[INFO] fetching crate asciibox 0.1.0...
[INFO] testing asciibox-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate asciibox 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate asciibox 0.1.0
[INFO] finished tweaking crates.io crate asciibox 0.1.0
[INFO] tweaked toml for crates.io crate asciibox 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate asciibox 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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] 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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38b8edbb6b5aaa226de704b0709045dec0cbbafbe690c391ed60d03a0069594e
[INFO] running `Command { std: "docker" "start" "-a" "38b8edbb6b5aaa226de704b0709045dec0cbbafbe690c391ed60d03a0069594e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38b8edbb6b5aaa226de704b0709045dec0cbbafbe690c391ed60d03a0069594e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b8edbb6b5aaa226de704b0709045dec0cbbafbe690c391ed60d03a0069594e", kill_on_drop: false }`
[INFO] [stdout] 38b8edbb6b5aaa226de704b0709045dec0cbbafbe690c391ed60d03a0069594e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f38bc0a133f2712d56beae32ee01f02d7cd5ee32a7bef57b38e7b089fb3e68a
[INFO] running `Command { std: "docker" "start" "-a" "4f38bc0a133f2712d56beae32ee01f02d7cd5ee32a7bef57b38e7b089fb3e68a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling asciibox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/achar.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AsciiChar {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 5 |     index: u16,  // char as u16
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AsciiChar` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "4f38bc0a133f2712d56beae32ee01f02d7cd5ee32a7bef57b38e7b089fb3e68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f38bc0a133f2712d56beae32ee01f02d7cd5ee32a7bef57b38e7b089fb3e68a", kill_on_drop: false }`
[INFO] [stdout] 4f38bc0a133f2712d56beae32ee01f02d7cd5ee32a7bef57b38e7b089fb3e68a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 872913c2226bf4b77ecda1a02d5fb96e36b3576cca1c7cfdfa078869001df3d3
[INFO] running `Command { std: "docker" "start" "-a" "872913c2226bf4b77ecda1a02d5fb96e36b3576cca1c7cfdfa078869001df3d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling asciibox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/achar.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AsciiChar {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 5 |     index: u16,  // char as u16
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AsciiChar` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/achar.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AsciiChar {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 5 |     index: u16,  // char as u16
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AsciiChar` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "872913c2226bf4b77ecda1a02d5fb96e36b3576cca1c7cfdfa078869001df3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872913c2226bf4b77ecda1a02d5fb96e36b3576cca1c7cfdfa078869001df3d3", kill_on_drop: false }`
[INFO] [stdout] 872913c2226bf4b77ecda1a02d5fb96e36b3576cca1c7cfdfa078869001df3d3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da754d3a60aa5f48a90fa6b321282e9a4c1bea3ec2800c7a642dacc568ed207d
[INFO] running `Command { std: "docker" "start" "-a" "da754d3a60aa5f48a90fa6b321282e9a4c1bea3ec2800c7a642dacc568ed207d", kill_on_drop: false }`
[INFO] [stderr] warning: field `index` is never read
[INFO] [stdout] 
[INFO] [stderr]  --> src/achar.rs:5:5
[INFO] [stdout] running 1 test
[INFO] [stderr]   |
[INFO] [stdout] test data::tests::sanity_check ... ok
[INFO] [stderr] 4 | pub struct AsciiChar {
[INFO] [stdout] 
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr] 5 |     index: u16,  // char as u16
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `AsciiChar` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `asciibox` (lib) generated 1 warning
[INFO] [stderr] warning: `asciibox` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/asciibox-efe5c320247cf599)
[INFO] [stderr]    Doc-tests asciibox
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da754d3a60aa5f48a90fa6b321282e9a4c1bea3ec2800c7a642dacc568ed207d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da754d3a60aa5f48a90fa6b321282e9a4c1bea3ec2800c7a642dacc568ed207d", kill_on_drop: false }`
[INFO] [stdout] da754d3a60aa5f48a90fa6b321282e9a4c1bea3ec2800c7a642dacc568ed207d