[INFO] fetching crate ascii-canvas 3.0.0...
[INFO] checking ascii-canvas-3.0.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate ascii-canvas 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ascii-canvas 3.0.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ascii-canvas 3.0.0
[INFO] finished tweaking crates.io crate ascii-canvas 3.0.0
[INFO] tweaked toml for crates.io crate ascii-canvas 3.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 634ecf11865210bf41b44332961597e36dce2f61059fa96d4732fdd6dee85cb4
[INFO] running `Command { std: "docker" "start" "-a" "634ecf11865210bf41b44332961597e36dce2f61059fa96d4732fdd6dee85cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "634ecf11865210bf41b44332961597e36dce2f61059fa96d4732fdd6dee85cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634ecf11865210bf41b44332961597e36dce2f61059fa96d4732fdd6dee85cb4", kill_on_drop: false }`
[INFO] [stdout] 634ecf11865210bf41b44332961597e36dce2f61059fa96d4732fdd6dee85cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a217a92ed017f0a2eee26c2f2cb7f2b10586fefedf50a87f7a76b131df1684d1
[INFO] running `Command { std: "docker" "start" "-a" "a217a92ed017f0a2eee26c2f2cb7f2b10586fefedf50a87f7a76b131df1684d1", kill_on_drop: false }`
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking ascii-canvas v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::ExactSizeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `term` is imported redundantly
[INFO] [stdout]  --> src/row.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use term::{self, Terminal};
[INFO] [stdout]   |            ^^^^ the item `term` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `term` is imported redundantly
[INFO] [stdout]  --> src/style.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use term::{self, Terminal};
[INFO] [stdout]   |            ^^^^ the item `term` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::ExactSizeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `term` is imported redundantly
[INFO] [stdout]  --> src/row.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use term::{self, Terminal};
[INFO] [stdout]   |            ^^^^ the item `term` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `term` is imported redundantly
[INFO] [stdout]  --> src/style.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use term::{self, Terminal};
[INFO] [stdout]   |            ^^^^ the item `term` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "a217a92ed017f0a2eee26c2f2cb7f2b10586fefedf50a87f7a76b131df1684d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a217a92ed017f0a2eee26c2f2cb7f2b10586fefedf50a87f7a76b131df1684d1", kill_on_drop: false }`
[INFO] [stdout] a217a92ed017f0a2eee26c2f2cb7f2b10586fefedf50a87f7a76b131df1684d1
[INFO] checking ascii-canvas-3.0.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate ascii-canvas 3.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ascii-canvas 3.0.0 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ascii-canvas 3.0.0
[INFO] finished tweaking crates.io crate ascii-canvas 3.0.0
[INFO] tweaked toml for crates.io crate ascii-canvas 3.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56af980e43a91e9c6b9bca7c47131b96d7b9c3e180a0f603ea7ba67dfb10feea
[INFO] running `Command { std: "docker" "start" "-a" "56af980e43a91e9c6b9bca7c47131b96d7b9c3e180a0f603ea7ba67dfb10feea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56af980e43a91e9c6b9bca7c47131b96d7b9c3e180a0f603ea7ba67dfb10feea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56af980e43a91e9c6b9bca7c47131b96d7b9c3e180a0f603ea7ba67dfb10feea", kill_on_drop: false }`
[INFO] [stdout] 56af980e43a91e9c6b9bca7c47131b96d7b9c3e180a0f603ea7ba67dfb10feea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f80b3e563cc147fa63559e82f45a4832792861593a4ae080f61eae61abc1d23
[INFO] running `Command { std: "docker" "start" "-a" "8f80b3e563cc147fa63559e82f45a4832792861593a4ae080f61eae61abc1d23", kill_on_drop: false }`
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking ascii-canvas v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::ExactSizeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `term` is imported redundantly
[INFO] [stdout]  --> src/row.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use term::{self, Terminal};
[INFO] [stdout]   |            ^^^^ the item `term` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `term` is imported redundantly
[INFO] [stdout]  --> src/style.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use term::{self, Terminal};
[INFO] [stdout]   |            ^^^^ the item `term` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::ExactSizeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `term` is imported redundantly
[INFO] [stdout]  --> src/row.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use term::{self, Terminal};
[INFO] [stdout]   |            ^^^^ the item `term` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `term` is imported redundantly
[INFO] [stdout]  --> src/style.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use term::{self, Terminal};
[INFO] [stdout]   |            ^^^^ the item `term` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "8f80b3e563cc147fa63559e82f45a4832792861593a4ae080f61eae61abc1d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f80b3e563cc147fa63559e82f45a4832792861593a4ae080f61eae61abc1d23", kill_on_drop: false }`
[INFO] [stdout] 8f80b3e563cc147fa63559e82f45a4832792861593a4ae080f61eae61abc1d23
