[INFO] fetching crate atomic-env-rs 0.0.1...
[INFO] testing atomic-env-rs-0.0.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate atomic-env-rs 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate atomic-env-rs 0.0.1
[INFO] finished tweaking crates.io crate atomic-env-rs 0.0.1
[INFO] tweaked toml for crates.io crate atomic-env-rs 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate atomic-env-rs 0.0.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2540af9363fea3e33ef7ba6dc2f80f5b699e96ed1781aafa16feb3c961ed8375
[INFO] running `Command { std: "docker" "start" "-a" "2540af9363fea3e33ef7ba6dc2f80f5b699e96ed1781aafa16feb3c961ed8375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2540af9363fea3e33ef7ba6dc2f80f5b699e96ed1781aafa16feb3c961ed8375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2540af9363fea3e33ef7ba6dc2f80f5b699e96ed1781aafa16feb3c961ed8375", kill_on_drop: false }`
[INFO] [stdout] 2540af9363fea3e33ef7ba6dc2f80f5b699e96ed1781aafa16feb3c961ed8375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8ee89bff9ffe7897bdf5dacde5aa47e86c9fd4ea61507b80661e6654847a365
[INFO] running `Command { std: "docker" "start" "-a" "a8ee89bff9ffe7897bdf5dacde5aa47e86c9fd4ea61507b80661e6654847a365", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling atomic-env-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/lib.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/lib.rs:142:32
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/lib.rs:142:62
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Remove` is never constructed
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum Operation {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 29 |     Remove,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "a8ee89bff9ffe7897bdf5dacde5aa47e86c9fd4ea61507b80661e6654847a365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ee89bff9ffe7897bdf5dacde5aa47e86c9fd4ea61507b80661e6654847a365", kill_on_drop: false }`
[INFO] [stdout] a8ee89bff9ffe7897bdf5dacde5aa47e86c9fd4ea61507b80661e6654847a365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3f041273f1db434d3db20ad9be0017f707a409079ef308dd70f2d1351ea89d6
[INFO] running `Command { std: "docker" "start" "-a" "a3f041273f1db434d3db20ad9be0017f707a409079ef308dd70f2d1351ea89d6", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/lib.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/lib.rs:142:32
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atomic-env-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/lib.rs:142:62
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Remove` is never constructed
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum Operation {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 29 |     Remove,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/lib.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/lib.rs:142:32
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/lib.rs:142:62
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Remove` is never constructed
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum Operation {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 29 |     Remove,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "a3f041273f1db434d3db20ad9be0017f707a409079ef308dd70f2d1351ea89d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f041273f1db434d3db20ad9be0017f707a409079ef308dd70f2d1351ea89d6", kill_on_drop: false }`
[INFO] [stdout] a3f041273f1db434d3db20ad9be0017f707a409079ef308dd70f2d1351ea89d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2add9d62cf603174fd97a47b107df096baf3f831b1c5491f599adad80739ade6
[INFO] running `Command { std: "docker" "start" "-a" "2add9d62cf603174fd97a47b107df096baf3f831b1c5491f599adad80739ade6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/lib.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/lib.rs:142:32
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]    --> src/lib.rs:142:48
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stderr]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `amount`
[INFO] [stderr]    --> src/lib.rs:142:62
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stderr]     |                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Remove` is never constructed
[INFO] [stderr]   --> src/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | enum Operation {
[INFO] [stderr]    |      --------- variant in this enum
[INFO] [stderr] 29 |     Remove,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `atomic-env-rs` (lib) generated 5 warnings
[INFO] [stderr] warning: `atomic-env-rs` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/atomic_env_rs-20671e3845f0b535)
[INFO] [stdout] running 1 test
[INFO] [stdout] test demo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests atomic_env_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2add9d62cf603174fd97a47b107df096baf3f831b1c5491f599adad80739ade6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2add9d62cf603174fd97a47b107df096baf3f831b1c5491f599adad80739ade6", kill_on_drop: false }`
[INFO] [stdout] 2add9d62cf603174fd97a47b107df096baf3f831b1c5491f599adad80739ade6