[INFO] fetching crate amigo 0.3.1...
[INFO] checking amigo-0.3.1 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate amigo 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate amigo 0.3.1 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amigo 0.3.1
[INFO] finished tweaking crates.io crate amigo 0.3.1
[INFO] tweaked toml for crates.io crate amigo 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66fbff31dcffad1b69b6f75324091ecf7d6f260b6f2cd3bd70a65c8ac30cf058
[INFO] running `Command { std: "docker" "start" "-a" "66fbff31dcffad1b69b6f75324091ecf7d6f260b6f2cd3bd70a65c8ac30cf058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66fbff31dcffad1b69b6f75324091ecf7d6f260b6f2cd3bd70a65c8ac30cf058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66fbff31dcffad1b69b6f75324091ecf7d6f260b6f2cd3bd70a65c8ac30cf058", kill_on_drop: false }`
[INFO] [stdout] 66fbff31dcffad1b69b6f75324091ecf7d6f260b6f2cd3bd70a65c8ac30cf058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd362c993947df739f4d0efebe937bf75bf8978aa001a2e6ee5b1793f0a11915
[INFO] running `Command { std: "docker" "start" "-a" "bd362c993947df739f4d0efebe937bf75bf8978aa001a2e6ee5b1793f0a11915", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking amigo v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `kind`, `val`, `line`, `col`, and `len` are never read
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Token {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 21 |     kind: TokenType,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     val: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     line: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     col: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     len: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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: fields `kind`, `val`, `line`, `col`, and `len` are never read
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Token {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 21 |     kind: TokenType,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     val: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     line: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     col: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     len: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "bd362c993947df739f4d0efebe937bf75bf8978aa001a2e6ee5b1793f0a11915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd362c993947df739f4d0efebe937bf75bf8978aa001a2e6ee5b1793f0a11915", kill_on_drop: false }`
[INFO] [stdout] bd362c993947df739f4d0efebe937bf75bf8978aa001a2e6ee5b1793f0a11915
[INFO] checking amigo-0.3.1 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate amigo 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate amigo 0.3.1 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amigo 0.3.1
[INFO] finished tweaking crates.io crate amigo 0.3.1
[INFO] tweaked toml for crates.io crate amigo 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b3e47cb0eb88f5d877aba936a27762340e20c4cbc0e9e18c82ed9e8f60faed9
[INFO] running `Command { std: "docker" "start" "-a" "5b3e47cb0eb88f5d877aba936a27762340e20c4cbc0e9e18c82ed9e8f60faed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b3e47cb0eb88f5d877aba936a27762340e20c4cbc0e9e18c82ed9e8f60faed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3e47cb0eb88f5d877aba936a27762340e20c4cbc0e9e18c82ed9e8f60faed9", kill_on_drop: false }`
[INFO] [stdout] 5b3e47cb0eb88f5d877aba936a27762340e20c4cbc0e9e18c82ed9e8f60faed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd4f766ec47813abc7d75ce5cfd29b6095026a250f8b9d3287e9a5decabe100a
[INFO] running `Command { std: "docker" "start" "-a" "bd4f766ec47813abc7d75ce5cfd29b6095026a250f8b9d3287e9a5decabe100a", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking amigo v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `kind`, `val`, `line`, `col`, and `len` are never read
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Token {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 21 |     kind: TokenType,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     val: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     line: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     col: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     len: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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: fields `kind`, `val`, `line`, `col`, and `len` are never read
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Token {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 21 |     kind: TokenType,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     val: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     line: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     col: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     len: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "bd4f766ec47813abc7d75ce5cfd29b6095026a250f8b9d3287e9a5decabe100a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4f766ec47813abc7d75ce5cfd29b6095026a250f8b9d3287e9a5decabe100a", kill_on_drop: false }`
[INFO] [stdout] bd4f766ec47813abc7d75ce5cfd29b6095026a250f8b9d3287e9a5decabe100a
