[INFO] fetching crate crankstart 0.1.2...
[INFO] checking crankstart-0.1.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate crankstart 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate crankstart 0.1.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate crankstart 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate crankstart 0.1.2
[INFO] tweaked toml for crates.io crate crankstart 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate crankstart 0.1.2 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cty v0.1.5
[INFO] [stderr]   Downloaded cstr_core v0.1.2
[INFO] [stderr]   Downloaded enum-iterator v0.6.0
[INFO] [stderr]   Downloaded enum-iterator-derive v0.6.0
[INFO] [stderr]   Downloaded randomize v3.0.1
[INFO] [stderr]   Downloaded crankstart-sys v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.88
[INFO] [stderr]   Downloaded heapless v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02f76c2fcc12117b2b0663d02bc0f36e28750444108fa8913307c41814fb8efe
[INFO] running `Command { std: "docker" "start" "-a" "02f76c2fcc12117b2b0663d02bc0f36e28750444108fa8913307c41814fb8efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f76c2fcc12117b2b0663d02bc0f36e28750444108fa8913307c41814fb8efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f76c2fcc12117b2b0663d02bc0f36e28750444108fa8913307c41814fb8efe", kill_on_drop: false }`
[INFO] [stdout] 02f76c2fcc12117b2b0663d02bc0f36e28750444108fa8913307c41814fb8efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b05633c85e3de675e8b7718ae5b360bf840affca0bdb9fa78a0950fb5c493f
[INFO] running `Command { std: "docker" "start" "-a" "a7b05633c85e3de675e8b7718ae5b360bf840affca0bdb9fa78a0950fb5c493f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.88
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking cty v0.1.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking cstr_core v0.1.2
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking randomize v3.0.1
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking crankstart-sys v0.1.2
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]     Checking crankstart v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking enum-iterator v0.6.0
[INFO] [stdout] error: the `#[alloc_error_handler]` in this crate conflicts with allocation error handler in: std
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/lib.rs:285:1
[INFO] [stdout]     |
[INFO] [stdout] 285 | / fn panic(#[allow(unused)] panic_info: &PanicInfo) -> ! {
[INFO] [stdout] 286 | |     use {
[INFO] [stdout] 287 | |         core::fmt::Write,
[INFO] [stdout] 288 | |         heapless::{consts::*, String},
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |     }
[INFO] [stdout] 320 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]     = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/506512391b1a75ae450d36c9420978402a91abcc/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6701759d8343e913.rlib
[INFO] [stdout]     = note: second definition in the local crate (`crankstart`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crankstart` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a7b05633c85e3de675e8b7718ae5b360bf840affca0bdb9fa78a0950fb5c493f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b05633c85e3de675e8b7718ae5b360bf840affca0bdb9fa78a0950fb5c493f", kill_on_drop: false }`
[INFO] [stdout] a7b05633c85e3de675e8b7718ae5b360bf840affca0bdb9fa78a0950fb5c493f
[INFO] checking crankstart-0.1.2 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate crankstart 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate crankstart 0.1.2 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate crankstart 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate crankstart 0.1.2
[INFO] tweaked toml for crates.io crate crankstart 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate crankstart 0.1.2 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 760423b807ead9d8849da40018d34f955959c28e45eeb8e68ef59118a50c3475
[INFO] running `Command { std: "docker" "start" "-a" "760423b807ead9d8849da40018d34f955959c28e45eeb8e68ef59118a50c3475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "760423b807ead9d8849da40018d34f955959c28e45eeb8e68ef59118a50c3475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760423b807ead9d8849da40018d34f955959c28e45eeb8e68ef59118a50c3475", kill_on_drop: false }`
[INFO] [stdout] 760423b807ead9d8849da40018d34f955959c28e45eeb8e68ef59118a50c3475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f899c44cdeb9403e7ec5245672eab4b51f298c7df51d283bd1a6f832124f83a
[INFO] running `Command { std: "docker" "start" "-a" "2f899c44cdeb9403e7ec5245672eab4b51f298c7df51d283bd1a6f832124f83a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "2f899c44cdeb9403e7ec5245672eab4b51f298c7df51d283bd1a6f832124f83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f899c44cdeb9403e7ec5245672eab4b51f298c7df51d283bd1a6f832124f83a", kill_on_drop: false }`
[INFO] [stdout] 2f899c44cdeb9403e7ec5245672eab4b51f298c7df51d283bd1a6f832124f83a