[INFO] fetching crate serde_bencode 0.2.4...
[INFO] checking serde_bencode-0.2.4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate serde_bencode 0.2.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate serde_bencode 0.2.4 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate serde_bencode 0.2.4
[INFO] finished tweaking crates.io crate serde_bencode 0.2.4
[INFO] tweaked toml for crates.io crate serde_bencode 0.2.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate serde_bencode 0.2.4 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.11.12
[INFO] [stderr]   Downloaded syn v2.0.38
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57020bc2b5e57be3186990da7e6238a8200f82201969696e744a3f6008837810
[INFO] running `Command { std: "docker" "start" "-a" "57020bc2b5e57be3186990da7e6238a8200f82201969696e744a3f6008837810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57020bc2b5e57be3186990da7e6238a8200f82201969696e744a3f6008837810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57020bc2b5e57be3186990da7e6238a8200f82201969696e744a3f6008837810", kill_on_drop: false }`
[INFO] [stdout] 57020bc2b5e57be3186990da7e6238a8200f82201969696e744a3f6008837810
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52f813e0980f1f90f8acfdf228822ed7e8f2316677ee6a7ac07345030da29747
[INFO] running `Command { std: "docker" "start" "-a" "52f813e0980f1f90f8acfdf228822ed7e8f2316677ee6a7ac07345030da29747", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking serde_bencode v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> examples/parse_torrent.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Node(String, i64);
[INFO] [stdout]   |        ---- ^^^^^^  ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Node((), ());
[INFO] [stdout]   |             ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `Command { std: "docker" "inspect" "52f813e0980f1f90f8acfdf228822ed7e8f2316677ee6a7ac07345030da29747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f813e0980f1f90f8acfdf228822ed7e8f2316677ee6a7ac07345030da29747", kill_on_drop: false }`
[INFO] [stdout] 52f813e0980f1f90f8acfdf228822ed7e8f2316677ee6a7ac07345030da29747
[INFO] checking serde_bencode-0.2.4 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2
[INFO] extracting crate serde_bencode 0.2.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate serde_bencode 0.2.4 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate serde_bencode 0.2.4
[INFO] finished tweaking crates.io crate serde_bencode 0.2.4
[INFO] tweaked toml for crates.io crate serde_bencode 0.2.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate serde_bencode 0.2.4 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3572c7a83bb5ecc23fcc315c2c963d8bc4d41e5de13e0e07c53525d83cbd0b9
[INFO] running `Command { std: "docker" "start" "-a" "a3572c7a83bb5ecc23fcc315c2c963d8bc4d41e5de13e0e07c53525d83cbd0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3572c7a83bb5ecc23fcc315c2c963d8bc4d41e5de13e0e07c53525d83cbd0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3572c7a83bb5ecc23fcc315c2c963d8bc4d41e5de13e0e07c53525d83cbd0b9", kill_on_drop: false }`
[INFO] [stdout] a3572c7a83bb5ecc23fcc315c2c963d8bc4d41e5de13e0e07c53525d83cbd0b9
[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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1aa57bc85863b3537e1d384d462783c66e96e233965b9a0532ce8f42a3cf7ca
[INFO] running `Command { std: "docker" "start" "-a" "d1aa57bc85863b3537e1d384d462783c66e96e233965b9a0532ce8f42a3cf7ca", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "d1aa57bc85863b3537e1d384d462783c66e96e233965b9a0532ce8f42a3cf7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1aa57bc85863b3537e1d384d462783c66e96e233965b9a0532ce8f42a3cf7ca", kill_on_drop: false }`
[INFO] [stdout] d1aa57bc85863b3537e1d384d462783c66e96e233965b9a0532ce8f42a3cf7ca