[INFO] fetching crate rcc4r 0.1.0...
[INFO] checking rcc4r-0.1.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate rcc4r 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rcc4r 0.1.0 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] started tweaking crates.io crate rcc4r 0.1.0
[INFO] finished tweaking crates.io crate rcc4r 0.1.0
[INFO] tweaked toml for crates.io crate rcc4r 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate rcc4r 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3c7d1a5a4be4f145c1ba77155f7f01187747d683fff578815a358418eb609884
[INFO] running `Command { std: "docker" "start" "-a" "3c7d1a5a4be4f145c1ba77155f7f01187747d683fff578815a358418eb609884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c7d1a5a4be4f145c1ba77155f7f01187747d683fff578815a358418eb609884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7d1a5a4be4f145c1ba77155f7f01187747d683fff578815a358418eb609884", kill_on_drop: false }`
[INFO] [stdout] 3c7d1a5a4be4f145c1ba77155f7f01187747d683fff578815a358418eb609884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b2cdfba7303ddcc1d8d44de590b23269826e13555e21e14f70fe6c8f4b3acebf
[INFO] running `Command { std: "docker" "start" "-a" "b2cdfba7303ddcc1d8d44de590b23269826e13555e21e14f70fe6c8f4b3acebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking rcc4r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `ptr_wrapping_offset_from`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(ptr_wrapping_offset_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `ptr_wrapping_offset_from`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(ptr_wrapping_offset_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:137:79
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 printf(b"%d: %.*s\x00" as *const u8 as *const c_char, line, p.wrapping_offset_from(lp) as ssize_t, lp);
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 printf(b"%d: %.*s\x00" as *const u8 as *const c_char, line, p.wrapping_offset(lp) as ssize_t, lp);
[INFO] [stdout]     |                                                                               ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:137:79
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 printf(b"%d: %.*s\x00" as *const u8 as *const c_char, line, p.wrapping_offset_from(lp) as ssize_t, lp);
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 printf(b"%d: %.*s\x00" as *const u8 as *const c_char, line, p.wrapping_offset(lp) as ssize_t, lp);
[INFO] [stdout]     |                                                                               ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:164:41
[INFO] [stdout]     |
[INFO] [stdout] 164 |             tk = (tk << 6 as c_int) + p.wrapping_offset_from(pp) as ssize_t;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 164 |             tk = (tk << 6 as c_int) + p.wrapping_offset(pp) as ssize_t;
[INFO] [stdout]     |                                         ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:164:41
[INFO] [stdout]     |
[INFO] [stdout] 164 |             tk = (tk << 6 as c_int) + p.wrapping_offset_from(pp) as ssize_t;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 164 |             tk = (tk << 6 as c_int) + p.wrapping_offset(pp) as ssize_t;
[INFO] [stdout]     |                                         ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:167:148
[INFO] [stdout]     |
[INFO] [stdout] 167 | ... as *mut c_char as *const c_void, pp as *const c_void, p.wrapping_offset_from(pp) as ssize_t as size_t) == 0 {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 if tk == *id.offset(Hash as ssize_t) && memcmp(*id.offset(Name as ssize_t) as *mut c_char as *const c_void, pp as *const c_void, p.wrapping_offset(pp) as ssize_t as size_t) == 0 {
[INFO] [stdout]     |                                                                                                                                                    ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:167:148
[INFO] [stdout]     |
[INFO] [stdout] 167 | ... as *mut c_char as *const c_void, pp as *const c_void, p.wrapping_offset_from(pp) as ssize_t as size_t) == 0 {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 if tk == *id.offset(Hash as ssize_t) && memcmp(*id.offset(Name as ssize_t) as *mut c_char as *const c_void, pp as *const c_void, p.wrapping_offset(pp) as ssize_t as size_t) == 0 {
[INFO] [stdout]     |                                                                                                                                                    ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rcc4r` (bin "rcc4r" test) due to 5 previous errors
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rcc4r` (bin "rcc4r") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "b2cdfba7303ddcc1d8d44de590b23269826e13555e21e14f70fe6c8f4b3acebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cdfba7303ddcc1d8d44de590b23269826e13555e21e14f70fe6c8f4b3acebf", kill_on_drop: false }`
[INFO] [stdout] b2cdfba7303ddcc1d8d44de590b23269826e13555e21e14f70fe6c8f4b3acebf
[INFO] checking rcc4r-0.1.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate rcc4r 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rcc4r 0.1.0 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] started tweaking crates.io crate rcc4r 0.1.0
[INFO] finished tweaking crates.io crate rcc4r 0.1.0
[INFO] tweaked toml for crates.io crate rcc4r 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate rcc4r 0.1.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3bd872f4cdffb7606143522fd58c2a86093ffab884a2f8af49a6b4f86a12796b
[INFO] running `Command { std: "docker" "start" "-a" "3bd872f4cdffb7606143522fd58c2a86093ffab884a2f8af49a6b4f86a12796b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bd872f4cdffb7606143522fd58c2a86093ffab884a2f8af49a6b4f86a12796b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd872f4cdffb7606143522fd58c2a86093ffab884a2f8af49a6b4f86a12796b", kill_on_drop: false }`
[INFO] [stdout] 3bd872f4cdffb7606143522fd58c2a86093ffab884a2f8af49a6b4f86a12796b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4f6488c94ea19b14befde38f7e0af5ae1491952448d498ffd61c70287f284d42
[INFO] running `Command { std: "docker" "start" "-a" "4f6488c94ea19b14befde38f7e0af5ae1491952448d498ffd61c70287f284d42", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "4f6488c94ea19b14befde38f7e0af5ae1491952448d498ffd61c70287f284d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6488c94ea19b14befde38f7e0af5ae1491952448d498ffd61c70287f284d42", kill_on_drop: false }`
[INFO] [stdout] 4f6488c94ea19b14befde38f7e0af5ae1491952448d498ffd61c70287f284d42