` [INFO] [stdout] 6e0134d60d32d380fc0dbcecef20f0eeeb323f6aa76cfed738df20cd1a0a7f17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a20e4c4d0358dd7bd43394fcd695c19fb3266b4959d2fef644362d74ae1b0a4 [INFO] running `Command { std: "docker" "start" "-a" "0a20e4c4d0358dd7bd43394fcd695c19fb3266b4959d2fef644362d74ae1b0a4", kill_on_drop: false }` [INFO] [stderr] Checking closure_manager v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> tests.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> tests.rs:7:49 [INFO] [stdout] | [INFO] [stdout] 7 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> tests.rs:7:55 [INFO] [stdout] | [INFO] [stdout] 7 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id1` [INFO] [stdout] --> tests.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let id1 = list.add(slot_01); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_id1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> tests.rs:15:49 [INFO] [stdout] | [INFO] [stdout] 15 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> tests.rs:15:55 [INFO] [stdout] | [INFO] [stdout] 15 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> tests.rs:16:49 [INFO] [stdout] | [INFO] [stdout] 16 | let mut slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> tests.rs:16:60 [INFO] [stdout] | [INFO] [stdout] 16 | let mut slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> tests.rs:26:49 [INFO] [stdout] | [INFO] [stdout] 26 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> tests.rs:26:55 [INFO] [stdout] | [INFO] [stdout] 26 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> tests.rs:27:45 [INFO] [stdout] | [INFO] [stdout] 27 | let slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> tests.rs:27:56 [INFO] [stdout] | [INFO] [stdout] 27 | let slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id1` [INFO] [stdout] --> tests.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let id1 = list.add(slot_01); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_id1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> tests.rs:36:49 [INFO] [stdout] | [INFO] [stdout] 36 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> tests.rs:36:55 [INFO] [stdout] | [INFO] [stdout] 36 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> tests.rs:37:49 [INFO] [stdout] | [INFO] [stdout] 37 | let mut slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> tests.rs:37:60 [INFO] [stdout] | [INFO] [stdout] 37 | let mut slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id1` [INFO] [stdout] --> tests.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let id1 = list.add(slot_01); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_id1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> tests.rs:47:49 [INFO] [stdout] | [INFO] [stdout] 47 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> tests.rs:47:55 [INFO] [stdout] | [INFO] [stdout] 47 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> tests.rs:48:49 [INFO] [stdout] | [INFO] [stdout] 48 | let mut slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> tests.rs:48:60 [INFO] [stdout] | [INFO] [stdout] 48 | let mut slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id1` [INFO] [stdout] --> tests.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let id1 = list.add(slot_01); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_id1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> tests.rs:60:49 [INFO] [stdout] | [INFO] [stdout] 60 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> tests.rs:60:55 [INFO] [stdout] | [INFO] [stdout] 60 | let slot_01 = Slot::new(Box::new(||{let mut x = 0;x+= 2;})); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> tests.rs:61:49 [INFO] [stdout] | [INFO] [stdout] 61 | let mut slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> tests.rs:61:60 [INFO] [stdout] | [INFO] [stdout] 61 | let mut slot_02 = Slot::new(Box::new(||{let y = 5; let i = 0;})); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "0a20e4c4d0358dd7bd43394fcd695c19fb3266b4959d2fef644362d74ae1b0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a20e4c4d0358dd7bd43394fcd695c19fb3266b4959d2fef644362d74ae1b0a4", kill_on_drop: false }` [INFO] [stdout] 0a20e4c4d0358dd7bd43394fcd695c19fb3266b4959d2fef644362d74ae1b0a4