[INFO] fetching crate tc-transact 0.18.0...
[INFO] checking tc-transact-0.18.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate tc-transact 0.18.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate tc-transact 0.18.0 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-transact 0.18.0
[INFO] finished tweaking crates.io crate tc-transact 0.18.0
[INFO] tweaked toml for crates.io crate tc-transact 0.18.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safecast v0.2.2
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9e05596f65c4ef5d8c87a55a162e10610d72afbe563d3d821bb026368ee76a1
[INFO] running `Command { std: "docker" "start" "-a" "c9e05596f65c4ef5d8c87a55a162e10610d72afbe563d3d821bb026368ee76a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9e05596f65c4ef5d8c87a55a162e10610d72afbe563d3d821bb026368ee76a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e05596f65c4ef5d8c87a55a162e10610d72afbe563d3d821bb026368ee76a1", kill_on_drop: false }`
[INFO] [stdout] c9e05596f65c4ef5d8c87a55a162e10610d72afbe563d3d821bb026368ee76a1
[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=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" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f790e46fb3c3fc3680bf05eb033460831bc6356884ddd538f0b5d60cc32e5ac
[INFO] running `Command { std: "docker" "start" "-a" "5f790e46fb3c3fc3680bf05eb033460831bc6356884ddd538f0b5d60cc32e5ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-channel v0.3.30
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-task v0.3.30
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[INFO] [stderr]    Compiling derive-where v1.2.7
[INFO] [stderr]     Checking num_cpus v1.16.0
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[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]    Compiling collection_literals v1.0.1
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
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[INFO] [stderr]    Compiling thiserror-impl v1.0.58
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[INFO] [stderr]     Checking crypto-common v0.1.6
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[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]    Compiling pest_generator v2.7.8
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]    Compiling pest_derive v2.7.8
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking ds-ext v0.1.7
[INFO] [stderr]     Checking handlebars v4.5.0
[INFO] [stderr]     Checking email-address-parser v2.0.0
[INFO] [stderr]     Checking hr-id v0.5.1
[INFO] [stderr]     Checking tbon v0.5.2
[INFO] [stderr]     Checking number-general v0.11.1
[INFO] [stderr]     Checking txn_lock v0.8.1
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[INFO] [stderr]     Checking freqfs v0.9.1
[INFO] [stderr]     Checking txfs v0.2.1
[INFO] [stderr]     Checking tc-error v0.9.0
[INFO] [stderr]     Checking tcgeneric v0.8.1
[INFO] [stderr]     Checking tc-value v0.10.0
[INFO] [stderr]     Checking tc-transact v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TCResult` is imported redundantly
[INFO] [stdout]   --> src/fs.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tc_error::*;
[INFO] [stdout]    |     ----------- the item `TCResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use super::{TCResult, Transact, Transaction, TxnId};
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/public/generic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TCResult` is imported redundantly
[INFO] [stdout]   --> src/fs.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tc_error::*;
[INFO] [stdout]    |     ----------- the item `TCResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use super::{TCResult, Transact, Transaction, TxnId};
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/public/generic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "5f790e46fb3c3fc3680bf05eb033460831bc6356884ddd538f0b5d60cc32e5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f790e46fb3c3fc3680bf05eb033460831bc6356884ddd538f0b5d60cc32e5ac", kill_on_drop: false }`
[INFO] [stdout] 5f790e46fb3c3fc3680bf05eb033460831bc6356884ddd538f0b5d60cc32e5ac