[INFO] fetching crate rs_torrent_magnet 0.3.0...
[INFO] building rs_torrent_magnet-0.3.0 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate rs_torrent_magnet 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rs_torrent_magnet 0.3.0 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs_torrent_magnet 0.3.0
[INFO] finished tweaking crates.io crate rs_torrent_magnet 0.3.0
[INFO] tweaked toml for crates.io crate rs_torrent_magnet 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v1.0.0 (available: v2.0.1)
[INFO] [stderr]       Adding strum v0.26.3 (available: v0.27.1)
[INFO] [stderr]       Adding strum_macros v0.26.4 (available: v0.27.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36a839a4eabfaf03407411db42e5e019e9df349a9f40ec840c84e2cf0be8cc2b
[INFO] running `Command { std: "docker" "start" "-a" "36a839a4eabfaf03407411db42e5e019e9df349a9f40ec840c84e2cf0be8cc2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36a839a4eabfaf03407411db42e5e019e9df349a9f40ec840c84e2cf0be8cc2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a839a4eabfaf03407411db42e5e019e9df349a9f40ec840c84e2cf0be8cc2b", kill_on_drop: false }`
[INFO] [stdout] 36a839a4eabfaf03407411db42e5e019e9df349a9f40ec840c84e2cf0be8cc2b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74cd9108d12ab2d4b2ee3d4c2ce9cfd7e4badb8a0ca91eb1f40780d2f97d9204
[INFO] running `Command { std: "docker" "start" "-a" "74cd9108d12ab2d4b2ee3d4c2ce9cfd7e4badb8a0ca91eb1f40780d2f97d9204", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_with_macros v3.12.0
[INFO] [stderr]    Compiling serde_with v3.12.0
[INFO] [stderr]    Compiling bt_bencode v0.8.2
[INFO] [stderr]    Compiling rs_torrent_magnet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{self, Read}, path::PathBuf};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.50s
[INFO] running `Command { std: "docker" "inspect" "74cd9108d12ab2d4b2ee3d4c2ce9cfd7e4badb8a0ca91eb1f40780d2f97d9204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cd9108d12ab2d4b2ee3d4c2ce9cfd7e4badb8a0ca91eb1f40780d2f97d9204", kill_on_drop: false }`
[INFO] [stdout] 74cd9108d12ab2d4b2ee3d4c2ce9cfd7e4badb8a0ca91eb1f40780d2f97d9204
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02e35b131d4b67ac964e09183cf4be9438efbf8ec010b7500a32081b0bf89d81
[INFO] running `Command { std: "docker" "start" "-a" "02e35b131d4b67ac964e09183cf4be9438efbf8ec010b7500a32081b0bf89d81", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_torrent_magnet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{self, Read}, path::PathBuf};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{self, Read}, path::PathBuf};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "02e35b131d4b67ac964e09183cf4be9438efbf8ec010b7500a32081b0bf89d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e35b131d4b67ac964e09183cf4be9438efbf8ec010b7500a32081b0bf89d81", kill_on_drop: false }`
[INFO] [stdout] 02e35b131d4b67ac964e09183cf4be9438efbf8ec010b7500a32081b0bf89d81